| 单词 | mammalian |
| 例句 | But the sorrow of birds was not as potent as mammalian sorrow. The Girl Who Drank the Moon 2016-08-09T00:00:00Z They observed how timbre is recognized at the mammalian primary auditory cortex to predict human sound source recognition. Music and the Child 2016-06-14T00:00:00Z Big mammalian herbivore species react to danger from predators or humans in different ways. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z That outcome, with all of its momentous advantages for Eurasian societies, stemmed from three basic facts of mammalian geography, history, and biology. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Surrounding the R-complex is the limbic system or mammalian brain, which evolved tens of millions of years ago in ancestors who were mammals but not yet primates. Cosmos 1980-01-01T00:00:00Z In addition, I mentioned factors disqualifying big mammalian candidates for domestication, but I did not tabulate how many candidates are disqualified by each factor on each continent. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The world holds only about 148 species of large wild mammalian terrestrial herbivores or omnivores, the large mammals that could he considered candidates for domestication. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z It creates a massive vapor lock, as it were, in mammalian fuel lines: The body is prevented from turning what it eats into a source of usable energy. Into the Wild 1996-01-01T00:00:00Z It is no longer necessary to guess about the storage of insecticides in the eggs of birds, which obviously lend themselves to this kind of observation more readily than the mammalian ovum. Silent Spring 1962-09-27T00:00:00Z These are all mammalian characteristics, all important for the development of intelligent beings. Cosmos 1980-01-01T00:00:00Z As a result of this fundamental inefficiency, no mammalian carnivore has ever been domesticated for food. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z This wasn’t her innovation but that of a medical profession that decreed that formula milk was the healthy choice, while feeding your newborn from a gland you already owned was crepuscular and mammalian. What a mother should be 2013-05-12T10:00:00Z Sufferers are also advised to prepare their food at home, as fish and poultry are often combined with mammalian meat products such as stock, and to avoid cross-contamination between utensils and cooking surfaces. Tick bites that trigger severe meat allergy on rise around the world 2016-10-06T04:00:00Z Salmon fishing is promised, along with mammalian encounters of the “Northern Exposure” kind. The Week Ahead: Nov. 14-20 2010-11-14T06:30:00Z We encouraged them to keep moving by distracting them with topics in mammalian and plant biology, zoology, philosophy and English. How to travel the world with 2 little kids: Teach them that every step counts 2018-06-01T04:00:00Z He said to get rid of your mammalian instinct to go, “Oh my God, my face is in the water.” James Cameron and the Cast of ‘Avatar: The Way of Water’ Hold Their Breath 2022-10-25T04:00:00Z I think we live in a regimented world where we don't experience a lot of the emotions we need almost at a mammalian level, and you need a release for this thing. A Minute With: Katie Holmes on "Don't Be Afraid of the Dark" 2011-08-24T10:30:36Z We see this with animals; our mammalian ancestors got the chance to evolve only because big dinosaur predators died in a mass extinction event. We often call a virus a bug. Does that mean it’s alive? 2018-11-16T05:00:00Z Any of a dozen crises might have ended civilization, or even mammalian life, on Earth. How will the world end? 2012-06-17T19:00:00Z Sufferers of “tick-induced mammalian meat allergy” will experience a delayed reaction of between two and 10 hours after eating red meat. Tick bites that trigger severe meat allergy on rise around the world 2016-10-06T04:00:00Z Rachel has come across the creature not on a sandy shore but tangled in the filthy fur of Mord, the immense bear who stalks the city like a deranged, mammalian Godzilla. Jeff Vandermeer's new dystopian novel "Borne" is lyrical and harrowing; Elizabeth Hand reviews 2017-04-27T04:00:00Z The video was so foul, so blatantly in violation of basic mammalian taboos, that it forced a kind of psychological schism. Riff: Reaction Videos as Anthropological Study of America 2011-11-27T04:00:09Z In 2005, scientists discovered that they could put opsin genes into mammalian brain cells using an unlikely assistant: a virus. Science-fiction turns real: Genetically engineering animals for war 2013-03-23T19:00:00Z As I walked through each row, mink would approach the front of their cages, their button noses twitching in mammalian curiosity. A Black Legacy, Wrapped Up in Fur 2019-01-31T05:00:00Z The female mammalian hormone oxytocin seems to be a key controller. My bright idea: evolution and empathy 2010-09-18T23:05:00Z And primates, he added, “are probably among the most appalling offshoots that exist of mammalian evolution.” The Gimlet Eye: Microcosms of Life: Absurdities With a Cast of Strangers 2010-04-15T01:20:00Z First of all, it's good to clarify that red meat refers to all mammalian muscle meat. Is red meat bad for you? And does it make a difference if it’s a processed burger or a lean steak? 2023-08-10T04:00:00Z It served as a catalyst for more research and clinical studies of behavioral problems in animals captive and wild, including all avian and mammalian species. Animal Doctor: Mental-health issues and abnormal behavior in pets 2017-03-03T05:00:00Z GC We’ve survived as a mammalian species because we established nests and then tribes. Glenn Close and Patrick Kennedy on the Weight of Mental Illness 2017-03-11T05:00:00Z This sequence has been preserved across a wide spectrum of mammalian species. Animal penises’ amazing evolution 2012-06-12T15:40:00Z The book reads like an extended movie treatment, or mammalian fan fiction inspired by “Jurassic Park.” When Woolly Mammoths Roamed the Earth 2017-12-27T05:00:00Z To each of these racy images Hugnet added, in gouache with a fine-tipped brush, a colorful, comical monster: a goggle-eyed chimera composed of avian, reptilian and mammalian elements. Art Review: Georges Hugnet?s ?Spumifers? at Ubu Gallery - Review 2012-01-05T22:30:33Z With little fanfare, North America’s largest and most crafty mammalian survivor — nearly vanquished, but never domesticated — today quietly marches along the comeback trail. Where the buffalo now roam: Local ranchers help put them on the comeback trail 2014-06-18T04:00:00Z Probing the mechanism more closely, the team uncovered a previously unknown insulin secretion-regulating molecular pathway that operates in multiple mammalian species. Drug screen points toward novel diabetes treatments 2023-11-09T05:00:00Z The allergy -- commonly if inaccurately called the "red meat allergy" -- sensitizes people to a particular sugar, alpha-gal, found in mammalian meat. Allergic responses to common foods could significantly increase risk of heart disease, cardiovascular death 2023-11-09T05:00:00Z "Contrary to common beliefs, it is yellow rather than blue colors that have the strongest effect on the mammalian circadian system." Is blue light actually harmful to your sleep? Why the science isn't so clear on this popular belief 2023-11-08T05:00:00Z The findings could complicate ongoing efforts to save the most endangered mammalian carnivore in Great Britain. The Scottish wildcat has been wiped out by breeding with domestic cats 2023-11-06T05:00:00Z This region of the mammalian brain stores memories and plays an important role in navigation. Rats Use the Power of Imagination to Navigate and Move Objects in a VR Landscape 2023-11-02T04:00:00Z They gave the audio files to experts, who were able to identify 183 bird, 41 amphibian and 3 mammalian species. How AI Can Help Save Endangered Species 2023-10-31T04:00:00Z Previous work from Nayebi and others has shown that self-supervised models of vision generate activity similar to that seen in the visual processing system of mammalian brains. The brain may learn about the world the same way some computational models do 2023-10-30T04:00:00Z "Contrary to common beliefs, it is yellow rather than blue colors that have the strongest effect on the mammalian circadian system," the authors explained. Is blue light actually harmful to your sleep? Why the science isn't so clear on this popular belief 2023-11-08T05:00:00Z Dendritic cells play a key role in the mammalian immune system. Intestinal bacteria metabolite promotes capture of antigens by dendritic cells 2023-10-30T04:00:00Z Phage interactions with bacteria are well known, and interactions between bacteria and their mammalian host can lead to a range of symbioses. Mammalian cells may consume bacteria-killing viruses to promote cellular health 2023-10-26T04:00:00Z Over 50 Rab proteins are known in mammalian cells including human and mouse, and they are thought to be specifically involved in the traffic between each specific organelle, thereby reliable logistics between them are guaranteed. Bone density is kept up by the same process with hair color 2023-10-26T04:00:00Z In both of the new NeurIPS studies, the researchers set out to explore whether self-supervised computational models of other cognitive functions might also show similarities to the mammalian brain. The brain may learn about the world the same way some computational models do 2023-10-30T04:00:00Z This enhancement enables the meticulous labeling and tracking of the dynamics of rare progenitor cells in mammalian organs. New method tracks how brain cells age 2023-10-26T04:00:00Z Sadier, Santana and their colleagues believe their project, which is ongoing, can start to answer these questions in bats -- along with many other outstanding questions about how evolution shapes mammalian features. Fruit, nectar, bugs and blood: How bat teeth and jaws evolved for a diverse dinnertime 2023-10-26T04:00:00Z However, the impact of bacteriophages on mammalian cellular and immunological processes is not well understood. Mammalian cells may consume bacteria-killing viruses to promote cellular health 2023-10-26T04:00:00Z Instead the research suggests that menopause may simply be a feature of mammalian reproductive systems that emerges if such an animal lives long enough. Wild Chimps Shown to Undergo Menopause for the First Time 2023-10-26T04:00:00Z The mammalian aspect of this study is so uncertain that it is essentially unknowable. Will the Next Supercontinent Really Drive Mammals to Extinction? 2023-10-17T04:00:00Z New cells are continuously produced in the adult mammalian brain, a critical process associated with memory, learning, and stress. New method tracks how brain cells age 2023-10-26T04:00:00Z According to the research team behind this study, comparing noctilionoid species can reveal a lot about how mammalian faces evolved and developed, particularly jaws and teeth. Fruit, nectar, bugs and blood: How bat teeth and jaws evolved for a diverse dinnertime 2023-10-26T04:00:00Z Barr adds, "This work provides new insights into the additional benefits that bacteriophages may have on their mammalian hosts. This is of particular importance given the increased use of phage therapy to treat antibiotic-resistant infections." Mammalian cells may consume bacteria-killing viruses to promote cellular health 2023-10-26T04:00:00Z The company Novavax produces the protein in moth cells, which grow more quickly than mammalian cells. Is the Novavax COVID Vaccine Better than mRNA Vaccines? What We Know So Far 2023-10-16T04:00:00Z The initiative aims to revolutionize understanding of the mammalian brain, in part, through the development of novel neurotechnologies for characterizing neural cell types. Human Brain Cell Atlas offers unprecedented look at neuropsychiatric disorders 2023-10-12T04:00:00Z But the authors of a new study of thousands of mammalian species paint a different picture, arguing that same-sex sexual behavior evolved when mammals started living in social groups. Same-Sex Behavior Evolved in Many Mammals to Reduce Conflict, Study Suggests 2023-10-03T04:00:00Z Many studies about mammalian tooth development were done in mice, which have only molars and heavily modified incisors. Fruit, nectar, bugs and blood: How bat teeth and jaws evolved for a diverse dinnertime 2023-10-26T04:00:00Z According to the authors, "This preliminary study provides novel insights into the impact phages have on mammalian systems, with broader potential implications across the fields of immunology, phage therapy, microbiome, and human health." Mammalian cells may consume bacteria-killing viruses to promote cellular health 2023-10-26T04:00:00Z Even the remarkably familiar can sometimes yield new discoveries: researchers at ETH Zurich recently identified a previously unknown compartment in mammalian cells. A hygiene program for chromosomes 2023-10-02T04:00:00Z While there, he studied a key node of the mammalian immune system — dendritic cells — and their perturbation in HIV/AIDS. Scientists whose work on mRNA paved the way for first COVID-19 vaccines win Nobel Prize 2023-10-02T04:00:00Z However, there are documented cases of H5N1 spreading in mammalian populations, ranging from minks to sea lions and dolphins, raising concern about human-to-human spread. To prepare for next pandemic, researchers tackle bird flu 2023-09-29T04:00:00Z Davies, who has previously studied the formation of Pangaea Ultima, says that it is possible that some mammalian life might survive the environmental changes. Pangaea Ultima, the Next Supercontinent, May Doom Mammals to Far-Future Extinction 2023-09-27T04:00:00Z The analysis predicts which types of bacteria control the expression of mammalian genes connected to specific medical conditions. Compound derived from hops reduces abundance of gut microbe associated with metabolic syndrome 2023-09-21T04:00:00Z "Neuronal networks, like those in the mammalian cortex, need to be able to segregate inputs from specialised circuits, and to integrate inputs from multiple circuits," says Yamamoto. Why are the brain's nerve cells organized into modules? 2023-09-20T04:00:00Z The cries of mammalian infants, for example, can be incredibly similar, to the point that white-tailed deer will respond to whimpers whether they're made by marmots, humans or seals. Artificial Intelligence Could Finally Let Us Talk with Animals 2023-09-22T04:00:00Z You can use chicken or fish as a protein source but not pork or venison or beef—all of those mammalian meats have the alpha-gal sugar. Red Meat Allergy Caused by Tick Bite Is Spreading—And Nearly Half of Doctors Don’t Know about It 2023-08-07T04:00:00Z That would edge out elephant pregnancies — the longest known within the mammalian kingdom — by a month. A 23-Month Pregnancy? Scientists See Hints in Bowhead Whales. 2023-07-25T04:00:00Z Dr. Flannery and his co-authors, he argues, focus too closely on molar or tooth fossils at the expense of other parts of the mammalian anatomy. Fossils Where They Don’t Belong? Maybe We Just Didn’t Look Hard Enough. 2023-07-16T04:00:00Z The discovery not only helps scientists understand the interplay between structure and function of the mammalian brain but can also help improve the development of artificial neural networks for use in machine learning research. Why are the brain's nerve cells organized into modules? 2023-09-20T04:00:00Z The mammalian brain developed the so-called neocortex, in which neurons are organized in a relatively thin layer formed by compact columns. How Smart Were Dinosaurs? New Studies Fuel the Debate 2023-07-06T04:00:00Z Some patients have reported success in adding back mammalian products over a few years. Red Meat Allergy Caused by Tick Bite Is Spreading—And Nearly Half of Doctors Don’t Know about It 2023-08-07T04:00:00Z Forest Service Qualified Product List, meaning “the product has gone through stringent testing protocols administered by the Forest Service and that it meets all performance, mammalian and fish toxicity and environment safety requirements.” As California fire season begins, debate over wildfire retardant heats up 2023-07-03T04:00:00Z They also failed to consider fossils from all branches of the mammalian evolutionary tree. Fossils Where They Don’t Belong? Maybe We Just Didn’t Look Hard Enough. 2023-07-16T04:00:00Z That’s anywhere from five to 300 times the number of species targeted by other predators with a wide geographical range, such as sharks, birds of prey and mammalian carnivores. Humans Are Predators of at Least One Third of All Vertebrate Species 2023-06-29T04:00:00Z To use a simple metaphor, we can think of the mammalian brain as a modular supercomputer in which it is easy to increase computational power by adding new elements. How Smart Were Dinosaurs? New Studies Fuel the Debate 2023-07-06T04:00:00Z So if you want to be one of those people who, over time, improves and can tolerate some mammalian products, you really need to avoid any subsequent tick bites after you have it. Red Meat Allergy Caused by Tick Bite Is Spreading—And Nearly Half of Doctors Don’t Know about It 2023-08-07T04:00:00Z Besides, who is Homo sapiens, that most invasive of mammalian predators and systematic destroyer of habitat, to declare total war on creatures it brought with it? New Zealand seeks to exterminate predators to save native birds 2023-06-26T04:00:00Z In that paper, they argued that monotremes belong to a separate branch of the mammalian evolutionary tree. Fossils Where They Don’t Belong? Maybe We Just Didn’t Look Hard Enough. 2023-07-16T04:00:00Z Based on comparisons with animals living and extinct, Dr. Wang’s team placed the creature early in the evolution of mammalian carnivores, a group that includes the dog family and catlike and bearlike animals. A Bear That Looked Like a Raccoon and Had a Dangerous Appetite 2023-06-18T04:00:00Z Functions that are performed by a single column of the mammalian cortex require the communication of separate brain nuclei. How Smart Were Dinosaurs? New Studies Fuel the Debate 2023-07-06T04:00:00Z There’s not a comprehensive list of what potentially might have mammalian products. Red Meat Allergy Caused by Tick Bite Is Spreading—And Nearly Half of Doctors Don’t Know about It 2023-08-07T04:00:00Z Although humans don’t naturally hibernate, the ability is found in species from nearly every mammalian lineage, from Madagascar’s fat-tailed dwarf lemur to the arctic ground squirrel. Ultrasound brain pulses put mice in a hibernation-like state 2023-05-24T04:00:00Z Neither side expects this paper to be the final word in the process of trying to reconstruct the mammalian past. Fossils Where They Don’t Belong? Maybe We Just Didn’t Look Hard Enough. 2023-07-16T04:00:00Z The mammalian tongue has evolved into an intricate network of muscle fibers capable of moving in complex ways even without any bones, tendons, or joints. How the tongue shaped life on Earth 2023-05-24T04:00:00Z “It is likely there would be no humans except for the dinosaur extinction.... Nothing about the mammalian brain makes humans inevitable.” How Smart Were Dinosaurs? New Studies Fuel the Debate 2023-07-06T04:00:00Z These reactions take place when people are exposed to mammalian meat or other products derived from meat; this includes dairy products for many patients. Red Meat Allergy Caused by Tick Bite Is Spreading—And Nearly Half of Doctors Don’t Know about It 2023-08-07T04:00:00Z T. brucei develops in the gut of the tsetse fly after the fly bites an infected human or other mammalian host. Fundamentals of Biology 2015-01-01T00:00:00Z First it was the Mongol armies, traveling over enormous distances and unintentionally bringing small mammalian stowaways among their foodstuffs. World History: to 1500 2023-04-19T00:00:00Z Notice that this system is the opposite of the mammalian system because in birds the female is the sex with the different sex chromosomes. Concepts of Biology 2013-04-25T00:00:00Z But these widely disparate animals are among at least 240 mammalian species—including humans—that share a full 10 percent of their genome. What Makes a Mammal? 423,000 Newly Identified DNA Regions Guide Our Genes 2023-04-27T04:00:00Z The project revealed the genetics of uncommon mammalian traits like hibernation and showed how the sense of smell varies widely. Ambitious genome project shows how humans fit with other mammals 2023-04-27T04:00:00Z The initial split was into synapsids and sauropsids. Synapsids include all mammals, including extinct mammalian species. Fundamentals of Biology 2015-01-01T00:00:00Z Scientists have extracted DNA from a piece of Balto's underbelly skin from the well-preserved museum mount and sequenced the dog's genome as part of an ambitious comparative mammalian genomic research project called Zoonomia. A good dog with great genes - 1920s Alaska sled-relay hero Balto 2023-04-27T04:00:00Z The kidneys are the main osmoregulatory organs in mammalian systems; they function to filter blood and maintain the dissolved ion concentrations of body fluids. Concepts of Biology 2013-04-25T00:00:00Z The newly analyzed regions were highlighted in papers published today in Science detailing the first effort to directly compare 240 mammalian genome sequences. What Makes a Mammal? 423,000 Newly Identified DNA Regions Guide Our Genes 2023-04-27T04:00:00Z The findings, detailed in 11 studies published in the journal Science, involved placentals, by far the world's most common mammalian assemblage, known for giving birth to well-developed babies, and not egg-laying monotremes or pouched marsupials. Ambitious genome project shows how humans fit with other mammals 2023-04-27T04:00:00Z The mammalian integument includes various secretory glands, including sebaceous glands, eccrine glands, apocrine glands, and mammary glands. Fundamentals of Biology 2015-01-01T00:00:00Z They collaborated with wildlife biologists to get tissue from species spread out across the mammalian evolutionary tree. What Cheetahs, Armadillos and Whales Revealed About Human DNA 2023-04-27T04:00:00Z The mammalian circulatory system is a closed system with double circulation passing through the lungs and the body. Concepts of Biology 2013-04-25T00:00:00Z Until now, most studies that looked at mammalian genomes used the human genome as a reference to figure out how an animal species’ genome fits together and how it evolved. What Makes a Mammal? 423,000 Newly Identified DNA Regions Guide Our Genes 2023-04-27T04:00:00Z The project examined most existing mammalian lineages, though only 4% of species. Ambitious genome project shows how humans fit with other mammals 2023-04-27T04:00:00Z In doing so, they were able to identify stretches of DNA that have barely changed over eons of mammalian evolution and are thus likely to be vital to human health and functioning. What Can You Do With a Menagerie of Mammal Genomes? 2023-04-27T04:00:00Z The mammalian genomes also allowed the Zoonomia team to pinpoint pieces of human DNA with radical mutations that set them apart from other mammals. What Cheetahs, Armadillos and Whales Revealed About Human DNA 2023-04-27T04:00:00Z Unlike mammalian lungs in which air flows in two directions as it is breathed in and out, air flows continuously through the bird’s lung to provide a more efficient system of gas exchange. Concepts of Biology 2013-04-25T00:00:00Z Having 240 genomes to compare allowed the researchers to see where regions of the DNA code were identical across mammalian species. What Makes a Mammal? 423,000 Newly Identified DNA Regions Guide Our Genes 2023-04-27T04:00:00Z The mammalian navigation system, Dr. Segev said, amounts to cells that let an animal determine “I’m here, I’m here, I’m here.” Why Researchers Turned This Goldfish Into a Cyborg 2023-04-25T04:00:00Z The researchers also explored the mammalian sense of smell. What Can You Do With a Menagerie of Mammal Genomes? 2023-04-27T04:00:00Z Dr. Reilly and his researchers ran experiments to see how the human version of LOXL2 behaved in neurons compared with the standard mammalian version. What Cheetahs, Armadillos and Whales Revealed About Human DNA 2023-04-27T04:00:00Z For example, mature mammalian red blood cells are only capable of glycolysis, which is their sole source of ATP. Concepts of Biology 2013-04-25T00:00:00Z These conserved regions are likely very important to mammalian survival because mammals kept them around throughout their evolution. What Makes a Mammal? 423,000 Newly Identified DNA Regions Guide Our Genes 2023-04-27T04:00:00Z To do its job, the enzyme must co-opt a host intracellular protein, and it is currently more tailored to the avian molecule than its mammalian equivalent. From bad to worse: How avian flu must change to trigger a human pandemic 2023-04-06T04:00:00Z Did the mammalian family tree branch out only after the extinction of the dinosaurs, some 66 million years ago? What Can You Do With a Menagerie of Mammal Genomes? 2023-04-27T04:00:00Z The Zoonomia Project team has plans to add more mammalian genomes to their comparative database. What Cheetahs, Armadillos and Whales Revealed About Human DNA 2023-04-27T04:00:00Z Early in development, when female mammalian embryos consist of just a few thousand cells, one X chromosome in each cell inactivates by condensing into a structure called a Barr body. Concepts of Biology 2013-04-25T00:00:00Z But when the Zoonomia team searched for similarities, it found that 10.7 percent of the human genome appeared similar to our mammalian compatriots. What Makes a Mammal? 423,000 Newly Identified DNA Regions Guide Our Genes 2023-04-27T04:00:00Z Those carbohydrates are shaped differently in birds and mammals, so H5N1’s hemagglutinin has to change its shape for the virus to efficiently infect mammalian cells. From bad to worse: How avian flu must change to trigger a human pandemic 2023-04-06T04:00:00Z Close up, they have a big-eyed mammalian mien, a rusty collar of chestnut fur and large, inquisitive ears. As Temperatures Rise, Melbourne’s Bats Get Their Own Sprinkler System 2023-04-04T04:00:00Z Paleontologically, mammalian species usually persist for about a million years, says Henry Gee, a paleontologist and senior editor at the journal Nature, who is working on a book on the extinction of humans. Will Humans Ever Go Extinct? 2023-03-21T04:00:00Z A functioning immune system is essential for survival, but even the sophisticated cellular and molecular defenses of the mammalian immune response can be defeated by pathogens at virtually every step. Concepts of Biology 2013-04-25T00:00:00Z But a bird flu outbreak on a Spanish mink farm last fall suggested that the virus could spread efficiently among some mammalian species. Scientists Investigate a Bird Flu Outbreak in Seals 2023-03-15T04:00:00Z Indeed, this is the first study confirming transmission of ingested nanoplastics to fetal tissues in a mammalian species. Plastic particles could cross over from mother to unborn fetus, experts say 2023-03-08T05:00:00Z And some versions of H5N1 have been gaining genetic advantages that make it more adept at spreading among mammalian organisms. H5N1 is infecting millions of animals. If it crosses over to humans, it will be far worse than COVID 2023-03-07T05:00:00Z “Researchers still need to be able to see everything that happens in a complex mammalian organism before being allowed to move to the human clinical trials,” he said. Could the Next Blockbuster Drug Be Lab-Rat Free? 2023-03-07T05:00:00Z Some of the brain waves resembled the size and shape of mammalian brain activity, but other pulses from the neurons of octopuses were completely bizarre. The first observations of octopus brain waves revealed how alien their minds truly are 2023-02-28T05:00:00Z On land, much of the wild mammalian biomass is concentrated in a few large-bodied species, including boar, elephants, kangaroos, and several kinds of deer. Who rules Earth? Wild mammals far outweighed by humans and domestic animals 2023-02-27T05:00:00Z Most of the mammalian cases so far have had only one of these mutations - in a gene called PB2 - which was present in the mink. Analysis: Why public health officials are not panicked about bird flu 2023-02-23T05:00:00Z In fact, as I showed in a recently published study, breast cancer is a threat across nearly all mammalian lineages, with cases found in creatures ranging from kangaroos and koalas to wombats and water buffalos. Here’s What Scientists Are Learning about Women’s Health from Other Female Animals 2023-02-19T05:00:00Z Unless, of course, the virus evolved to bind to mammalian cells in the upper respiratory tract. As climate change disrupts ecosystems, a new outbreak of bird flu spreads to mammals 2023-02-16T05:00:00Z Some of the brain waves resembled the size and shape of mammalian brain activity, but other pulses from the neurons of octopuses were completely bizarre. The first observations of octopus brain waves revealed how alien their minds truly are 2023-02-28T05:00:00Z But in sheer numbers, bats rule the mammalian world: They constitute two-thirds of individual wild mammals, though only 7% of the total terrestrial mass. Who rules Earth? Wild mammals far outweighed by humans and domestic animals 2023-02-27T05:00:00Z It's not very efficient at attacking our mammalian cells, so therefore it fizzles out before it gets too far. Why everyone is suddenly freaking out about bird flu 2023-02-12T05:00:00Z One of these mutations, in particular, has been previously shown to help influenza replicate better in mammalian cells. Bird Flu Outbreak Puts Mink Farms Back in the Spotlight 2023-02-08T05:00:00Z To determine if a link between sociability and longevity existed on a broader scale, Zhou and his team combed the scientific literature for the maximum life spans of 974 different mammalian species. Mammals That Live Together Live Longer 2023-01-31T05:00:00Z Surprisingly, Spot struggled to win any of the basic command challenges when compared with its mammalian counterparts. Spot vs. shelter dogs: Who will win the title of Goodest Boy? 2023-01-28T05:00:00Z But now, H5N1 appears to have spread through a densely packed mammalian population and gained at least one mutation that favors mammal-to-mammal spread. ‘Incredibly concerning’: Bird flu outbreak at Spanish mink farm triggers pandemic fears 2023-01-24T05:00:00Z Unfortunately, we're seeing a lot more cases of mammalian infection across the globe. Why everyone is suddenly freaking out about bird flu 2023-02-12T05:00:00Z "The problem comes with some pathogens that require mammalian cells to replicate, but are considered alive." Are viruses alive? Why a seemingly simple biology question is so hard to answer 2022-12-26T05:00:00Z They sorted this menagerie into groups based on three mammalian modes of life: mammals that lived alone, in pairs or in larger groups. Mammals That Live Together Live Longer 2023-01-31T05:00:00Z Scant fossil evidence had made the animal hard to classify, but new analysis suggests that its teeth are mammalian rather than reptilian. Science News Briefs from around the World: December 2022 2022-12-18T05:00:00Z Because the receptors the virus binds to in the upper airways of birds are less common in mammalian upper airways, H5N1 largely spares mammals. ‘Incredibly concerning’: Bird flu outbreak at Spanish mink farm triggers pandemic fears 2023-01-24T05:00:00Z Newly hatched larvae depend on this fluid to grow and survive, akin to how mammalian newborns depend on milk. Ants Can Produce Milk for Their Young (and Old) 2022-12-02T05:00:00Z Rather, in human and mammalian bodies that were used in forensic anthropological research. ‘Dino Mummy’ Reveals There May Be More Skin in the Fossil Game 2022-10-12T04:00:00Z Moving from examining full body length growth to a focus on axon growth in a rapidly extending neck could bring a new mammalian player into the competition. Giraffes vs. Blue Whales vs. Dinosaurs: Contest Reveals Which One Builds Its Nervous System Fastest to Evade Predators 2022-09-29T04:00:00Z But the spread of the virus to new species poses potential risks to wildlife and provides the virus with new chances to mutate and adapt to mammalian hosts. Bird Flu Found in Dolphin in Florida and Porpoise in Sweden 2022-09-07T04:00:00Z But this time around many mammalian species have become infected, including foxes, cats, ferrets, seals, and dolphins, presumably through contact with infected birds. ‘Incredibly concerning’: Bird flu outbreak at Spanish mink farm triggers pandemic fears 2023-01-24T05:00:00Z Eighty percent of the bacteria she grew were so different from those typically encountered by mammals that they didn't trigger an immune response from mammalian cells. Hope for New Drugs Arises from the Sea 2022-08-27T04:00:00Z Human and mammalian remains can in some situations remain preserved in a wet environment for months. ‘Dino Mummy’ Reveals There May Be More Skin in the Fossil Game 2022-10-12T04:00:00Z The recipe for mammalian life is simple: take an egg, add sperm and wait. Mouse Embryos Grown without Eggs or Sperm 2022-08-26T04:00:00Z When introns are very long, which is common among mammalian genes with roles in development, they can significantly extend the time required to complete transcription. Biology for AP Courses 2022-06-09T00:00:00Z The change, also seen in viral samples from other infected mammals, is known to help H5N1 better replicate in mammalian tissues. ‘Incredibly concerning’: Bird flu outbreak at Spanish mink farm triggers pandemic fears 2023-01-24T05:00:00Z Likewise, the American Museum of Natural History plays a significant role in documenting mammalian life and has a vital, if at times controversial, role in American scientific history. Writing Guide 2021-12-21T00:00:00Z The paper left out a key detail that might help clarify the pandemic’s origin: It did not say whether the researchers collected ticks—which suck mammalian blood—or took biological samples directly from the animals. Where did pandemic start? Anywhere but here, argue papers by Chinese scientists echoing party line 2022-08-18T04:00:00Z In every mammalian species, females produce milk to feed their young. Early Europeans Could Not Tolerate Milk but Drank It Anyway, Study Finds 2022-07-27T04:00:00Z There is fossil evidence of mammalian forms going back about 4.0 billion years. Biology for AP Courses 2022-06-09T00:00:00Z Most of the mammalian species infected with the virus so far are wild predators and scavengers feeding on infected birds—“solitary animals, or animals that live in small families,” he says. ‘Incredibly concerning’: Bird flu outbreak at Spanish mink farm triggers pandemic fears 2023-01-24T05:00:00Z Monkeypox, unlike smallpox, can also infect animals, providing new mammalian reservoirs for the infection, which also becomes a possibility as this current outbreak continues to grow. Opinion | The Biden administration’s monkeypox response has been a mess 2022-07-21T04:00:00Z Looking deep within mammalian spit-producing glands, scientists were recently surprised to find an ancient cell type long thought to exist primarily in the slimy skin of frogs and fish. ‘Frog Skin’ Cell Type Found in Mammal Mouths 2022-07-22T04:00:00Z Scientists have answered a longstanding question about mammalian evolution, examining ear anatomy of living and extinct mammals and their close relatives to determine when warm-bloodedness - a trait integral to the lineage's success - first emerged. U.S. open to discussing Colombia trade deal with next president -official 2022-07-21T04:00:00Z These lungs are primitive and not as evolved as mammalian lungs. Biology for AP Courses 2022-06-09T00:00:00Z Despite such prior research, however, the new evidence indicates that warm-bloodedness became a major feature of mammalian history millions of years later. New Evidence Emerges in Mystery of When Mammals Became Warm-Blooded 2022-07-20T04:00:00Z He forces his eyes to “scan another sentence left to right, releasing a small mammalian whimper as he does so — every additional word he reads extracts something vital from him.” Review: Millennial angst, vacuum-packed, in debut stories after Sally Rooney's dark heart 2022-07-20T04:00:00Z Plus, ionocytes are physically small—about a quarter of the size of most mammalian cells—and few in number. ‘Frog Skin’ Cell Type Found in Mammal Mouths 2022-07-22T04:00:00Z The report attracted attention because the small dinosaur sported filaments apparently resembling mammalian fur, as well as flamboyant spikes erupting from its shoulders. Maned dinosaur fossil will head back to Brazil after controversy over import to Germany 2022-07-19T04:00:00Z The mammalian adaptive immune system is adept in responding appropriately to each antigen. Biology for AP Courses 2022-06-09T00:00:00Z Figure 13.4 Human Neuraxis The mammalian nervous system is arranged with the neural tube running along an anterior to posterior axis, from nose to tail for a four-legged animal like a dog. Anatomy and Physiology 2013-06-19T00:00:00Z “But this is not unexpected to have bird flu move into mammalian species on occasion.” Bird Flu May Have Caused Seal Strandings 2022-07-06T04:00:00Z Still, he speculates that they might lurk in other mammalian tissues, such as intestinal lining. ‘Frog Skin’ Cell Type Found in Mammal Mouths 2022-07-22T04:00:00Z Understanding the true extent of mammalian diversity during and after that time will help scientists better predict how mammals today might respond to a changing climate. They Uncover New Fossils, but They Also Bite 2022-07-01T04:00:00Z Figure 34.22 The rearrangement of the cells in the mammalian blastula to two layers—the inner cell mass and the trophoblast—results in the formation of the blastocyst. Biology for AP Courses 2022-06-09T00:00:00Z There are some 2,000 species of rodents worldwide, composing 40 percent of all mammalian species. Scientists Zero In on Origins of the Monkeypox Outbreak 2022-06-23T04:00:00Z “What it’s going to take for this virus to transition from being a duck or a chicken virus to being a mammalian virus is more chances to replicate in those mammalian hosts,” Dr. Webby said. Not Just for the Birds: Avian Influenza Is Also Felling Wild Mammals 2022-06-18T04:00:00Z “The investigations in China should be better focused to include relevant mammalian target species,” the report notes. From ‘open minded’ to ‘underwhelming,’ mixed reactions greet latest COVID-19 origin report 2022-06-09T04:00:00Z But poxviruses don’t seem to require specific host receptors, enabling many to infect a wide range of mammalian cells. Concern grows that human monkeypox outbreak will establish virus in animals outside Africa 2022-06-07T04:00:00Z What behaviors and dynamic homeostatic processes might be associated with the properties of red blood cells in mammalian and nonmammalian organisms? Biology for AP Courses 2022-06-09T00:00:00Z He could tell it was a mammalian braincase, but the top was flattened like an iron press. Giraffes May Be Long-Necked for Fights, Not Just Food 2022-06-02T04:00:00Z And even isolated mammalian infections provide the virus with new opportunities to evolve. Not Just for the Birds: Avian Influenza Is Also Felling Wild Mammals 2022-06-18T04:00:00Z Its native birds, lizards and bats evolved in the absence of mammalian predators, which arrived only in recent centuries. New Zealand’s Biodiversity Crisis Prompts Extreme Measures 2022-06-05T04:00:00Z A: We’ve done a number of large-scale comparative studies, where we’ve recorded the yawn durations from over 100 mammalian and avian species. Why yawns are contagious—in all kinds of animals 2022-05-24T04:00:00Z In the production of mammalian red blood cells, erythrocytes that have not yet matured and are still synthesizing heme proteins are surrounded by a macrophage. Biology for AP Courses 2022-06-09T00:00:00Z Eliminating mammalian meat and other products typically allows the symptoms to clear. This Tick Can Make You Allergic to Meat and It’s Spreading 2022-05-23T04:00:00Z These defensive characteristics subsided immediately after the extinction event, however, and only returned when mammalian megaherbivores like mammoths appeared on the scene. When dinosaurs died, Earth's plants were left with big shoes to fill 2022-05-03T04:00:00Z To understand the odds of a successful new infection, the researchers began by building a database of viruses and their mammalian hosts. Climate Change Will Accelerate Viral Spillovers, Study Finds 2022-04-28T04:00:00Z Their models explored four scenarios for climate change, called Representative Concentration Pathways, which range from 2°C to 4°C increases and forecast how each would alter mammalian habitats and mingling. Animal melting pot created by climate change could lead to new disease outbreaks 2022-04-28T04:00:00Z Mature mammalian red blood cells are not capable of aerobic respiration—the process in which organisms convert energy in the presence of oxygen—and glycolysis is their sole source of ATP. Biology for AP Courses 2022-06-09T00:00:00Z The pterosaur’s melanosomes had diverse shapes—ovoid, spherical, and elongated—something until now only seen in mammalian fur and dinosaur and bird feathers. Pterosaurs may have flaunted colorful plumage long before the reign of dinosaurs 2022-04-20T04:00:00Z Preivously, scientists knew very little about the paleobotany of the period between the last group of megaherbivores and their mammalian successors in the Late Eocene. When dinosaurs died, Earth's plants were left with big shoes to fill 2022-05-03T04:00:00Z We are looking at the impending end of our species, and perhaps the entire mammalian and avian population of our Earth. The climate change story that generated way more reader mail than Will Smith's Oscars slap 2022-04-15T04:00:00Z For a concrete example, the team did a case study of Zaire ebolavirus, which they predict has 13 possible mammalian hosts based on known susceptibility factors. Animal melting pot created by climate change could lead to new disease outbreaks 2022-04-28T04:00:00Z Figure 24.8 Simple cuboidal epithelial cells line tubules in the mammalian kidney, where they are involved in filtering the blood. Biology for AP Courses 2022-06-09T00:00:00Z Their siren-like cry — a harsh rising note that chills the vestigial part of the mammalian brain that remembers living in burrows — echoed off the stone buildings. The avian soap opera unfolding atop this Berkeley bell tower has humans riveted 2022-04-05T04:00:00Z “It was the first mammalian hormone produced in bacteria, and it jump-started the biotechnology industry.” Arthur Riggs, who helped develop diabetes treatment, dies at 82 2022-03-30T04:00:00Z But mammalian fossil skulls from the time right after the asteroid impact were very rare, so scientists have had a hard time testing this hypothesis. Early mammals got big before they got smart 2022-03-30T04:00:00Z The modelers calculate there are some 21 million possible pairings of mammalian species, and only 7% of those duos currently share a geographic range, which means there’s a tremendous opportunity for new encounters. Animal melting pot created by climate change could lead to new disease outbreaks 2022-04-28T04:00:00Z These fatty acids are stored in adipose cells—the fat cells in the mammalian body whose primary role is to store fat for later use. Biology for AP Courses 2022-06-09T00:00:00Z “That’s why so many people thought that these were purely mammalian innovations,” said Michael Granatosky, an evolutionary biologist at the New York Institute of Technology and one of the study’s authors. Like Cheetahs, Ancient Ocean Creatures May Have Moved With a Gallop 2022-03-08T05:00:00Z And of the world’s nearly 6,000 mammalian species, scientists have sequenced the ACE2 receptors of just a few hundred of them, creating a biased data set. The Coronavirus Menagerie 2022-02-22T05:00:00Z As young Black girls, both leaders learned the importance of mammalian and aquatic life in their nearby ecologies. Seattle’s Sea Potential inspires young women of color with a mission to protect environment 2022-02-18T05:00:00Z Many sarbecoviruses encode spike proteins that can bind to a wide range of mammalian cells, suggesting that these viruses can easily move back and forth between different species of mammals, including humans. The Lab-Leak Hypothesis Made It Harder for Scientists to Seek the Truth 2022-02-18T05:00:00Z The ruminant digestive system has evolved several differences from the traditional mammalian monogastric digestive system because they consume large amounts of plant material. Biology for AP Courses 2022-06-09T00:00:00Z Evidence, however, has been piling up to suggest that asymmetrical gaits may not have arisen as recently as once thought, and that they certainly weren’t uniquely mammalian. Like Cheetahs, Ancient Ocean Creatures May Have Moved With a Gallop 2022-03-08T05:00:00Z “For me this is a huge revelation,” says Zhe-Xi Luo, a University of Chicago evolutionary biologist who has studied the origins of mammalian hearing and supervised the new research. How a disappearing ear bone turned bats into masters of echolocation 2022-01-26T05:00:00Z But deforestation, poaching and other human pressures are causing population declines in some crucial mammalian and avian seed-spreading species. Plants are Stuck as Seed-Eating Animals Decline 2022-01-14T05:00:00Z The mammalian ear is unique, with three tiny bones in the middle ear, two of which are derived from bones that make up the jaw in most other vertebrates. Fossils Reveal When Animals Started Making Noise 2022-01-10T05:00:00Z That being said, each hemisphere of the mammalian cerebral cortex can be broken down into four functionally and spatially defined lobes: frontal, parietal, temporal, and occipital. Biology for AP Courses 2022-06-09T00:00:00Z "The seabirds have not evolved to have defences against mammalian predators," said Mr Callender. Heartbreak over 'failed' bid to remove island's mice 2021-12-15T05:00:00Z “A lab that their bread and butter is just doing tissue engineering with mammalian cells would be kind of gun-shy about bringing bacteria anywhere near there,” Dr. Joshi said. This Ink Is Alive and Made Entirely of Microbes 2021-11-23T05:00:00Z Kelley and her colleagues also discovered that the skin of the chest and abdomen in these lemurs contains more melanin than the skin on the back, a reversal of the prevailing mammalian skin-color pattern. Mysteries of Ancient Egypt’s Sacred Baboons Revealed 2021-11-17T05:00:00Z Gaining a deep understanding of the fly’s brain “also gives us insights that are very relevant to the understanding of mammalian, and even human, brains and behavior,” he said. How to Map a Fly Brain in 20 Million Easy Steps 2021-10-26T04:00:00Z One of the genes, AMELX, is known from decades of basic research in mice and humans to play a role in mammalian tooth development. Disturbing Answers to the Mystery of Tuskless Female Elephants 2021-10-21T04:00:00Z The system has utility far beyond bacteria: Scientists found they could also use it to make precise cuts within the mammalian genome. The Definition of Gene Therapy Has Changed 2021-10-19T04:00:00Z This resource “could be the starting point for other important studies in the field of mammalian aging.” Chemical on-off switches for genes may help explain why large mammals live longer 2021-10-18T04:00:00Z Why is unclear, but some scientists hypothesize that their ability to fly — unique among mammals — depends on an immune system that suppresses inflammation, a typical mammalian response to infection. How the hunt for this deadly virus shaped the search for coronavirus’s origins 2021-10-14T04:00:00Z As the embryos grew, the brood pouch became thinner and sprouted numerous blood vessels, just like a mammalian placenta during embryonic development, the researchers report this month in Placenta. Male seahorses grow placentas to incubate their young 2021-09-23T04:00:00Z It was the apocalyptic instant when a rock from outer space slammed into Earth, terminating the age of dinosaurs and eventually offering a bountiful new world to our mammalian ancestors. The Rock That Ended the Dinosaurs Was Much More Than a Dino Killer 2021-09-13T04:00:00Z In just seven years the technique has moved from in vitrolab experiments in mammalian cells to human trials. The Definition of Gene Therapy Has Changed 2021-10-19T04:00:00Z In a new project, Horvath teamed up with more than 100 other labs to look at these epigenetic marks across mammalian species. Chemical on-off switches for genes may help explain why large mammals live longer 2021-10-18T04:00:00Z The disease, or whatever it is, doesn’t spare any other mammalian species — half the world’s dogs, cats, rats and whatever else die off, too. Review | In the sci-fi drama series ‘Y: The Last Man,’ half of society drops dead, and it’s ponderous picking up the pieces 2021-09-12T04:00:00Z "The snake rattling co-evolved with mammalian auditory perception by trial and error, leaving those snakes that were best able to avoid being stepped on." Nature: Rattlesnakes rapid sound switch fools human ears 2021-08-19T04:00:00Z In fact, it's not just humans; this holds true across all mammalian species, from rats to dogs to apes. How Republicans unleashed a new crime wave in America — through worsening inequality 2021-07-22T04:00:00Z “The human brain, and the mammalian brain more generally, is always looking for change and novelty. When we’re unable to have that, things go off the rails.” Boredom’s link to mental illnesses, brain injuries and dysfunctional behaviors 2021-07-16T04:00:00Z The ticks’ favorite mammalian host, the western gray squirrel, does not frequent seaside grass-scapes. Ticks on a 'quest' for blood at California's beaches. Is Lyme disease a rising risk? 2021-06-06T04:00:00Z She singled out the ancient gut species by focusing on DNA that had been damaged by time, and on sequences from bacteria known to be associated with the mammalian gut. Piles of ancient poop reveal “extinction event” in human gut bacteria 2021-05-12T04:00:00Z This test is a common method of determining whether mice and rats are experiencing pain, and she found that octopuses behave like their mammalian counterparts in the assay. Octopus ‘Teachers’ Demonstrate They Feel Emotional Pain 2021-04-23T04:00:00Z Next, the researchers charted the slight grooves and furrows left behind by ancient brain surfaces, giving them rough insight into where certain regions of the mammalian brain would have been located. Our earliest ancestors weren’t as brainy as we thought, fossil skulls suggest 2021-04-08T04:00:00Z The Suez Canal opened for business in 1869, a year before the mammalian diving reflex was described in scientific literature by Paul Bert. The big boat is unstuck, and it’s for the best 2021-03-29T04:00:00Z As neurons are added to the mammalian brain, intelligence increases exponentially, says Suzana Herculano-Houzel, a neuroscientist based at Vanderbilt University in Nashville, Tennessee. The real reason humans are the dominant species 2021-03-27T04:00:00Z “This technique is easy to apply,” says Kumar, who is studying mammalian heart development. ‘Total game changer’: Pinpointing gene activity in tissues is aiding studies of COVID-19, Alzheimer’s 2021-03-18T04:00:00Z “The use of consonants distinguishes human language from mammalian communication, which is almost completely vowels,” Dr. Quam said. Neanderthals Listened to the World Much Like Us 2021-03-01T05:00:00Z In our mammalian ancestors, one of these viruses became embedded in their genome. Opinion | The Secret Life of a Coronavirus 2021-02-26T05:00:00Z Working with field assistants, including members of the Indigenous Aeta peoples, Mr. Balete set traps laden with worms and roasted coconut treats to capture and tally up the local mammalian wildlife. The Mouse That Survived a Volcanic Apocalypse 2021-02-04T05:00:00Z But because the monotremes diverged from other mammals so early — about 187 million years ago — they are also “very important for understanding mammalian evolution,” he said. A Question Hidden in the Platypus Genome: Are We the Weird Ones? 2021-01-09T05:00:00Z About 110 million years ago in what is now Brazil, a pint-size dinosaur cut a flamboyant figure with a display of filaments resembling mammalian fur and narrow, bladelike structures erupting from its shoulders. Chicken-size dino with a furlike mane stirs ethics debate 2020-12-18T05:00:00Z This was not actual hair, an exclusively mammalian feature. 'Like nothing seen in nature before': strange dinosaur has scientists enthralled 2020-12-15T05:00:00Z A 2019 study found that of viruses originating from the five most common mammalian sources — primates, rodents, carnivores, ungulates and bats — those from bats are the most virulent in humans. Scientists focus on bats for clues to prevent next pandemic 2020-12-13T05:00:00Z A 2019 study found that of viruses originating from the five most common mammalian sources - primates, rodents, carnivores, ungulates and bats - those from bats are the most virulent in humans. Scientists focus on bats for clues to prevent next pandemic 2020-12-14T05:00:00Z The earliest flying squirrel may not have appeared until 30 million or 40 million years later, by which time bats were the mammalian masters of the air. Opinion | The Virus, the Bats and Us 2020-12-11T05:00:00Z We considered the chickens female — “the ladies,” we would call them sometimes — but their relationship to anything like mammalian gender felt very loosely approximate. How Caring for Backyard Chickens Stretched My Emotional Muscles 2020-11-25T05:00:00Z It is flightless — a common avian trait in a country without native, land-based mammalian predators. Who Would Rig This Vote? The Fraud Was Real (and Feathers Were Ruffled) 2020-11-10T05:00:00Z Ben-David is “fearless in the quest for truth,” says Terrie Williams, a mammalian physiologist at the University of California, Santa Cruz. In Wyoming, an ecologist seeks a new niche as a U.S. senator 2020-10-19T04:00:00Z But to beaked whales, with their unique physiology, these deep-sea journeys may be just a walk in the park, Mr. Ramos said: “This shows how extreme mammalian physiology can get.” Beaked Whale Shatters Record With 3 Hour 42 Minute Dive 2020-09-23T04:00:00Z That’s more than any other mammalian order except the rodents and constitutes about 20 percent of all mammals. Opinion | The Virus, the Bats and Us 2020-12-11T05:00:00Z The sound made by the startle device provokes a flight response — a fundamental mammalian reflex — without causing harm to the seal, or bothering salmon. Researchers test underwater noisemaker to scare away seals at Ballard Locks 2020-10-04T04:00:00Z The TIR domain is best known for its role in protein–protein interactions in mammalian defence pathways that are part of the innate immune response, which provides a broad defence against pathogens. Bacteria sting viral invaders 2020-09-27T04:00:00Z Although bird and mammalian brains “look very different, this study shows us they are actually wired in very complementary ways.” Newfound brain structure explains why some birds are so smart—and maybe even self-aware 2020-09-24T04:00:00Z The mammalian cortex is organized into six layers containing vertical columns of neurons that communicate with one another both horizontally and vertically. Bird Brains Are Far More Humanlike Than Once Thought 2020-09-24T04:00:00Z Dr. Chiu noted that the trees’ toxins target a molecule, found on nerve cells, that is “fundamental to mammalian pain,” he said. This Tree’s Leaves Look Soft and Inviting. Please Don’t Touch Them. 2020-09-16T04:00:00Z They frequently co-evolve with their hosts and drive host evolution, including catalyzing the development of the mammalian placenta. Scientists are searching space for extraterrestrial viruses 2020-08-31T04:00:00Z The research team confirmed the use of this tactic in both an amoeba and a mammalian cell line, suggesting a commonality among cells engaged in long-distance orienteering. Cells Solve an English Hedge Maze with the Same Skills They Use to Traverse the Body 2020-08-28T04:00:00Z After removing the brains of deeply anesthetized birds, scientists injected crystals into the dissected brains and discovered circuits in the sensory regions that were similar to those found in the mammalian neocortex. Newfound brain structure explains why some birds are so smart—and maybe even self-aware 2020-09-24T04:00:00Z It is during the 8- to 16-cell transition that cells in early mammalian embryos first become asymmetrically organized — with subsets of proteins becoming concentrated at opposite cell poles, a feature called apical–basal polarity. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z LPS provides a barrier to greasy antibiotics and detergents that are encountered in the gut of mammalian hosts. Structure of a lipopolysaccharide regulator reveals a road to new antibiotics 2020-08-11T04:00:00Z Last year, in an article published in Perspectives in Ecology and Conservation, scientists warned that “climate changes are likely to cause local extinctions of several mammalian species throughout the Cerrado biome”. 'The Amazon is the vagina of the world': why women are key to saving Brazil's forests 2020-08-10T04:00:00Z In the May issue of Molecular Cell, his group reported that methyladenine increases more than 1000-fold in mammalian mitochondrial DNA when cells are starved of oxygen—an earlier hint that it plays a biological role. Controversial DNA modification could play key role in placenta development 2020-07-23T04:00:00Z A gross comparison of mammalian and avian brains suggests “they have nothing in common,” he says. Newfound brain structure explains why some birds are so smart—and maybe even self-aware 2020-09-24T04:00:00Z Like many island endemics, Hawaii’s bird species grew up without mammalian predators, so they’re ill-adapted to the teeth and claws that arrived with human society. Hawaii's Invasive Predator Catastrophe 2020-07-21T04:00:00Z Chief among these is the fact that cytidine deaminase is toxic to mammalian cells. Mitochondrial genome editing gets precise 2020-07-07T04:00:00Z “Especially important are those scavengers that may perform long-distance movements and distribute nutrients over large spatial scales, such as vultures and large mammalian predators,” he says. 'Landscape of fear': what a mass of rotting reindeer carcasses taught scientists 2020-07-08T04:00:00Z Though human brains follow the mammalian connection game plan, they also show some striking innovations. How Human Brains Are Different: It Has a Lot to Do with the Connections 2020-07-07T04:00:00Z This high-resolution technique let them analyze the circuitry of a forebrain region called the pallium, considered most similar to the mammalian neocortex. Newfound brain structure explains why some birds are so smart—and maybe even self-aware 2020-09-24T04:00:00Z Such epigenetic regulation occurs in every cell in the body, but when Mews investigated further, he revealed that ACSS2 is especially active in the mammalian hippocampus. EpiVario: mixing psychotherapy and small-molecule drugs 2020-06-29T04:00:00Z The G4 variant is especially concerning because its core is an avian influenza virus—to which humans have no immunity—with bits of mammalian strains mixed in. Swine flu strain with human pandemic potential increasingly found in Chinese pigs 2020-06-29T04:00:00Z Like many island endemics, Hawaii's bird species grew up without mammalian predators, so they're ill-adapted to the teeth and claws that arrived with human society. Hawaii’s invasive predator catastrophe 2020-06-28T04:00:00Z While this seems both vast and amazing, mammalian vision systems are just one part of the vast and still largely mysterious or unknown functions of the human brain, Army Research Lab developers say. Army Futures commander sees AI-driven 'hyperactive battlefield' in future war 2020-05-13T04:00:00Z But their lack of a neocortex—the area of the mammalian brain where working memory, planning, and problem solving happen—has long puzzled scientists. Newfound brain structure explains why some birds are so smart—and maybe even self-aware 2020-09-24T04:00:00Z The world's first proper bat likely evolved several tens of millions of years ago, when a lone branch on the mammalian tree converted forelimbs into wings. COVID-19 reignites a contentious debate over bats and disease 2020-05-09T04:00:00Z By allowing a mock microbiome to develop from different combinations of bacteria, sometimes with mammalian cells in the mix, the researchers can investigate newly isolated microbes and their products. Meet the ‘psychobiome’: the gut bacteria that may alter how you think, feel, and act 2020-05-07T04:00:00Z As a result of this change, many microbes that are adapted to cooler temperatures are unable to endure a warm mammalian body. How a Warming Climate Could Affect the Spread of Diseases Similar to COVID-19 2020-04-29T04:00:00Z The established approach is to grow weakened viruses in chicken eggs—or more recently in mammalian or insect cells—and extract the desired pieces. Genetic Engineering Could Make a COVID-19 Vaccine in Months Rather Than Years 2020-04-29T04:00:00Z Now, researchers have found a previously unknown arrangement of microcircuits in the avian brain that may be analogous to the mammalian neocortex. Newfound brain structure explains why some birds are so smart—and maybe even self-aware 2020-09-24T04:00:00Z Figure 1 | Neurons in the mammalian gut help to defend against bacterial infection. Gut pain sensors help to combat infection 2020-04-19T04:00:00Z “We and our animals are just going to totally flood the mammalian fossil record,” says Roy Plotnick, a paleontologist at the University of Illinois at Chicago and lead author of the study. Livestock, Pets and People Will Dominate Future Fossils 2020-04-13T04:00:00Z In addition, Yoshioka-Kobayashi et al.6 use sophisticated techniques in mice to provide insights into the mechanisms that control the mammalian segmentation clock. The clock that controls spine development modelled in a dish 2020-03-31T04:00:00Z When he was a student in the 1950s, most neuroscientists studied accessible parts of the mammalian nervous system — the junctions between nerves and muscles, say. Per Andersen (1930–2020) 2020-03-19T04:00:00Z Unlike, say, sea-urchin embryos — which are transparent — mammalian embryos are hidden from view. From egg to animal: retracing an embryo’s first steps 2020-03-15T04:00:00Z These remarkable findings reveal a complex loop of interactions between epithelial cells, neurons and microbes in the mammalian gut, adding another layer of complexity to our understanding of gut immunity. Gut pain sensors help to combat infection 2020-04-19T04:00:00Z For the latter, they compared cemetery and landfill locations to sites where Pleistocene and Holocene mammalian fossils tend to occur. Livestock, Pets and People Will Dominate Future Fossils 2020-04-13T04:00:00Z Both studies used cultured mammalian cells that mainly rely for their energy production on a metabolic pathway called glycolysis, which occurs in the cytosol, rather than depending on energy production from mitochondria. Mitochondrial distress call moves to the cytosol to trigger a response to stress 2020-03-03T05:00:00Z I imagine it was like a paleontologist tracking the evolution of a mammalian species through changes in its fossilized teeth. Perspective | Roll with the punches: More complaints about how toilet paper has changed 2020-03-03T05:00:00Z Now, the field’s pioneers are moving beyond the well-established unicellular laboratory models of yeast and E. coli, towards complex bacteria — and even into plant and mammalian cells. How to build a genome 2020-02-23T05:00:00Z The group then injected those genes into mammalian cells in a lab dish and those cells produced the spike proteins. Researchers Map Structure of Coronavirus “Spike” Protein 2020-02-21T05:00:00Z Like the mammalian claustrum, this one connects to many parts of the brain, including areas involved with sleep, Laurent and his colleagues report today in Nature. The Australian bearded dragon may hold secrets to human sleep 2020-02-12T05:00:00Z While bats account for a quarter of mammalian species, rodents are 50 percent, and then there’s the rest of us. How Do Bats Live With So Many Viruses? 2020-01-28T05:00:00Z Their journey is the longest mammalian migration, and full of perils such as ships, orcas and plastic debris. As gray whale migration reaches its peak, scientists fear another unexplained die-off 2020-01-24T05:00:00Z Instead they found that the body’s sympathetic nervous system, which governs the mammalian “fight-or-flight” response to danger, played a central role. Hairy situation: Scientists explain how stress-related graying occurs 2020-01-22T05:00:00Z I am a neurobiologist who studies how mammalian brain circuits are tuned by experience and neural activity during development. Orderly desk, orderly mind 2020-01-13T05:00:00Z New Zealand's definition of a mammalian predator encompasses stoats and possums as well. The communities on a mission to exterminate rats 2020-01-01T05:00:00Z They confirmed what scientists had thought: “Bats are host to a significantly higher proportion of zoonoses than all other mammalian orders.” How Do Bats Live With So Many Viruses? 2020-01-28T05:00:00Z Why did humans become the exception to this nearly universal mammalian rule? Medicine or myth? The dubious benefits of placenta-eating 2019-12-16T05:00:00Z The mechanism also operates in some mammalian viruses, including those that infect humans, such as adenovirus and hepatitis B virus. Margarita Salas (1938–2019) 2019-12-05T05:00:00Z “The question is, ‘Does this keep happening throughout basal mammalian evolution because it improves hearing? Now Hear This: New Fossils Reveal Early Ear-Bone Evolution 2019-12-05T05:00:00Z Neurons whose physiological activity correlates with many such processes have been found in the mammalian brain, and scientists are even able to artificially activate and inactivate those neurons in behaving animals. Could Fruit Flies Reveal the Hidden Mechanisms of the Mind? 2019-12-03T05:00:00Z They are also an incredibly diverse group, making up about a quarter of all mammalian species. How Do Bats Live With So Many Viruses? 2020-01-28T05:00:00Z This arrangement evolved independently at least three times in mammals, so it is not found in all mammalian fossils. All ears about ancient mammals 2019-11-26T05:00:00Z Finally, his work generates hypotheses that should be tested in other species, because many properties of the fruit fly’s heading neurons are similar to those of mammalian head-direction cells. How a fly’s neural compass adapts to an ever-changing world 2019-11-19T05:00:00Z Zhe-Xi Luo, an evolutionary biologist at the University of Chicago, who studies early mammalian evolution and was not involved in the Science study, is less certain of its claims. Now Hear This: New Fossils Reveal Early Ear-Bone Evolution 2019-12-05T05:00:00Z Even though man’s best friends diverged from humans early in mammalian evolution, they’re a good group for comparison because they live in the same environments and many receive similar healthcare and hospital treatments. Here’s a better way to convert dog years to human years, scientists say 2019-11-15T05:00:00Z “The avian genome in general is very compact and conserved compared with, for example, the mammalian genome,” Larkin explains. Solving the Mystery of Songbird Diversity 2019-11-07T05:00:00Z These bones shifted slightly internally to form a middle ear together with a bone called the stapes, which was present in mammalian ancestors. All ears about ancient mammals 2019-11-26T05:00:00Z A reconstruction of a comparable piece of mammalian cortex in 2013 took 25 times as long to complete. Budding Organs, Science on Blast(s), and Human-Robot Synchronicity: Science GIFs to Start Your Week 2019-11-04T05:00:00Z Some 40 mammalian species, including tigers, use this landscape. India’s tigers seem to be a massive success story — many scientists aren’t sure 2019-10-29T04:00:00Z The skulls tell a story of mammalian resilience. Colorado Fossils Show How Mammals Raced to Fill Dinosaurs’ Void 2019-10-24T04:00:00Z The fossils, described by scientists on Thursday, date from the first million years after the calamity and show that the surviving terrestrial mammalian and plant lineages rebounded with aplomb. Post-apocalyptic fossils show rise of mammals after dinosaur demise 2019-10-24T04:00:00Z Figure 1 | The evolution of mammalian middle ears. All ears about ancient mammals 2019-11-26T05:00:00Z Pea and bean species from the "protein bar period" provided protein-rich meals that further boosted mammalian size and diversity, Lyson says. How life blossomed after the dinosaurs died 2019-10-24T04:00:00Z The find is among a mass of discoveries in the past 10–20 years that are illuminating milestones in mammalian evolution. How the earliest mammals thrived alongside dinosaurs 2019-10-22T04:00:00Z Lemurs are among the most primitive members of the primate mammalian group that also includes monkeys, apes and humans. Two thumbs up - or is it four? Odd lemur has evolved extra 'finger' 2019-10-22T04:00:00Z But the small, scurrying, rodentlike organisms that were our mammalian ancestors generally did better. A Science-Based Origin Story for a Planet-Changing Species 2019-10-22T04:00:00Z The next most obvious place to look for competing cells was the mammalian embryo. These secret battles between your body’s cells might just save your life 2019-10-14T04:00:00Z Indeed, they are the most abundant fungal species in mammalian skin, accounting for more than 80–90% of the skin’s commensal mycobiome9. Fungi accelerate pancreatic cancer 2019-10-01T04:00:00Z Bacterial genes function differently from those of animals, and inserting so many bacterial genes into mammalian cells and getting them to work in concert is difficult. Ultrasound can ‘see’ when tumor cells turn genes on and off 2019-09-26T04:00:00Z During this process, egg-based vaccines evolve away from human flu strains towards ones that work well in chickens, something that is less likely to happen in mammalian cells. Accelerating flu protection 2019-09-17T04:00:00Z Together, the results of the two papers increase our understanding not only of how PRC2 affects gene expression and cell function in different settings, but also of mammalian physiology and human disease. Inhibitory protein puts a lid on an epigenetic marker 2019-08-25T04:00:00Z She met her future husband while working at the Jackson Laboratory for mammalian genetics in Bar Harbor, Maine. Liane Russell, scientist who put spotlight on danger of X-rays for embryos, dies at 95 2019-08-23T04:00:00Z His research group analyzes DNA recovered from ancient bones, teeth, microbes, and plants to probe a wide range of evolutionary topics, including the peopling of Australia, microbial and mammalian evolution, and climate change. Australian university suspends ancient DNA expert Alan Cooper as part of workplace investigation 2019-08-19T04:00:00Z Many metabolic processes are conserved in evolution between yeast and mammalian cells, and yeast is a widely used model organism for studying human cells7. Yeast cells handle stress by reprogramming their metabolism 2019-07-30T04:00:00Z However, even vaccines produced in mammalian cells are based on candidates developed in eggs before they are repeatedly groomed for growth. Accelerating flu protection 2019-09-17T04:00:00Z Writing in Nature, Madan et al.3 report that whether competing mammalian cells win such a battle depends on which version of a membrane protein called Flower they express. Flower power as human cancer cells compete with normal cells 2019-07-23T04:00:00Z The book is a love note to Beirut, a lament for war, but above all a story of human frailty and our dogged, mammalian battle against failure. Review: A love note to Beirut and a lament for war — Rawi Hage's latest is a hell of a story 2019-07-20T04:00:00Z Many of the early mammalian epigenetics studies focused on DNA methylation, which "tags" DNA with methyl groups that switch genes off. Parents’ emotional trauma may change their children’s biology. Studies in mice show how 2019-07-18T04:00:00Z “This is the exact opposite of what we expected,” Lehner says, cautioning that they need to confirm this result in mammalian cells. Mutant genes could supercharge efforts to decipher protein structures 2019-06-18T04:00:00Z Jain is hoping to use the device to test a radioactive sugar tracer he’s developed that’s ingested by bacterial but not mammalian cells. Whole-body PET scanner produces 3D images in seconds 2019-06-11T04:00:00Z Proteins that are normally present in mammalian cells do not seem able to trigger the accidental formation of NLRC4-containing inflammasomes, given the lack of reports of such aberrant events. A licence to kill during inflammation 2019-06-11T04:00:00Z The dinosaur was about the same size as the modern mammalian carnivore, and, in its Cretaceous time, it probably pounced on relatively small prey much like modern coyotes do. Tiny Tyrannosaur Named the "Coyote King" 2019-05-18T04:00:00Z But if bacteria under such conditions were also in contact with mammalian cells, they expressed the fluorescent protein. Reconfiguration of a bacterial transport system generates a reverse gear 2019-04-28T04:00:00Z Nonetheless, the study challenges the long-held assumption that large mammalian brains are irreversibly damaged a few minutes after blood stops circulating. Pig experiment challenges assumptions around brain damage in people 2019-04-16T04:00:00Z First, that neural activity and consciousness are irretrievably lost within seconds to minutes of interrupting blood flow in mammalian brains. Part-revived pig brains raise slew of ethical quandaries 2019-04-16T04:00:00Z That study was the first to pin mammalian activity patterns to an explicit timeline, says Maor, and supports the hypothesis that early mammals were driven to nocturnal lifestyles by the dinosaurs’ dominance of daylight hours. The eyes of mammals reveal a dark past 2019-04-09T04:00:00Z “I’m not surprised there’s an effect,” says Margaret Ahmad, a biologist at Sorbonne University in Paris, who notes that magnetic fields are known to affect human and other mammalian cells in a dish. Humans—like other animals—may sense Earth's magnetic field 2019-03-18T04:00:00Z A host of such experiments are revealing how the mammalian brain processes the world. Daily briefing: The sold-out science-based board game about birds 2019-03-11T04:00:00Z But other researchers wanted to study mammalian brains, like our own, which are more complex; in particular, they were interested in the cerebral cortex, the large, multi-layered sheet of neurons central to mammalian intelligence. The mouse in the video game 2019-03-11T04:00:00Z “Until very recently there was still this belief that human speech and mammalian vocalizations are two completely different things,” said Steffen R. Hage, a neurobiologist at the University of Tubingen in Germany. These Mice Sing to One Another — Politely 2019-02-28T05:00:00Z It added: "Significantly, this probably represents the first recorded mammalian extinction due to anthropogenic climate change." Climate change-ravaged rodent 'extinct' 2019-02-19T05:00:00Z “But there are frightening, fascinating overlaps with mammalian milk in the kinds of proteins we see.” Everywhere in the Animal Kingdom, Followers of the Milky Way 2019-02-11T05:00:00Z Maybe naturists truly believe it’s possible for a body to just be a body — that by imposing a neutral state of mammalian coexistence, people can fake social equilibrium, if only for an afternoon. Letter of Recommendation: Naturism 2019-01-29T05:00:00Z His master’s thesis on gestation management systems in swine stemmed not just from his upbringing, he says, but also from learning that “mammalian tissue is very similar at the cellular level across species.” One of Indiana’s new congressmen is a Vietnam veteran, a farmer … and a scientist 2019-01-31T05:00:00Z Next, the researchers plotted these species on a family tree that traces the branching evolutionary history of all known mammalian life. From mouse to mammoth, foot posture may explain why some mammals got so massive 2019-01-28T05:00:00Z Bats account for 20 percent of all mammalian species. Deadly Ebola Virus Is Found in Liberian Bat, Researchers Say 2019-01-24T05:00:00Z If you simply dropped large quantities of calcium and phosphorus into most types of mammalian milk, the minerals would glom together into insoluble phosphate compounds. Everywhere in the Animal Kingdom, Followers of the Milky Way 2019-02-11T05:00:00Z Nevertheless, Grunwald and colleagues’ work is an important proof-of-concept that will surely be followed by modifications that might lead to improvements in future mammalian gene drives. On the road to a gene drive in mammals 2019-01-22T05:00:00Z But technical challenges remain in synthesizing entire genomes, especially mammalian ones. Technologies to watch in 2019 2019-01-22T05:00:00Z For humans, face recognition happens in the cerebral cortex, the area of the mammalian brain responsible for higher cognition. Fishy Smarts: Archerfish Can Recognize Human Faces in 3-D 2019-01-07T05:00:00Z Pterosaur fluff, comprised of what are technically known as ‘pycnofibres’, is structurally different from mammalian fur or hair. Fossils tell a colourful tale 2018-12-16T05:00:00Z Though further study is needed to understand how and why the T. magnus generates the fluid, the study should further challenge the assumption that lactation is a uniquely mammalian trait, said Dr. Corlett. Meet the Spiders That Feed Milk to Their Young 2018-11-29T05:00:00Z A mammalian gene drive might provide a powerful alternative. On the road to a gene drive in mammals 2019-01-22T05:00:00Z The spiny mouse is one of only a few mammalian models of skin regeneration. Unlocking the secrets of scar-free skin healing 2018-11-20T05:00:00Z They also showed that the ideal length for a row of mammalian eyelashes is one-third the width of an eyeball. The Mysteries of Animal Movement 2018-11-05T05:00:00Z As with many other discoveries first made in D. melanogaster8, perfect correspondence with mammalian systems is unlikely. Gut microbes alter the walking activity of fruit flies 2018-10-23T04:00:00Z These color-coded mouse embryos represent a breakthrough for understanding early mammalian development. This is the most detailed view ever of a developing mouse 2018-10-11T04:00:00Z The development of this technique to generate a mammalian gene drive is another milestone in this exciting area of research. On the road to a gene drive in mammals 2019-01-22T05:00:00Z Remarkably, despite being separated by 2 billion to 3 billion years of evolution9, several of the Asgard profilins bound to mammalian actin and regulated its polymerization kinetics. The eukaryotic ancestor shapes up 2018-10-02T04:00:00Z “This just proves that this is not some peculiar human characteristic, it’s not even a mammalian characteristic, it’s a characteristic of brains,” he said. MDMA makes octopuses more sociable 2018-09-20T04:00:00Z But the mammalian brain isn’t transparent: in fact, it looks like tofu, says Na Ji, a physicist at University of California, Berkeley. A new way to capture the brain’s electrical symphony 2018-09-18T04:00:00Z These channels aren’t quite the same as those in the mammalian nervous system, but they look very similar and probably worked similarly. Watch Plants Light Up When They Get Attacked 2018-09-13T04:00:00Z It also hasn’t exhibited any potential toxicities in mammalian cells. Scientists engineer a powerful new weapon against antibiotic-resistant bacteria 2018-09-12T04:00:00Z “It helps people understand things that are not always typical in mammalian systems.” Friday briefing: To really understand animals, embrace the ctenophores, the sponges and the placozoans 2018-08-23T04:00:00Z Finally, it remains to be seen whether the majority of stable protein complexes in mammalian cells are also assembled co-translationally — but it seems likely that they are. Protein complexes assemble as they are being made 2018-08-28T04:00:00Z Once pregnant, these gender-bending fathers invest heavily in their young, supplying embryos with nutrients and oxygen through a setup similar to the mammalian placenta. When a Pregnant Pipefish Dad Spots an Alluring Female, Things Get Weird 2018-08-24T04:00:00Z Taken together, these comparisons showed that rather than considering the reptilian brain a distinct unit, separate from the mammalian limbic system and the primate neocortex, the three can’t be cleanly distinguished from one another. Maybe the “lizard brain” isn’t so different from ours after all 2018-08-23T04:00:00Z A single mammalian cell might contain as many as 10 million ribosomes; a single cell of the bacterium Escherichia coli, or E. coli, might get by with just tens of thousands. The Scientist Who Scrambled Darwin’s Tree of Life 2018-08-13T04:00:00Z But mammalian eyes don’t spontaneously repair themselves like that. Eye regeneration technique lets blind mice see the light 2018-08-15T04:00:00Z “I don’t see the link to mammalian aging.” Worms may age because they cannibalize their own intestines 2018-08-09T04:00:00Z In time, we become able to read that strange shared mammalian language and see comparisons with our own. Why do dogs wag their tails? You asked Google – here’s the answer | Jules Howard 2018-08-08T04:00:00Z In addition, both the fish and the mammalian cells produce a transcription factor of the Foxi family. Profile of an unknown airway cell 2018-07-31T04:00:00Z One key question is why is this complex essential for the survival of Leishmania in its mammalian host? Drug candidate and target for leishmaniasis 2018-07-24T04:00:00Z Eventually, the tour guide delivers the answer with a twinkle in their eye: the hippo, yes, that water-loving, one-tonne mammalian oddity. How many hippos are too many? Proposed cull raises questions 2018-07-18T04:00:00Z The finding “puts a new light on monotremes” and suggests suckling was part of the original mammalian package, says paleontologist and functional anatomist Alfred “Fuzz” Crompton of Harvard University, who led the new studies. Got milk? Even the first mammals knew how to suckle 2018-07-17T04:00:00Z This kind of research is harder than it sounds: although rats have been used for decades as models of mammalian diseases and behaviors, they are nocturnal – meaning they engage in sex during the night. Sexual pleasure might help us learn – if rats are any guide 2018-07-01T04:00:00Z Darnovsky then notes that many cloned mammalian embryos fail to develop and that some have been born with birth defects. Readers Respond to the March 2018 Issue 2018-07-01T04:00:00Z A taste for sweetness is evolutionarily embedded in the mammalian brain; in the wild, sugar translates into fast calories and improved survival odds. Scientists Pinpoint Brain Region That May Be Center for Alcohol Addiction 2018-06-21T04:00:00Z Today, the genetic code of almost any mammalian virus can be found online and synthesised. Urgent need to prepare for manmade virus attacks, says US government report 2018-06-19T04:00:00Z The work is “incredibly interesting and really important” for understanding mammalian evolution, says neurophysiologist Rebecca German of Northeast Ohio Medical University in Rootstown. Got milk? Even the first mammals knew how to suckle 2018-07-17T04:00:00Z In these aspects, bird skin looks more like mammalian skin. Did dinosaurs get dandruff? 2018-06-15T04:00:00Z None of the compounds proved effective at killing human pathogens in lab tests, nor were they toxic to two types of mammalian cancer cells, however. Microbes Living in Antarctic Huts Produce Novel Chemical Compounds 2018-06-12T04:00:00Z The earliest primitive mammals evolved during the Triassic Period, when dinosaurs also first appeared, from creatures that combined reptilian and mammalian characteristics. Fossil skull from Utah sheds light on primitive mammal group 2018-05-23T04:00:00Z While we can’t know for sure, kneeling probably derives from a core principle in mammalian nonverbal behavior: make the body smaller and look up to show respect, esteem, and deference. The Psychology of Taking a Knee 2018-05-23T04:00:00Z In contrast, producing working full-size antibodies in E. coli has proved to be difficult, so researchers typically generate them from more expensive cultures of mammalian cells. Mini-antibodies discovered in sharks and camels could lead to drugs for cancer and other diseases 2018-05-10T04:00:00Z The program surprised the scientists by spontaneously generating hexagonal-shaped patterns of activity akin to those generated by navigational cells in the mammalian brain called grid cells. AI recreates activity patterns that brain cells use in navigation 2018-05-08T04:00:00Z Among the standout features of its Euthypoxia Chamber: It “produces calm and sedation followed by inebriation and euphoria;” it “requires no medical expertise;” and it guarantees “the demise of any mammalian life in 4 minutes.” States Turn to an Unproven Method of Execution: Nitrogen Gas 2018-05-07T04:00:00Z The UC researchers say it was obvious to test the system in mammalian cells, even though there was no guarantee it would work. Federal appeals court hears CRISPR patent dispute 2018-04-30T04:00:00Z "We miss things that are happening in the worlds of other animals if we just use our mammalian eyes," Gruber says. Puffin Beaks Glow in Surprising Discovery 2018-04-27T04:00:00Z In February, he and his team at Salk won a $1.2 million award from the W. M. Keck Foundation to develop living mammalian tissues that are transparent to light microscopy. Famed cancer biologist allegedly sexually harassed women for decades 2018-04-26T04:00:00Z In the time line of mammalian extinctions, large animals started to disappear only after humans and their hominid cousins showed up. In 200 Years Cows May Be the Biggest Land Mammals on the Planet 2018-04-20T04:00:00Z Oddly enough, all known prion diseases but one are caused by changes to a single mammalian protein, the somewhat confusingly-named “prion protein”. Prions Are Forever 2018-04-14T04:00:00Z Here we show that Pelo is required for mammalian epidermal homeostasis. An evolutionarily conserved ribosome-rescue pathway maintains epidermal homeostasis 2018-04-10T04:00:00Z The authors’ findings indicate that mammalian RNA viruses probably originated from viruses that infected fish, and then followed vertebrates on to land. Backbone of RNA viruses uncovered 2018-04-03T04:00:00Z A cell-autonomous mammalian 12 hr clock coordinates metabolic and stress rhythms. Metabolic enzyme PFKFB4 activates transcriptional coactivator SRC-3 to drive breast cancer 2018-04-02T04:00:00Z “We found absolutely no effect of climate on mammalian extinction over 65 million years,” she says. In 200 Years Cows May Be the Biggest Land Mammals on the Planet 2018-04-20T04:00:00Z They retain signs of the standard mammalian complement of five digits. Long-Lost Horse Toes Found 2018-03-24T04:00:00Z Many others perform vital roles – pollinating plants, spreading seeds, serving as food for mammalian predators – in ecosystems whose continuing wildness has touristic or carbon-sequestering value. The radical otherness of birds: Jonathan Franzen on why they matter 2018-03-23T04:00:00Z Although studies of diabetes have focused mainly on mammalian systems, other creatures might offer a fresh perspective on the condition. The healthy diabetic cavefish conundrum 2018-03-20T04:00:00Z Immunofluorescence and fluorescent-protein tagging show high correlation for protein localization in mammalian cells. Metabolic enzyme PFKFB4 activates transcriptional coactivator SRC-3 to drive breast cancer 2018-04-02T04:00:00Z For most of mammalian evolutionary history, an animal’s size was not predictive of its extinction risk. In 200 Years Cows May Be the Biggest Land Mammals on the Planet 2018-04-20T04:00:00Z They reported that antibiotics in several classes triggered oxidative stress — a build-up of reactive, oxygen-containing molecules — in mitochondria, inhibiting their function across a range of mammalian cells, as well as in mice. When antibiotics turn toxic 2018-03-20T04:00:00Z If seals are a mammalian reservoir more commonly infected than we knew, their populations may affect influenza disease ecology. Influenza's Wild Origins in the Animals Around Us 2018-03-11T05:00:00Z The mice – the only introduced mammalian pest on the island – ate albatross chicks alive, devastated vegetation and threatened rare insect life. The million-dollar mouse: army heads to remote Antarctic islands to hunt out pest 2018-02-19T05:00:00Z The researchers also modified CAMERA2 to work in mammalian cells, recording changes directly in the genome rather than in plasmids. CRISPR hack transforms cells into data recorders 2018-02-14T05:00:00Z I expect there to be something to kick against, but there isn’t, the kicking is useless but my poor dumb mammalian brain only really understands this as swimming. HP took me on a zero-gravity flight to promote their space printer 2018-02-11T05:00:00Z “I think people generally assume that antibiotics do not impact mammalian cells,” he says. When antibiotics turn toxic 2018-03-20T04:00:00Z In 2018, we’ll be adding raccoons, llamas, hippos, kangaroos, and badgers to the mammalian kingdom, while swans, peacocks, and parrots will diversify our feathered options. 2018’s new emoji will end the neglect of redheads 2018-02-08T05:00:00Z Ten_m3 regulates eye-specific patterning in the mammalian visual pathway and is required for binocular vision. Teneurin-3 controls topographic circuit assembly in the hippocampus 2018-02-06T05:00:00Z Together, our data indicate that enhancer redundancy is a remarkably widespread feature of mammalian genomes that provides an effective regulatory buffer to prevent deleterious phenotypic consequences upon the loss of individual enhancers. Enhancer redundancy provides phenotypic robustness in mammalian development 2018-01-30T05:00:00Z Merotelic kinetochore orientation is a major mechanism of aneuploidy in mitotic mammalian tissue cells. Chromosomal instability drives metastasis through a cytosolic DNA response 2018-01-16T05:00:00Z In the hippocampus—a small horseshoe-shaped area of mammalian brains—there is a kind of Marauder’s map, which keeps track of other individuals’ movements. The Brain's Marauder's Map 2018-01-17T05:00:00Z As a rule, because their neurons are smaller on average, primate brains are much denser than other mammalian brains. To Unlock the Brain’s Mysteries, Purée It 2017-12-14T05:00:00Z The foundations of mammalian development lie in a cluster of embryonic epiblast stem cells. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z Partially redundant enhancers cooperatively maintain mammalian pomc expression above a critical functional threshold. Enhancer redundancy provides phenotypic robustness in mammalian development 2018-01-30T05:00:00Z Screening and large-scale expression of membrane proteins in mammalian cells for structural studies. Structures of the calcium-activated, non-selective cation channel TRPM4 2017-12-05T05:00:00Z Screening and large-scale expression of membrane proteins in mammalian cells for structural studies. Electron cryo-microscopy structure of a human TRPM4 channel 2017-12-05T05:00:00Z This set-up ensures that implantation of the mammalian embryo is coordinated with its development. Early embryos kept in check Our results add tissue-level architecture as a new criterion for the characterization of different pluripotent states, and show the relevance of transitions between these states during development of the mammalian embryo. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z Insights into RNA biology from an atlas of mammalian mRNA-binding proteins. Promoter-bound METTL3 maintains myeloid leukaemia by m6A-dependent translation control 2017-11-26T05:00:00Z In addition, the fossil record of large mammalian herbivores is sufficiently rich that the proportion of localities in which each genus was found is a good measure of the evolutionary success of each genus. A tip of the hat to evolutionary change Metabolomics analysis reveals large effects of gut microflora on mammalian blood metabolites. A gut bacterial pathway metabolizes aromatic amino acids into nine circulating metabolites 2017-11-21T05:00:00Z But the study allowed researchers to peer through the messy signals prevalent in mammalian brains. How bats keep an ear on their prey 2017-11-27T05:00:00Z Although we all have a vertebrate, mammalian brain, the details of the construction are quite different. Pets Are Good For Us—But Not In The Ways We Think They Are 2017-11-25T05:00:00Z Maier, W. & Ruf, I. Evolution of the mammalian middle ear: a historical review. A Jurassic gliding euharamiyidan mammal with an ear of five auditory bones 2017-11-12T05:00:00Z For example, the North American mammalian fossil record from the Cenozoic era fits the law of constant extinction with remarkable fidelity11,12. A tip of the hat to evolutionary change As with mammalian fur, the early single-shafted feather growths prevented heat being conveyed away from the body in the air. How scales turned into feathers 2017-11-22T05:00:00Z Quorum quenching enzyme activity is widely conserved in the sera of mammalian species. Progress in and promise of bacterial quorum sensing research 2017-11-14T05:00:00Z The function of KCTD13 in the mammalian brain, however, remains unknown. Kctd13 deletion reduces synaptic transmission via increased RhoA 2017-10-31T04:00:00Z Earliest known mammalian stapes from an early cretaceous eutriconodontan mammal and implications for evolution of mammalian middle ear. A Jurassic gliding euharamiyidan mammal with an ear of five auditory bones 2017-11-12T05:00:00Z Gehring, T. M. & Swihart, R. K. Body size, niche breadth, and ecologically scaled responses to habitat fragmentation: mammalian predators in an agricultural landscape. Creation of forest edges has a global impact on forest vertebrates 2017-10-31T04:00:00Z He and his advisor David Martill suspected that the teeth were mammalian. Fossils of Some of Our Oldest Mammal Ancestors Found 2017-11-07T05:00:00Z Control of cell identity genes occurs in insulated neighborhoods in mammalian chromosomes. Two independent modes of chromatin organization revealed by cohesin removal 2017-09-26T04:00:00Z These mariners brought in tow a malign ark of mammalian deplor-ables they introduced to islands that had been largely unperturbed for millions of years. Could Genetic Engineering Save the Galápagos? 2017-11-01T04:00:00Z The surangular has not been previously identified in any mammalian middle ear, and the morphology of each auditory bone differs from those of known mammals and their kin. A Jurassic gliding euharamiyidan mammal with an ear of five auditory bones 2017-11-12T05:00:00Z Pinning down a mammalian model to explore how this function develops is important for neurologists studying vocal learning, says Yartsev. How baby bats develop their dialects 2017-10-30T04:00:00Z The scientists mutated the protein to bind to mammalian RNA without destroying it. Scientists announce new gene-editing techniques aimed at common mutations 2017-10-25T04:00:00Z Topological domains in mammalian genomes identified by analysis of chromatin interactions. Two independent modes of chromatin organization revealed by cohesin removal 2017-09-26T04:00:00Z The goal, he says, is to help illuminate the relationship between their mammalian brains, body metabolism and environment. Small-Minded Strategy: The Common Shrew Shrinks Its Head to Survive Winter 2017-10-23T04:00:00Z A realm that spans the mammalian gut, the ocean floor and the International Space Station is a rich one, and discoveries in it continue to rattle and revivify biology. Books in brief : Nature : Nature Research 2017-10-10T04:00:00Z Instead, it is made in her fetus and in the placenta, by a gene that originally came from a virus that infected our mammalian ancestors more than 100 million years ago. Ancient Viruses Are Buried in Your DNA 2017-10-04T04:00:00Z Longer tubes, reported in mammalian cells, seem to transport not just molecular signals but much larger cargo, such as viral particles, prions or even mitochondria, the cell's energy-generating structures. How the Internet of cells has biologists buzzing 2017-09-19T04:00:00Z Wallabies are kicking over scientific conventions surrounding mammalian placentas, the organ responsible for protecting and nourishing a developing fetus. Wallaby milk acts as a placenta for babies 2017-09-11T04:00:00Z To those skeptics who believe that an inquiry into Senator Ted Cruz’s mammalian authenticity is wasteful of taxpayer dollars, I can only identify the causes for concern. Is Ted Cruz human? An investigation 2017-09-02T04:00:00Z All mammalian systems would show a similar trend, the researchers say. Freeze-dried dung gives clue to Asian elephant stress - BBC News 2017-08-16T04:00:00Z With the discovery of light-sensitive retinal cells in addition to rods and cones in mammalian retinas, it became obvious that humans, too, must use nonvisual pathways for control of behavior and function. Seeing Without Eyes 2017-08-13T04:00:00Z In 2004, two research groups separately published observations of something even more radical: nanotubes in mammalian cells that seemed to move cargo such as organelles and vesicles back and forth. How the Internet of cells has biologists buzzing 2017-09-19T04:00:00Z Now, in a Nature paper, they present evidence that the microbe causing it, Bacillus cereus, plays a huge role in the ecology of the rainforest, apparently causing a large proportion of all mammalian deaths. Anthrax’s cousin wreaks havoc in the rainforest 2017-08-02T04:00:00Z Vipers live in greater densities than mammal and bird predators, as much as 100-1,000 times denser than their mammalian competitors. Teaching people to hate snakes is a disaster for ecology 2017-07-29T04:00:00Z By using electrical stimulation of specific brain regions and through creating various lesions in mammalian brains, he sought to understand the origins of different antagonistic behaviors. Nasty, Brutish and Short: Are Humans DNA-Wired to Kill? 2017-07-19T04:00:00Z Paleontologists Dave Hone and Oliver Rauhut highlighted that this would be a way the predators of the Mesozoic acted much the same way as modern mammalian carnivores. Nothing but the Tooth 2017-07-15T04:00:00Z Evidence derived from real mammalian tissue is even sparser. How the Internet of cells has biologists buzzing 2017-09-19T04:00:00Z For example, mammalian bone density usually drops with age. Blood from young animals can revitalise old ones 2017-07-12T04:00:00Z They are not fully covered like a mammoth, yet you can easily spot the hairs their mammalian ancestors gave them. Long Live the Fuzzy T. rex 2017-07-01T04:00:00Z A new article by Nature reveals how scientists who analyzed a broad range of mammalian host-virus relationships discovered that “bats harbour a significantly higher proportion of zoonotic viruses than all other mammalian orders.” Study: The next pandemic may come from bats 2017-06-27T04:00:00Z But others argue that the bat order is very well-studied and very big—one in five mammalian species is a bat—biasing results. Bats really do harbor more dangerous viruses than other species 2017-06-21T04:00:00Z But the findings from the teeth might be overturned if researchers discover other remains, says Eleanor Weston, an independent mammalian palaeontologist in the United Kingdom. Teeth tell tale of hippo’s quick spread across Africa 2017-06-19T04:00:00Z The changes were clearly advantageous and perpetuated through time in different mammalian groups, Lewin says. Digital reconstruction of ancient chromosomes reveals surprises about mammalian evolution 2017-06-19T04:00:00Z Were this all there was to elephant society, it would still be quite complex by mammalian standards—similar in scope to that of lions, which also live in matriarchal family groups that eject maturing males. Conserve elephants. They hold a scientific mirror up to humans 2017-06-15T04:00:00Z But if mammals are more finely split than birds, that means more money is being funnelled towards the protection of mammalian genetic diversity overall. Taxonomy anarchy hampers conservation In fact, this overproduction is so substantial that only about half of the neurons mammalian embryos generate will survive until birth. Why Is Synaptic Pruning Important for the Developing Brain? 2017-05-29T04:00:00Z He said the feasibility of mammalian reproduction in space beyond the Van Allen belt would depend on the creation of "radiation-hardened" facilities that could protect sperm, eggs and embryos from harm. Frozen 'space sperm' passes fertility test - BBC News 2017-05-22T04:00:00Z The effects of space radiation and microgravity on mammalian reproduction were largely unknown, but the study of reproduction in space was “a very important subject for our future”, Wakayama wrote. Space sperm produces healthy mice, raising prospect of future human settlement 2017-05-22T04:00:00Z Scientists need to study sperm from other mammalian species held in space for longer periods of time. Sperm frozen in space produce healthy mouse pups 2017-05-22T04:00:00Z Dr Meyer and his team members were able to identify the DNA of various animals belonging to 12 mammalian families, including extinct species such as the woolly mammoth, woolly rhinoceros, cave bear and cave hyena. DNA of extinct humans found in caves - BBC News 2017-04-28T04:00:00Z This 'T-zone' of mammalian cooling goop is often neglected by casual runners. Running safety tips for humans : Nature : Nature Research 2017-04-18T04:00:00Z The only known example of ancient mammalian red blood cells preserved in amber may exist thanks to a bit of monkey business. Millions of years ago, this tick was probably gorging on a monkey 2017-04-07T04:00:00Z And though the pesticides wreak havoc on insect nervous systems, neonicotinoids do not easily cross from a mammal’s bloodstream into a mammalian brain. First evidence found of popular farm pesticides in drinking water 2017-04-05T04:00:00Z On the cards are nematode worms, plants and even mammalian cells. Synthetic genome nearly complete, paving way for bespoke organisms 2017-03-09T05:00:00Z “Feng was very early in recognizing the importance of reducing it to practice in mammalian cells,” Church said this week. CRISPR pioneer muses about long journey from China to pinnacle of American science 2017-02-17T05:00:00Z WHO’s analyses of viral samples so far "do not show evidence of any changes in known genetic markers of virulence or mammalian adaptation," WHO's China Representative Office in Beijing wrote in an email to Science. Bird flu strain taking a toll on humans 2017-02-17T05:00:00Z He won the Nobel Prize in Physiology or Medicine in 2007 for developing methods to genetically modify individual mammalian genes. Oliver Smithies (1925-2017) : Nature : Nature Research 2017-02-07T05:00:00Z Otters belong to a mammalian family including the weasel, badger, marten and mink. Fossils of wolf-sized otter unearthed in China 2017-01-23T05:00:00Z Otters belong to a mammalian family including the weasel, badger, marten and mink. Fossils of utterly huge otter unearthed in China 2017-01-23T05:00:00Z “Han claimed that NgAgo would work in a mammalian system for efficient genome editing. Prove it!” Enzyme firm invests in NgAgo protein at centre of gene-editing row 2017-01-19T05:00:00Z The neurons, called ‘vector cells’, are a key piece of the mammalian’s brain complex navigation system — and something that neuroscientists have been seeking for years. Sat-nav neurons tell bats where to go 2017-01-11T05:00:00Z Few areas of mammalian physiology were not touched by these methods. Oliver Smithies (1925-2017) : Nature : Nature Research 2017-02-07T05:00:00Z The mammalian pests are a drain on New Zealand’s economy. Behind New Zealand’s wild plan to purge all pests 2017-01-10T05:00:00Z “From an evolutionary perspective, the survival of mammalians depended on drinking milk,” says Hotamisligil. The Case for Eating Cheese is Stronger Than Ever 2017-01-03T05:00:00Z Ms Brindle and Dr Opie have reviewed what data exist about mammalian bacula, especially those of primates and carnivores, and compared these with what is known about different species’ sex lives. Why do some mammals have a bone in their penises? 2016-12-13T05:00:00Z Magdalena Zernicka-Goetz, professor of mammalian development and stem cell biology at the University of Cambridge, who was not involved in the research, said that the new atlas would be extremely helpful to researchers. 3D embryo atlas reveals human development in unprecedented detail 2016-11-24T05:00:00Z Through a series of experiments in the early 1980s, he harnessed homologous recombination to insert a gene into a specific location in the mammalian genome. Oliver Smithies (1925-2017) : Nature : Nature Research 2017-02-07T05:00:00Z They inserted eight wire electrodes into the tiny somatosensory area — the part of the mammalian brain that responds to touch on the skin — into five rats. Playful rats reveal brain region that drives ticklishness 2016-11-09T05:00:00Z In the absence of atomic-level information on mammalian prions, the high-resolution structure of the amyloid of infectious prion HET-s is noteworthy for its further elements of fibril architecture. The activities of amyloids from a structural perspective : Nature : Nature Research 2016-11-08T05:00:00Z Despite lacking a genome, mammalian prions exist as numerous strains that can be serially propagated in laboratory animals and that produce distinct patterns of disease20. Mammalian prions and their wider relevance in neurodegenerative diseases : Nature : Nature Research 2016-11-08T05:00:00Z This semester she is taking classes in mammalian physiology and biochemistry. Maryland women’s basketball cashes in on Shatori Walker-Kimbrough’s chip 2016-11-05T04:00:00Z It is extremely unlikely that close parent-offspring mammalian bonding practices is of risk to babies. Should Your Baby Really Sleep in the Same Room as You? 2016-11-04T04:00:00Z Understanding the origins of variegated colour patterns in mammalian fur is an abiding problem in biology. Deciphering the genes that give mammals their stripes and patterns 2016-11-01T04:00:00Z These are the Artiodactyla, the Perissodactyla and the Primates - the mammalian order that includes humans. Comet impact 'linked' to rise of mammals - BBC News 2016-10-13T04:00:00Z The main goals of future work are to obtain high-resolution structures of infectious mammalian prions and to understand the structural basis of prion strain diversity. Mammalian prions and their wider relevance in neurodegenerative diseases : Nature : Nature Research 2016-11-08T05:00:00Z What may be most surprising to some of us, though, isn’t how violent we are, but rather how we compare to our mammalian cousins. How Human Violence Stacks Up Against Other Killer Animals Humans are "in a position within a particularly violent mammalian clade, in which violence seems to have been ancestrally present," the study in the journal Nature says. Study: As a species, humans inherit murderous tendencies 2016-09-28T04:00:00Z Other animals adopt a range of pigments, and even use optical effects such as iridescence to lend a chromatic gloss, yet the mammalian palette is mainly monochrome. Deciphering the genes that give mammals their stripes and patterns 2016-11-01T04:00:00Z Humans are “in a position within a particularly violent mammalian clade, in which violence seems to have been ancestrally present,” the study in the journal Nature says. Study: As a species, humans inherit murderous tendencies 2016-09-28T04:00:00Z To a mammalian prionologist, aware of the complexity of characterizing and understanding strains composed of a single PrP species, unravelling such complexity seems a daunting task. Mammalian prions and their wider relevance in neurodegenerative diseases : Nature : Nature Research 2016-11-08T05:00:00Z That’s the conclusion of a controversial new study, which reaches far back into our family tree to uncover the evolutionary roots of lethal violence among more than 1000 mammalian species. Why do we kill? Controversial study blames our distant ancestors 2016-09-28T04:00:00Z It's easier to study processes within the tardigrade's cells when the animal's genome is inserted into mammalian cells, says Kunieda. Tardigrade protein helps human DNA to withstand radiation 2016-09-19T04:00:00Z At the aquarium, he noticed that fish moved their tales from side to side, while mammalian aquatic animals, such as whales and dolphins, moved their tails up and down. The Murky History of the Butterfly Stroke 2016-08-11T04:00:00Z But crucially the chemical does not affect similar processes in mammalian cells. One drug is 'new hope' for three killer infections - BBC News 2016-08-08T04:00:00Z Around 80 million years later, the monotremes—or egg-laying mammals—split off from the mammalian lineage, says Rebecca Young, a biologist at the University of Texas at Austin. How the Venomous, Egg-Laying Platypus Evolved 2016-07-30T04:00:00Z Both violence and nonviolence tended to clump along certain branches of the mammalian family tree. Why do we kill? Controversial study blames our distant ancestors 2016-09-28T04:00:00Z Milk is a mammalian innovation, common to platypuses and pangolins, humans and hippos, its ingredients varying according to what each species needs. Breast-Feeding the Microbiome 2016-07-22T04:00:00Z Microbiotas that establish mutualistic relationships with their mammalian hosts are able to influence a multitude of physiological functions, often through modulation of the host's immune system. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z The local containment and functional maintenance of a microbial ecosystem within the host is a formidable challenge for the mammalian innate immune system. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z For part of the mammalian world, however, poison ivy, Toxicodendron radicans, is a food, even a choice delicacy. What Poison Ivy Has Against Us 2016-07-04T04:00:00Z But he didn’t have a molecule that could support those reactions until the late 1990s, when researchers discovered cryptochrome serving as a light sensor in mammalian retinas. The body’s hidden compass—what is it, and how does it work? 2016-06-23T04:00:00Z This, the researchers felt, was worth investigating because L. reuteri was shown, three years ago, to promote the release of oxytocin, a hormone that plays an important role in controlling mammalian social behaviour. Gut feelings 2016-06-15T04:00:00Z “Significantly, this probably represents the first recorded mammalian extinction due to anthropogenic climate change,” the researchers said in their report, quietly published on the Queensland government’s website last week. Revealed: first mammal species wiped out by human-induced climate change 2016-06-13T04:00:00Z It’s not yet clear how best to physically shuttle this DNA into a mammalian cell, or how to design synthetic sequences that keep their host cell functioning normally. Scientists reveal proposal to build human genome from scratch 2016-06-02T04:00:00Z Last week, Timothy Lu and colleagues uploaded a paper to the preprint server bioRxiv.org describing a system called mSCRIBE: mammalian synthetic cellular recorder integrating biological events. Genome editor CRISPR helps trace growth of embryos—and maybe cancer next 2016-05-26T04:00:00Z An eyeless tick’s includes not just the smell of butyric acid, which wafts from mammalian skin, but the years-long wait for a moment of succulent opportunity. The Man Who Became a Goat 2016-05-23T04:00:00Z Because of this, they hold the Guinness World Record for the fastest mammalian eater. The star-nosed mole has 22 "tentacles" on its face and a 10/10 in our book 2016-05-22T04:00:00Z But they are extraordinarily hard to understand, as was made clear last week when molecular biologists for the first time described the regulatory backups for two genes involved in mammalian limb formation. Biologists identify the backup systems that ensure genes build limbs 2016-05-20T04:00:00Z |
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