| 单词 | diffusion |
| 例句 | Hence a possible interpretation seems to me idea diffusion, as in the case of Sequoyah’s syllabary. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Not only did they fear that New York City could be vulnerable to an attack launched from Europe, but also the university’s resources were already stretched thin by Urey’s gaseous diffusion research. Big Science 2015-07-07T00:00:00Z Total diffusion of rapid communication devices, which is supposed to bring about nationalism almost inevitably, had not done so. The Left Hand of Darkness 1969-03-01T00:00:00Z The link between peoples of the North and the South can be seen in the diffusion of corn from Mesoamerica along routes created by the people and used for millennia. An Indigenous People’s History of the United States 2019-07-01T00:00:00Z In connection with the new arrangement, Lawrence received approval for his expanded Alpha II plant, which would supplement the feed from the diffusion process in a final push to produce uranium enriched to weapon-grade. Big Science 2015-07-07T00:00:00Z Once we had that basic interoperable platform, then the killer applications— spreadsheets and word processing—drove its diffusion far and wide. The World Is Flat 2005-04-05T00:00:00Z These examples, at first so bizarre to us, illustrate well the roles of geography and of diffusion in the history of technology. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z At any one point in their history a hasty observer would say that all technological progress and diffusion had ceased. The Left Hand of Darkness 1969-03-01T00:00:00Z Because technology begets more technology, the importance of an invention’s diffusion potentially exceeds the importance of the original invention. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The main obstacle for the diffusion process being developed by Urey was its reliance on uranium hexafluoride gas, the detestable “hex,” which lived up to its nickname by severely corroding every permeable barrier Urey tried. Big Science 2015-07-07T00:00:00Z Cherokee writing remains one of the best-attested examples of a script that arose through idea diffusion. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Sequoyah’s example can serve as a model for how idea diffusion probably led to many writing systems of ancient times as well. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Continental differences in axis orientation affected the diffusion not only of food production but also of other technologies and inventions. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Contrast also the ease of diffusion in Eurasia with its difficulties along the Americas’ north-south axis. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Those legacies of multiple independent domestications may provide further testimony to the slow diffusion of crops along the Americas’ north-south axis. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Let us now summarize how variations in these three factors—time of onset of food production, barriers to diffusion, and human population size—led straightforwardly to the observed intercontinental differences in the development of technology. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The preceding paragraph gave examples of blueprint copying, whereas the transfer of Chinese porcelain technology to Europe provides an instance of long-drawn-out idea diffusion. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z All other societies that have become literate did so by the diffusion of writing systems or of the idea of writing from one of those few primary centers. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Droysen used the term to refer to the diffusion of Greek culture over previously non-Greek areas, such as Persia, Syria, and Egypt. Circumference 2008-11-25T00:00:00Z Diffusion worked as a “cascade”—in steps, with each cycle of diffusion incrementally increasing the concentration of U-235 in the feedstock produced by the previous cycles. Big Science 2015-07-07T00:00:00Z “But the focus of your lens is flawed. There is very little diffusion.” The Name of the Wind 2007-03-27T00:00:00Z To take a recent example, historians are still debating whether blueprint copying or idea diffusion contributed more to Russia’s building of an atomic bomb. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Africa’s north-south axis posed a further obstacle to the diffusion of technology, both between Eurasia and sub-Saharan Africa and within the sub-Saharan region itself. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The diffusion of a chemical through a matrix of protein can even create distinct, three-dimensional patterns—like a pool of syrup ribboning into oatmeal. The Gene 2016-06-02T00:00:00Z While Chapter 12 illustrated those alternatives for the spread of writing, they also apply to the diffusion of technology. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Quantitative data should also be assembled to test my preliminary calculations suggesting differing rates of diffusion along the major axes of Eurasia, the Americas, and Africa. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The diffusion of writing from its sites of origin also raises important questions. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The importance of diffusion, and of geographic location in making it possible, is strikingly illustrated by some otherwise incomprehensible cases of societies that abandoned powerful technologies. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z It symbolized the victory of diffusion over consolidation. Founding Brothers: The Revolutionary Generation 2000-10-17T00:00:00Z That knowledge may nevertheless inspire others, by idea diffusion, to devise their own routes to such a result. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z For much of this book I have emphasized the diffusion of technology that takes place in the absence of formidable barriers. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z As with the agent code-named REST, the diffusion method was Fuchs's area of expertise. Spies: The Secret Showdown Between America and Russia 2019-10-01T00:00:00Z At the opposite end lies “idea diffusion,” when you receive little more than the basic idea and have to reinvent the details. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z All these effects that continental differences in area, population, ease of diffusion, and onset of food production exerted on the rise of technology became exaggerated, because technology catalyzes itself. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z In certain other parts of the world, slow north-south diffusion was important on a smaller scale. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z When societies do adopt a new technology from the society that invented it, the diffusion may occur in many different contexts. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z In Chapter 12 we saw that cultural diffusion can involve either detailed “blueprints” or just vague ideas stimulating a reinvention of details. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z In contrast, crop diffusion from Indonesia south to southwestern Australia was completely impossible, and diffusion over the much shorter distance from Mexico to the U.S. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z In addition, as we’ve seen in this chapter, local technology depends, for both its origin and its maintenance, not only on local invention but also on the diffusion of technology from elsewhere. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Depending on their geographic location, societies differ in how readily they can receive technology by diffusion from other societies. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z But similar reasoning also applies to the diffusion of technological innovations, insofar as they are best suited without modification to specific environments. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z A New World example of technological diffusion is metallurgy, which spread from the Andes via Panama to Mesoamerica. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Let’s now examine how blueprint copying and idea diffusion contributed to the spread of writing systems. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z He arrived at the Rad Lab skeptical about electromagnetic separation, having been convinced of the superiority of gaseous diffusion by his technical advisors, who came from a petroleum industry familiar with that technology. Big Science 2015-07-07T00:00:00Z Without diffusion, fewer technologies are acquired, and more existing technologies are lost. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Again and again, people with access to the prerequisites for food production, and with a location favoring diffusion of technology from elsewhere, replaced peoples lacking these advantages. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z By means of this medicine she was cured of an intermittent fever, and after her return to Spain she aided in the diffusion of the remedy. New Word-Analysis 1871-01-01T00:00:00Z Working on a navy contract quietly and virtually single-handedly at the Philadelphia Navy Yard, Lawrence’s former graduate student Philip Abelson had perfected a way of enriching uranium by thermal diffusion. Big Science 2015-07-07T00:00:00Z Africa and the Americas are thus the two largest landmasses with a predominantly north-south axis and resulting slow diffusion. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z But interhemispheric diffusion made no contribution to Native America’s complex societies, isolated from Eurasia at low latitudes by broad oceans, and at high latitudes by geography and by a climate suitable just for hunting-gathering. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z None of the four options for uranium enrichment—electromagnetic or thermal separation, gaseous diffusion, or the centrifuge—had clearly outdistanced the others, so none could be ruled out. Big Science 2015-07-07T00:00:00Z As striking as these effects of barriers on crop and livestock diffusion are the effects on other features of human societies. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z The concert journeyed through Spain, Italy, France, England and Germany, showing how the chaconne was an elegant example of cultural diffusion, transmuting in mood as it traveled, while retaining its basic character. Music Review: ‘The Art and Ecstasy of the Chaconne,’ at Ethical Culture 2012-10-05T22:24:13Z The pavilion would have brought a replica Kremlin and a St Basil’s Cathedral to US soil, in a symbolic diffusion of the cold war fit to adorn endless history books. Tragic kingdoms – the Disney lands that flopped 2017-04-24T04:00:00Z The project uses an innovative technique called diffusion MRI which measures the movement of water molecules to map pathways between the brain's neurons. Human behaviour: is it all in the brain – or the mind? 2013-06-29T23:05:40Z Few, if any, new works by exiled writers enjoy such wide diffusion. Can one man’s Cuban road trip fix 56 years of cultural disconnect? 2015-05-04T04:00:00Z “It’s a bit lower over there, and you get this diffusion of the sound across the trees and foliage,” he says with a look of satisfaction. At the Museum of Contemporary Art Chicago: Hear! Hear! 2015-10-14T04:00:00Z Such interdisciplinary events, from the Museum of the City of New York, El Museo del Barrio and American Irish Historical Society, examine issues surrounding identity, cultural diffusion and what it means to be an American. Carnegie Hall Festival to Celebrate Migration and America 2019-03-01T05:00:00Z “Compliance” can certainly be read as an allegory on blind allegiance to authority and the diffusion of responsibility. ‘Compliance’ Raises Questions About Human Behavior 2012-08-10T21:29:29Z Billed as an “international laboratory for the creation and diffusion of contemporary art,” it is a private non-profit association. Scene/Seen: The Cozy Chaos of the Brussels Art World 2011-07-22T11:00:06Z She eventually began suffering from shortness of breath, dizziness and fainting spells, which led to a diagnosis of pulmonary diffusion defect, a subcategory of pulmonary fibrosis. A Woman, Her Best Friend, and a Quick Walk Down the Aisle? 2019-01-31T05:00:00Z These designers' corporate and creative decisions were arguably more tightly controlled than Halston's devil-may-care diffusion. Halston: The glittering rise — and spectacular fall — of a fashion icon 2021-05-24T04:00:00Z The show demonstrates the diffusion of styles within set forms in its compare-and-contrast groupings. Art Review: Glimpsing Africa Anew in Its Art 2011-06-23T21:58:34Z But French “subsidiaries” are either non-existent, hidden or given slightly pejorative names, like “diffusion” line. Chloe and Rykiel Secondary Lines Are Coming Into Their Own 2012-02-28T17:49:32Z According to the fashion historian and author Caroline Rennolds Milbank, that diffusion line is now considered “disastrous” even though when the collection was introduced, “it was a big success with great reviews and great sales.” First Stop: Target. Next Stop: eBay. 2011-10-12T20:06:28Z In Ms. Rose’s fashion presentation, among the first of New York Fashion Week, those ponytailed mannequins showed off the cheery elements of Pearl, Ms. Rose’s new diffusion line. ‘Nothing Says Chic Like Matching Your Drink to Your Dress’ 2018-02-07T05:00:00Z As the second gallery gives way to the third the show suddenly shifts gears, turning to the diffusion of Mughal naturalism throughout provincial courts, both Hindu and Muslim. Art Review: Putting Names to the Greats of Indian Art 2011-09-29T22:39:43Z "Was there a model for this cultural diffusion, or have people heard the stories and looked for an originating figure because we all want to believe that this character may have existed?" Looking for Robin 2010-04-14T07:00:00Z That water then dissolves the salt on the surface of the meat and, through diffusion, the two re-enter the meat, seasoning the chicken thoroughly. Three Ways to a Better Chicken Breast 2021-06-04T04:00:00Z Which is true, commercially speaking, and essentially positions the Meta looks as the NewGen equivalent of a lipstick: the ultimate in diffusion lines, almost all barriers to entry erased. The Avatars Wear Prada 2022-06-22T04:00:00Z Most hotels use what’s called cold air diffusion, essentially a nebulizer that converts cool air and scented oil into a fine mist. A bed, a bath and a whiff of jasmine: Hotels try to lure customers with signature scents 2019-09-19T04:00:00Z Away went the curved side balconies and curved back wall that Mr. Harris had identified as obstacles to the proper diffusion of sound. Cyril Harris Dies at 93; Fine-Tuned Concert Halls 2011-01-09T02:20:26Z In many ways, Ferrari was already a diffusion line: The flashy sports cars sell for prices that reach into the millions because they are road-ready counterparts to the unattainable racecars of Formula 1 dreams. Ferrari Is Racing Into Fashion 2021-06-16T04:00:00Z The diffusion of classical learning in general and Aldo’s books in particular stimulated a new demand for secular works of art. In Venice, the Power of the Press on Display 2016-05-05T04:00:00Z Buzz knows no season, and schedule diffusion enables smaller shows that might have been buried during glut times to break through during more fallow weeks. ‘Fall TV’ Is Dead. But Buzz Will Always Be With Us. 2022-09-06T04:00:00Z Such shows may attract viewers, but it’s not clear how much they foster the Society’s founding ideal of “the increase and diffusion of geographical knowledge.” National Geographic explores new frontiers with Gary Knell at the helm There are two different lines: Never The Bride, a more high end line, and the diffusion line is called Magdalene. Courtney Love Is Still America’s Sweetheart 2014-02-21T15:18:36Z “The whole point of diffusion brands is that they are less expensive,” she said. First Stop: Target. Next Stop: eBay. 2011-10-12T20:06:28Z It gets at their grab bag of dance styles and vocabularies and the sense of masterly choreographic design producing its own diffusion, an orderly entropy. Review: A Tere O’Connor Dance That Ebbs, Flows and Weaves 2022-12-09T05:00:00Z Philip Green turned Topshop around by bringing in up-and-coming London fashion week designers to create diffusion lines, then launched a collection by Kate Moss. Rihanna at River Island: celebrity cash-in or birth of a new designer? 2013-02-17T00:18:25Z As a result, the politics of Total War, in which the entire resources of one nation are pitched against those of another, don’t just call for proliferation but diffusion as well. Weird suburbia: How atomic bombs and UFOs created modern America 2014-03-16T18:00:00Z She moved to New York in 2018 to join the design team of the designer’s diffusion line called the Marc Jacobs. Hotel Life Without the Hotel 2022-04-05T04:00:00Z “Additives that would change wine viscosity without changing the taste might be used. These results pave the way towards fine tuning of champagne aroma diffusion.” Champagne tastes better with bigger bubbles, study finds 2016-12-23T05:00:00Z Early in his career, he experimented with what's known as "brand diffusion" – which is companies' use of the same brand name on items at varying price points. Halston: The glittering rise — and spectacular fall — of a fashion icon 2021-05-24T04:00:00Z I wasn’t sure exactly what I meant by the question—whether I was inquiring about a rhythmic influence or a spiritual one, some kind of widening or diffusion. A Quest to Rename the Williamsburg Bridge for Sonny Rollins 2017-04-05T04:00:00Z On Saturday night, Italian fashion house Versace's Versus diffusion line presented a mix of leather jackets, skirts and slim trousers as well as looser sporty outfits. Winter mountain wonderland for Anya Hindmarch at London fashion week 2017-02-19T05:00:00Z “Yes, there was a revolution in design, but diffusion between countries was very limited.” Latin American Design and Architecture Through the Years 2015-03-26T04:00:00Z “I want to design for women no matter their budget, age, or size,” said Beckham of her Target debut, a diffusion of her Victoria Victoria Beckham line. Posh taste, poor timing: Does Victoria Beckham’s Target fashion democratize luxury or glorify gratuitous wealth? 2017-04-01T04:00:00Z She wondered if the same might eventually be true of the more-recent discount diffusion lines. First Stop: Target. Next Stop: eBay. 2011-10-12T20:06:28Z After teasing the audience with an arthouse-inflected diffusion of narrative for its first half, “Clean” goes full grindhouse in the second. ‘Clean’ Review: Taking Out the Trash 2022-01-27T05:00:00Z He instead showed his diffusion line, Marc by Marc Jacobs, in the usual Monday time slot. On the Runway Blog: Marc Jacobs: Secondary Line in Prime Time 2011-09-13T03:35:16Z She also takes up the question of whether the similarity among tales from widely separated cultures is due to diffusion or humankind’s collective unconscious. Michael Dirda reviews five fairy-tale books 2014-12-24T05:00:00Z It will feature photography, short film and the diffusion of a scent meant to capture a local meat market and fear-induced body odors. Can Scent Be Democratized? 2022-03-18T04:00:00Z But cultural diffusion is different from cultural appropriation. Perspective | Here’s why Palestinians object to the term ‘Israeli food’: It erases us from history 2020-02-14T05:00:00Z “Changing people’s perception of who we are will be the measure of success for these ads,” Ms. Kolb said, noting the institution’s stated goal of “the increase and diffusion of knowledge.” Smithsonian Seeks to Remake Stodgy Image 2012-09-20T16:06:14Z "Surely Turing's mechanism can produce patterns, but diffusion doesn't yield sharp patterns," said corresponding author Ankur Gupta, an assistant professor in the Department of Chemical and Biological Engineering. How animals get their stripes and spots 2023-11-08T05:00:00Z The higher the transit velocity, the smaller this peak became, which may be due to the increase in the relative velocity between exhaled air and ambient air that facilitated particle diffusion. Risk of viral airborne transmission peaks within 5 seconds of face-to-face encounters 2023-10-31T04:00:00Z Experts attributed the haze in Beijing, which has lasted for several days, to poor atmospheric diffusion because of unseasonably weak cold air currents from the north. Haze lingers in Beijing as fog blankets parts of north China 2023-11-01T04:00:00Z Eisen has criticized the paywalls still in place at many subscription journals as slowing the progress of science and the diffusion of useful findings. Prominent journal editor fired for endorsing satirical article about Israel-Hamas conflict 2023-10-24T04:00:00Z The development of tumors begins with miniscule changes within the body's cells; ion diffusion at the smallest scales is decisive in the performance of batteries. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z Training the algorithms also involved combing through all the experimental literature on solvent diffusion through polymers to build an enormous dataset. New polymer membranes, AI predictions could dramatically reduce energy, water use in oil refining 2023-10-16T04:00:00Z This diffusion approach differs from traditional methods, where target molecules and the aptamer library are mixed in a solution and then filtered through a thin membrane. Novel hydrogel finds new aptamers, or 'chemical antibodies,' in days 2023-10-16T04:00:00Z Although AI has been in development for decades, the most popular of today's image generators use a technique called a diffusion model, which is relatively new on the AI scene. See How AI Generates Images from Text 2023-09-22T04:00:00Z The researchers found that PDEs that model diffusion have a structure that is useful for designing AI models. Machine learning models can produce reliable results even with limited training data 2023-09-19T04:00:00Z The researchers were able to successfully analyze the diffusion of water molecules within the microstructure. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z Stock says cases like that are getting rarer under a review system he put in place in 2016, and now “inappropriate” notices and diffusions account for just 5% of the overall total. Interpol at 100: A mixed legacy of hunting fugitives and merging police data from 195 countries 2023-09-06T04:00:00Z The Labor Department's hiring diffusion index, which is released with the monthly payrolls data and tracks how many industries are adding jobs, rose to 63.8 in August from 56.8 in July. Hiring breadth across US industries picked up in August 2023-09-01T04:00:00Z He concluded the change "could have some legs," with rising investment in software and information processing possibly pointing to the diffusion of artificial intelligence applications. Fed's long-term GDP outlook is dismal; the economy hasn't got the message yet 2023-08-21T04:00:00Z It does this by diffusion, the same principle as when perfume’s scent spreads through a room. Don’t tell Nonna: Science says this is the ‘right’ way to cook pasta 2023-08-08T04:00:00Z NMR methods can also be used to visualize the diffusion of water and other elements. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z Ben Keith, a human rights lawyer, said he has dozens of cases of people contesting spurious diffusions and red notices since 2016, about half of them from China. Interpol at 100: A mixed legacy of hunting fugitives and merging police data from 195 countries 2023-09-06T04:00:00Z But it is not clear whether August's diffusion index rebound will last. Hiring breadth across US industries picked up in August 2023-09-01T04:00:00Z In a recent preprint study, Sarkar and his colleagues in Madrid and Edinburgh conducted a similar experiment with a type of AI image generator called a diffusion model. AI-Generated Data Can Poison Future AI Models 2023-07-28T04:00:00Z Driven by diffusion, boiling water molecules will penetrate to the center of a strand of typical-thickness spaghetti in about 10 minutes. Don’t tell Nonna: Science says this is the ‘right’ way to cook pasta 2023-08-08T04:00:00Z So why did Europeans serve as agents of diffusion for this idea? Untangling the deep and troubled roots of democracy can help define its future 2023-07-22T04:00:00Z “Hopefully, the engagements bilaterally between the United States and China leads to the diffusion of tensions in that theatre,” said Teodoro. Philippines closely monitors threat of invasion of Taiwan - defence chief 2023-07-20T04:00:00Z With no higher authority or organization propelling the content, social scientists call this a bottom-up social diffusion process. Why people tend to believe UFOs are extraterrestrial 2023-07-19T04:00:00Z These could also hamper technological diffusion, both between major technological hubs and to developing economies. IMF sees 'pockets of resilience,' slowing momentum in global economy 2023-07-13T04:00:00Z Interestingly, diffusion slows down over time; in pasta twice the typical-spaghetti thickness, the water would take 40 minutes. Don’t tell Nonna: Science says this is the ‘right’ way to cook pasta 2023-08-08T04:00:00Z The group draws power from its diffusion — 275 chapters in 45 states with nearly 115,000 members, it claims — and the social issues that animate it. Moms for Liberty’s School Board Antagonism Draws G.O.P. Heavyweights 2023-06-29T04:00:00Z In the cerebellum, which is responsible for motor control, there was more restricted diffusion of water molecules. New evidence suggests COVID alters the brain — but the extent of changes is unclear 2023-06-17T04:00:00Z In contrast, top-down diffusion occurs when information emanates from centralized agents or organizations. Why people tend to believe UFOs are extraterrestrial 2023-07-19T04:00:00Z In the 1950s, as the nuclear era began in earnest, Piketon became the site of one of two enormous enrichment facilities in the Ohio River Valley region, where a process called gaseous diffusion was used. The U.S. Is Paying Billions to Russia’s Nuclear Agency. Here’s Why. 2023-06-14T04:00:00Z Though water diffusion is much slower at room temperature, after two hours the pasta becomes soft. Don’t tell Nonna: Science says this is the ‘right’ way to cook pasta 2023-08-08T04:00:00Z "I think RF diffusion is a step change compared to what we had before," says Prof Baker. How the power of protein is being uncovered 2023-05-18T04:00:00Z Social media are closely associated with the diffusion of these and other divisive ideas. Our Shifting Understanding of Democracy Is Fueling Populism and Culture Wars 2023-05-25T04:00:00Z The left image shows bottom-up diffusion, in which information spreads from person to person. Why people tend to believe UFOs are extraterrestrial 2023-07-19T04:00:00Z The centrifuge plant in Piketon, operated by Centrus Energy, occupies a corner of the site of the old gaseous diffusion facility. The U.S. Is Paying Billions to Russia’s Nuclear Agency. Here’s Why. 2023-06-14T04:00:00Z Not until the invention of the typewriter in the late nineteenth century and the Internet in the late twentieth century would comparable changes to the diffusion of information come about. Western Civilization: A Concise History 2020-01-01T00:00:00Z It contains no blood vessels, and is nourished by diffusion from the dermis. Fundamentals of Biology 2015-01-01T00:00:00Z Another social interaction crucial to the widespread diffusion of Islam was intermarriage between Muslim traders and local women, who raised their children as Muslims. World History: from 1400 2022-12-14T00:00:00Z The spread of monotheistic belief systems like Christianity and Islam throughout Africa proceeded along many fronts, including military conquest, commercial exchange, and cultural diffusion. World History: to 1500 2023-04-19T00:00:00Z Solvent density: As the density of the solvent increases, the rate of diffusion decreases. Concepts of Biology 2013-04-25T00:00:00Z “They went beyond these branches of spiritual identity or the diffusion of faith,” Chávez said. How Mexico City’s mural movement transformed walls into art 2023-05-06T04:00:00Z For this type of digestion, in which food particles are digested within individual cells, the sponge draws water through diffusion. Fundamentals of Biology 2015-01-01T00:00:00Z These trading centers made possible not only the widespread distribution of raw materials and finished products necessary for commerce to thrive but also the diffusion of cultural influences, including religion, to other civilizations. World History: from 1400 2022-12-14T00:00:00Z How did the Silk Roads help in the diffusion of culture? World History: to 1500 2023-04-19T00:00:00Z Whereas diffusion transports material across membranes and within cells, osmosis transports only water across a membrane and the membrane limits the diffusion of solutes in the water. Concepts of Biology 2013-04-25T00:00:00Z These include diffusion models, an approach used in many image-generation AI tools that makes it easier to manipulate complex, multidimensional data. Proteins Never Seen in Nature Are Designed Using AI to Address Biomedical and Industrial Problems Unsolved by Evolution 2023-04-28T04:00:00Z All cell types within the sponge obtain oxygen from water through diffusion. Fundamentals of Biology 2015-01-01T00:00:00Z Many economists believe that communication is the lubricant that spurred the diffusion of scientific advances, useful inventions, and technological improvements. AI was supposed to save the internet, not destroy it 2023-04-22T04:00:00Z One of the most significant results of this trade-based diffusion of Islamic culture in South and East Asia was the emergence of powerful states such as Indonesia, which has the world’s largest Muslim population today. World History: to 1500 2023-04-19T00:00:00Z This diffusion of water through the membrane—osmosis—will continue until the concentration gradient of water goes to zero. Concepts of Biology 2013-04-25T00:00:00Z Many of the newest fake images rely on AI programs, known as diffusion models, that allow anyone to type in a short prompt of words and create a fake photo for free. ‘Claudia’ offers nude photos for pay. Experts say she’s an AI fake. 2023-04-11T04:00:00Z Likewise, carbon dioxide is released into seawater by diffusion. Fundamentals of Biology 2015-01-01T00:00:00Z Many expected a golden age as the development and diffusion of new innovations accelerated. AI was supposed to save the internet, not destroy it 2023-04-22T04:00:00Z The diffusion of Muslim culture into Sogdiana prompted many Sogdian merchants and traders to convert, seeing benefits that included reliable contracts among believers to safeguard goods moving along the Silk Roads. World History: to 1500 2023-04-19T00:00:00Z The passive forms of transport, diffusion and osmosis, move material of small molecular weight. Concepts of Biology 2013-04-25T00:00:00Z Where deepfakes used deep-learning AI techniques to edit existing videos, diffusion models generate entirely new photos by following the patterns found across the billions of images they’ve analyzed before. ‘Claudia’ offers nude photos for pay. Experts say she’s an AI fake. 2023-04-11T04:00:00Z In addition, nitrogenous waste produced as a byproduct of protein metabolism is excreted via diffusion by individual cells into the water as it passes through the sponge. Fundamentals of Biology 2015-01-01T00:00:00Z Then, a second neural network, called a diffusion model, creates the image and generates the pixels needed for the features. Instant Videos Could Represent the Next Leap in A.I. Technology 2023-04-04T04:00:00Z How was this diffusion of ideas and technologies connected to, but not a product of, trade via the Silk Roads? World History: to 1500 2023-04-19T00:00:00Z Many factors can affect the rate of diffusion, including concentration gradient, the sizes of the particles that are diffusing, and the temperature of the system. Concepts of Biology 2013-04-25T00:00:00Z The group also looked back at history, tracing routes of cultural diffusion between Africa and Asia, locating the history of trading diasporas that connected ancestral nations and kingdoms through maritime travel. Wing Luke’s ‘Back Home’ explores links within Black and brown communities 2023-03-18T04:00:00Z Cnidarian cells exchange oxygen and carbon dioxide by diffusion between cells in the epidermis with water in the environment, and between cells in the gastrodermis with water in the gastrovascular cavity. Fundamentals of Biology 2015-01-01T00:00:00Z In the recent study, the researchers used Stable Diffusion, a so-called diffusion model from London-based start-up Stability AI. AI Can Re-create What You See from a Brain Scan 2023-03-17T04:00:00Z Initially, the diffusion of the Bantu speakers south of the rainforest followed an easterly direction and hugged the southern and eastern edges of the rainforest. World History: to 1500 2023-04-19T00:00:00Z Like the sponges, Cnidarian cells exchange oxygen, carbon dioxide, and nitrogenous wastes by diffusion between cells in the epidermis and gastrodermis with water. Concepts of Biology 2013-04-25T00:00:00Z Importantly, the stable diffusion algorithm doesn’t receive a text prompt directly from the test data—it can only infer that an object is present if the brain pattern matches one seen in the training data. AI re-creates what people see by reading their brain scans 2023-03-06T05:00:00Z This layer is so thin that molecules such as oxygen, water and lipids can pass through them by diffusion and enter the tissues. Fundamentals of Biology 2015-01-01T00:00:00Z The novel also meditates on the cultural diffusion that permeates modern India, for better or worse. Review | ‘Tomb of Sand’ meditates on the cultural diffusion that permeates India 2023-02-03T05:00:00Z Then, a second neural network — called a diffusion model — generates the pixels needed to realize these features. A.I. Turns Its Artistry to Creating New Human Proteins 2023-01-09T05:00:00Z Since there is no circulatory or respiratory system, gas and nutrient exchange is dependent on diffusion and intercellular junctions. Concepts of Biology 2013-04-25T00:00:00Z Barth ultimately “embraced the grid” and used it as the organizing basis of her highly deliberate sequence of images that vary in size, scope of view, degree of focus, and intensity or diffusion of color. For artist Uta Barth, learning to photograph is a way of learning to see 2022-12-29T05:00:00Z The surface-to-volume ratio of a sphere is 3/r; as the cell gets bigger, its surface to volume ratio decreases, making diffusion less efficient. Fundamentals of Biology 2015-01-01T00:00:00Z Bacteria need to be tiny, researchers thought, because they lack the internal transport systems found in other cells and depend on diffusion to move nutrients and wastes. Science’s 2022 Breakthrough of the Year: A telescope’s golden eye sees the universe anew 2022-12-14T05:00:00Z The diffusion model is trained on a series of images in which noise — imperfection — is gradually added to a photograph until it becomes a sea of random pixels. A.I. Turns Its Artistry to Creating New Human Proteins 2023-01-09T05:00:00Z In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion. Concepts of Biology 2013-04-25T00:00:00Z Obviously that wasn’t the case here, and that’s a massive failure of oversight of risk management and of diffusion of responsibility from myself running FTX. Transcript of Sam Bankman-Fried’s Interview at the DealBook Summit 2022-12-01T05:00:00Z In small plants such as single-celled algae, simple diffusion suffices to distribute water and nutrients throughout the organism. Fundamentals of Biology 2015-01-01T00:00:00Z It implemented a machine-learning technique called diffusion, in which images emerge from “noise,” guided by context or text descriptions. Science’s 2022 Breakthrough of the Year: A telescope’s golden eye sees the universe anew 2022-12-14T05:00:00Z Researchers can provide a rough outline for the protein they want, then a diffusion model can generate its three-dimensional shape. A.I. Turns Its Artistry to Creating New Human Proteins 2023-01-09T05:00:00Z Rather the different concentrations of materials in different areas are a form of potential energy, and diffusion is the dissipation of that potential energy as materials move down their concentration gradients, from high to low. Concepts of Biology 2013-04-25T00:00:00Z There is a diffusion of responsibility to some extent. Transcript of Sam Bankman-Fried’s Interview at the DealBook Summit 2022-12-01T05:00:00Z An important concept in understanding how efficient diffusion is as a means of transport is the surface to volume ratio. Fundamentals of Biology 2015-01-01T00:00:00Z Several diffusion models became available for public use this year, and an artist using one won a fine art competition, stirring both curiosity and acrimony. Science’s 2022 Breakthrough of the Year: A telescope’s golden eye sees the universe anew 2022-12-14T05:00:00Z The bequeath of funds provided in the will of James Smithson was to establish an institution for “the increase and diffusion of knowledge among men.” Opinion | The critic was right: New museums belong on an extended National Mall 2022-11-18T05:00:00Z In living systems, diffusion of some substances would be slow or difficult without membrane proteins. Concepts of Biology 2013-04-25T00:00:00Z The experts had advised us to use what are known as diffusion tubes - small brass cylinders with a filter inside that absorbs pollutants. Air pollution: Uncovering the dirty secret behind BP’s bumper profits 2022-11-11T05:00:00Z The coelom also provides space for the diffusion of gases and nutrients, as well as body flexibility, promoting improved animal motility. Fundamentals of Biology 2015-01-01T00:00:00Z At the same time, Meta, Google, and others released diffusion models that can conjure videos. Science’s 2022 Breakthrough of the Year: A telescope’s golden eye sees the universe anew 2022-12-14T05:00:00Z The diffusion of the people who spread disinformation has radicalized political discourse, said Nora Benavidez, senior counsel at Free Press, an advocacy group for digital rights and accountability. How Disinformation Splintered and Became More Intractable 2022-10-20T04:00:00Z Molecules of oxygen and carbon dioxide have no charge and pass through by simple diffusion. Concepts of Biology 2013-04-25T00:00:00Z One company's intervention may backfire and promote cross-platform diffusion of misinformation. Is social media ready for midterm election misinformation? Experts grade Facebook, TikTok, Twitter 2022-10-19T04:00:00Z They rely on passive diffusion for nutrient transport across their body. Fundamentals of Biology 2015-01-01T00:00:00Z Imagine how a drop of food coloring spreads in a glass of water — that's diffusion. Why does nature create patterns? 2022-09-23T04:00:00Z She wrote in Time magazine, “the queen’s ministers not only knew of systematic British-directed violence in the empire, they also participated in its crafting, diffusion, and cover-up, which was as routinized as the violence itself.” A complicated goodbye to Queen Elizabeth II 2022-09-19T04:00:00Z Gas exchange, circulation, and excretion occur by diffusion between cells and the water. Concepts of Biology 2013-04-25T00:00:00Z This summer, he got invited to a Discord chat server where people were testing Midjourney, which uses a complex process known as “diffusion” to turn text into custom images. An A.I.-Generated Picture Won an Art Prize. Artists Aren’t Happy. 2022-09-02T04:00:00Z There is neither a circulatory nor respiratory system, with gas and nutrient exchange dependent on diffusion and cell-cell junctions. Fundamentals of Biology 2015-01-01T00:00:00Z The productivity dive is still being dissected, attributed to everything from difficulty finding the next big idea, the slow diffusion of new technology, or the recent concentration of hiring in less-productive service-sector jobs. Wake up and smell the coffee: Low-growth, high-inflation era beckons post-pandemic America 2022-08-25T04:00:00Z The most important of these are the Coulomb force and diffusion. College Physics for AP Courses 2015-08-12T00:00:00Z We are often interested in the rate of diffusion, the amount of gas passing through some area per unit time: Chemistry 2019-02-14T00:00:00Z Unloading at the sink end of the phloem tube occurs by either diffusion or active transport of sucrose molecules from an area of high concentration to one of low concentration. Biology for AP Courses 2022-06-09T00:00:00Z It is difficult to generalize about West Africa, which was linked to the rise and diffusion of Islam. U.S. History 2014-12-30T00:00:00Z Therefore, the pattern of diffusion on which the original theory rests may no longer be accurate, because people are moving around in more, and often unpredictable, directions. American Government 2021-07-28T00:00:00Z This sodium-potassium pump is an example of active transport, wherein cell energy is used to move ions across membranes against diffusion gradients and the Coulomb force. College Physics for AP Courses 2015-08-12T00:00:00Z Although diffusion and effusion rates both depend on the molar mass of the gas involved, their rates are not equal; however, the ratios of their rates are the same. Chemistry 2019-02-14T00:00:00Z If a cell is a single-celled microorganism, such as an amoeba, it can satisfy all of its nutrient and waste needs through diffusion. Biology for AP Courses 2022-06-09T00:00:00Z One incorrect assumption was that Earth is solid and that the cooling was therefore via conduction only, hence justifying the use of the diffusion equation. Calculus, Volume 3 2016-03-30T00:00:00Z The diffusion of these cultures throughout the United States is attributed to the migratory patterns of immigrants who settled in and spread out across the country from the east to the west coast. American Government 2021-07-28T00:00:00Z This type of diffusion is called free diffusion, because there are no barriers inhibiting it. College Physics for AP Courses 2015-08-12T00:00:00Z The process is one of diffusion because the other side of the barrier is not evacuated. Chemistry 2019-02-14T00:00:00Z The surface-to-volume ratio of a sphere is 3/r; as the cell gets bigger, its surface area to volume ratio decreases, making diffusion less efficient. Biology for AP Courses 2022-06-09T00:00:00Z Facilitated diffusion does not require any cellular energy. Miller & Levine Biology 2018-01-01T00:00:00Z Many nutrients move through the soil and into the root system as a result of concentration gradients, moving by diffusion from high to low concentrations. Environmental Biology 2018-09-06T00:00:00Z The net rate of diffusion is higher initially than after the process is partially completed. College Physics for AP Courses 2015-08-12T00:00:00Z In a closed environment, diffusion will ultimately result in equal concentrations of gas throughout, as depicted in Figure 9.27. Chemistry 2019-02-14T00:00:00Z The wavy lines seen between the lacunae are microchannels called canaliculi; they connect the lacunae to aid diffusion between the cells. Biology for AP Courses 2022-06-09T00:00:00Z Osmosis is the diffusion of water through a selectively permeable membrane, such as the cell membrane. Miller & Levine Biology 2018-01-01T00:00:00Z The relationships described by Darcy’s Law have close similarities to Fourier’s law in the field of heat conduction, Ohm’s law in the field of electrical networks, or Fick’s law in diffusion theory. An Introduction to Geology 2017-01-01T00:00:00Z The net rate of diffusion is proportional to the concentration difference. College Physics for AP Courses 2015-08-12T00:00:00Z Note also that the time required for diffusion to occur is inversely proportional to the rate of diffusion, as shown in the rate of diffusion equation. Chemistry 2019-02-14T00:00:00Z Villi and microvilli increase the surface area of the small intestine, which increases the absorption of nutrients by diffusion. Biology for AP Courses 2022-06-09T00:00:00Z This allows cells to store substances in a particular location even when diffusion would tend to move these substances in the opposite direction. Miller & Levine Biology 2018-01-01T00:00:00Z Some substances move across the placenta by simple diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z Many of the factors that affect the rate are hidden in the diffusion constant D . College Physics for AP Courses 2015-08-12T00:00:00Z Show that the ratio of the rate of diffusion of Gas 1 to the rate of diffusion of Gas 2, is the same at 0 °C and 100 °C. Chemistry 2019-02-14T00:00:00Z The diffusion of K+ out of the cell actually hyperpolarizes the cell, in that the membrane potential becomes more negative than the cell's normal resting potential. Biology for AP Courses 2022-06-09T00:00:00Z Plants with water-conducting tissue can draw water to greater heights than is allowed by simple diffusion, allowing them to grow much larger. Miller & Levine Biology 2018-01-01T00:00:00Z To resolve this, a specialized carrier protein called the glucose transporter will transfer glucose molecules into the cell to facilitate its inward diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z The result is two layers of charge right on the membrane, with diffusion being balanced by the Coulomb force. College Physics for AP Courses 2015-08-12T00:00:00Z This is the pressure that must be applied to the solution to prevent diffusion of molecules of pure solvent through a semipermeable membrane into the solution. Chemistry 2019-02-14T00:00:00Z This results from an insulin-mediated increase in the number of glucose transporter proteins in cell membranes, which remove glucose from circulation by facilitated diffusion. Biology for AP Courses 2022-06-09T00:00:00Z In facilitated diffusion, molecules that cannot diffuse through the membrane pass through protein channels. Miller & Levine Biology 2018-01-01T00:00:00Z There are many other solutes that must undergo facilitated diffusion to move into a cell, such as amino acids, or to move out of a cell, such as wastes. Anatomy and Physiology 2013-06-19T00:00:00Z Below that, Figure 30.33 reveals the diffusion of a fluorescent dye in water by observing it under UV light. College Physics for AP Courses 2015-08-12T00:00:00Z The absorption of light causes the pores of the sponge to change size, allowing gas diffusion to be controlled. Chemistry 2019-02-14T00:00:00Z ADH initiates a series of events that leads to the movement of water out of the kidneys through simple diffusion. Biology for AP Courses 2022-06-09T00:00:00Z Osmosis is the diffusion of water through a selectively permeable membrane. Miller & Levine Biology 2018-01-01T00:00:00Z Because facilitated diffusion is a passive process, it does not require energy expenditure by the cell. Anatomy and Physiology 2013-06-19T00:00:00Z Because diffusion is typically very slow, its most important effects occur over small distances. College Physics for AP Courses 2015-08-12T00:00:00Z A gas of unknown identity diffuses at a rate of 83.3 mL/s in a diffusion apparatus in which carbon dioxide diffuses at the rate of 102 mL/s. Chemistry 2019-02-14T00:00:00Z However, studying the respiratory system provides an opportunity to apply concepts we have previously explored, including chemistry and pH, cell membrane structure, and diffusion of molecules across membranes. Biology for AP Courses 2022-06-09T00:00:00Z This is called diffusion and it happens without any energy input. Miller & Levine Biology 2018-01-01T00:00:00Z Figure 3.7 Osmosis Osmosis is the diffusion of water through a semipermeable membrane down its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z For example, the cornea of the eye gets most of its oxygen by diffusion through the thin tear layer covering it. College Physics for AP Courses 2015-08-12T00:00:00Z Their dispersal encourages your eye to keep roving, producing a circularity, a diffusion of pleasure, that Matisse spent the rest of his career discovering new ways to replicate. Review | This 1911 Matisse masterpiece has had a very unusual afterlife 2022-06-22T04:00:00Z As animal size increases, diffusion distances increase and the ratio of surface area to volume drops. Biology for AP Courses 2022-06-09T00:00:00Z They rely on diffusion of oxygen and carbon dioxide through their outer body covering. Miller & Levine Biology 2018-01-01T00:00:00Z Another mechanism besides diffusion to passively transport materials between compartments is filtration. Anatomy and Physiology 2013-06-19T00:00:00Z The net rate of diffusion is also proportional to the diffusion constant D , which is determined experimentally. College Physics for AP Courses 2015-08-12T00:00:00Z Being microscopic facilitates diffusion, the way in which bacteria transport molecules within their single-cell bodies and exchange nutrients and waste with their surroundings. Scientists baffled by discovery of bacteria that ought to be too big to function 2022-06-23T04:00:00Z In order for diffusion to be a feasible means of providing oxygen to the cell, the rate of oxygen uptake must match the rate of diffusion across the membrane. Biology for AP Courses 2022-06-09T00:00:00Z A few aquatic chordates, including lancelets, some amphibians, and some sea snakes, rely on gas exchange by diffusion across body surfaces. Miller & Levine Biology 2018-01-01T00:00:00Z To allow these capillary networks to supply the deep portions of the muscle, muscle mass does not greatly increase in order to maintain a smaller area for the diffusion of nutrients and gases. Anatomy and Physiology 2013-06-19T00:00:00Z In the evolutionary process, as organisms became larger, they needed quicker methods of transportation than net diffusion, because of the larger distances involved in the transport, leading to the development of circulatory systems. College Physics for AP Courses 2015-08-12T00:00:00Z This vacuole pushes the cell’s essential proteins, sugars and metabolites against its membrane, facilitating easier diffusion. Scientists baffled by discovery of bacteria that ought to be too big to function 2022-06-23T04:00:00Z In other words, if the cell were very large or thick, diffusion would not be able to provide oxygen quickly enough to the inside of the cell. Biology for AP Courses 2022-06-09T00:00:00Z Many freshwater invertebrates lose ammonia by simple diffusion across their skin, and many freshwater fish and amphibians eliminate ammonia across gill membranes. Miller & Levine Biology 2018-01-01T00:00:00Z The transporters then move glucose by facilitated diffusion into the cell interior. Anatomy and Physiology 2013-06-19T00:00:00Z Less sophisticated, single-celled organisms still rely totally on diffusion for the removal of waste products and the uptake of nutrients. College Physics for AP Courses 2015-08-12T00:00:00Z "Babel Finance will actively fulfill its legal responsibilities to customers and strive to avoid further transmission and diffusion of liquidity risks," the company said. Crypto lender Babel Finance wins debt repayment reprieve after withdrawal freeze 2022-06-20T04:00:00Z Gas exchange by direct diffusion across surface membranes is efficient for organisms less than 1 mm in diameter. Biology for AP Courses 2022-06-09T00:00:00Z Inside the gill membranes is a network of tiny, thin-walled blood vessels called capillaries, which help maintain differences in oxygen and carbon dioxide concentrations that promote diffusion. Miller & Levine Biology 2018-01-01T00:00:00Z For instance, no blood vessels cross the basement membrane to enter the tissue, and nutrients must come by diffusion or absorption from underlying tissues or the surface. Anatomy and Physiology 2013-06-19T00:00:00Z The quantity D is the diffusion constant for the particular molecule in a specific medium. College Physics for AP Courses 2015-08-12T00:00:00Z While each of three criteria - depth, diffusion, and duration — "needs to be met individually to some degree, extreme conditions revealed by one criterion may partially offset weaker indications from another," the group says. Explainer: How do you define a recession? Let us count the ways 2022-06-17T04:00:00Z Their cells are kept moist and gases diffuse quickly via direct diffusion. Biology for AP Courses 2022-06-09T00:00:00Z Strong, meanwhile, doesn’t consider himself a Method actor, labeling what he does “identity diffusion.” Emmys 2022: Drama acting power rankings 2022-05-25T04:00:00Z All of these functions are carried on by diffusion through the matrix. Anatomy and Physiology 2013-06-19T00:00:00Z Finally, note that diffusion constants increase with temperature, because average molecular speed increases with temperature. College Physics for AP Courses 2015-08-12T00:00:00Z But studies at the industry and company levels, tapping data that ranges from Census Bureau business surveys to online job listings, show the pattern of technology diffusion and the obstacles. Why Isn’t New Technology Making Us More Productive? 2022-05-24T04:00:00Z The flat shape of these organisms increases the surface area for diffusion, ensuring that each cell within the body is close to the outer membrane surface and has access to oxygen. Biology for AP Courses 2022-06-09T00:00:00Z It facilitates the diffusion of Indigenous spiritual and medicinal knowledge among forest peoples and beyond. This Amazonian Indigenous Group Has Lessons in Sustainable Living for All of Us 2022-05-23T04:00:00Z The Na+ concentration becomes high outside the gustatory cells, creating a strong concentration gradient that drives the diffusion of the ion into the cells. Anatomy and Physiology 2013-06-19T00:00:00Z Writing a decade later, Naím now turns to a new ordering of power by leaders unhappy with its diffusion. Review | How the world has been ‘made safe for autocracy’ 2022-04-22T04:00:00Z Then, a second neural network, called a diffusion model, creates the image and generates the pixels needed to realize these features. Meet DALL-E, the A.I. That Draws Anything at Your Command 2022-04-06T04:00:00Z The other means of breathing for amphibians is diffusion across the skin. Biology for AP Courses 2022-06-09T00:00:00Z Founded in 1928, the Puget Sound Academy of Science dedicated itself to “the diffusion of scientific knowledge by means of … publications, expeditions and exhibits.” A 1930s Seattle maritime museum was both floating and fleeting 2022-04-07T04:00:00Z This “packaging” prevents their free diffusion into body cells. Anatomy and Physiology 2013-06-19T00:00:00Z DALL-E 2 generates the image using a process called diffusion, which Dhariwal describes as starting with a “bag of dots” and then filling in a pattern with greater and greater detail. OpenAI’s DALL-E AI image generator can now edit pictures, too 2022-04-06T04:00:00Z The finding overturns an old assumption that farming technology spread through the Americas by the diffusion of crops and practices — the spread of knowledge as opposed to the spread of people, Dr. Reich said. Human Migration Brought Maize to Maya Region, Study Finds 2022-03-22T04:00:00Z It would not affect the rate of diffusion into the blood because there would be no difference between the partial pressures of the air and blood. Biology for AP Courses 2022-06-09T00:00:00Z For him, slavery contradicts “the security of natural rights, the diffusion of knowledge, and the freedom of industry..., subverts the principle of democracy, and converts the state into an aristocracy or a despotism.” Building the American Republic, Volume 2 2018-01-18T00:00:00Z How does temperature proceeds simultaneously at several sites on the same affect diffusion rate, and why? molecule. Anatomy and Physiology 2013-06-19T00:00:00Z With the two diffusion indexes now near where they have peaked in the past, the question is whether the gains will continue to be as broad-based as the employment recovery matures this year. The evolving post-COVID U.S. job market in five charts 2022-03-04T05:00:00Z Currently, globalization is most often used in reference to the spread and diffusion of economic or cultural influences. World History: Patterns of Interaction 2012-01-01T00:00:00Z It would decrease the rate of diffusion into the blood because it increases the difference between the partial pressures of the air and blood. Biology for AP Courses 2022-06-09T00:00:00Z “Cosmopolitan. That’s a word Dia recognized from ‘Sex and the City,’ which she loved watching on cable,” Poddar writes, underscoring the cultural diffusion that permeates her slim debut. Review: A novel set in L.A. and Mumbai aims to reinvent the South Asian immigrant novel 2022-02-25T05:00:00Z What do osmosis, diffusion, filtration, and the movement of ions away from like charge all have in common? Anatomy and Physiology 2013-06-19T00:00:00Z Since languages “typically spread through movements of people,” Dr. Reich said, the wave of migration was a plausible vector for the diffusion of early Celtic dialects into Britain. 3,000 Years Ago, Britain Got Half Its Genes From … France? 2021-12-22T05:00:00Z They helped with the process of cultural diffusion as well as with moving merchandise. World History: Patterns of Interaction 2012-01-01T00:00:00Z It would increase the rate of diffusion into the blood because it reduces the difference between the partial pressures of the air and blood. Biology for AP Courses 2022-06-09T00:00:00Z Fabrizio Pregliasco, a virologist, echoed his comment: "It's clear that at this stage and with this diffusion of Omicron, we must consider changes in the way we intervene, otherwise we're heading for a generalised lockdown." Health experts say Italy faces paralysis under quarantine rules 2021-12-27T05:00:00Z During passive transport, materials move by simple diffusion or by facilitated diffusion through the membrane, down their concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Mike Feuer said he would declare a state of emergency, giving the mayor the power to commandeer buildings and tackle the “diffusion of authority” on homelessness that plagues the city. L.A.'s mayoral candidates agree homeless encampments need to go. The question is how 2021-12-05T05:00:00Z This process in which a new idea or a product spreads from one culture to another is called cultural diffusion. World History: Patterns of Interaction 2012-01-01T00:00:00Z It would decrease the rate of diffusion into the blood because it reduces the difference between the partial pressures of the air and blood. Biology for AP Courses 2022-06-09T00:00:00Z Longer days have a drawn-out peak in sunlight, letting more oxygen build up in the mat, which increases diffusion. Early Earth’s Slowing Rotation Helped Oxygen Build Up 2021-11-01T04:00:00Z Water passes through the membrane in a diffusion process called osmosis. Anatomy and Physiology 2013-06-19T00:00:00Z “And if noncompetes are limiting the ability to start new companies and to have information diffusion across firms, all of that is absolutely relevant to tech workers. ” What Biden's executive order on non-compete agreements means for tech workers 2021-07-09T04:00:00Z But it was her home, and a vanguard for cultural diffusion. Inside the collapsed tower, a microcosm of a multicultural city 2021-06-25T04:00:00Z Inhalation in humans and other mammals involve direct diffusion across the outer membrane to meet oxygen requirements. Biology for AP Courses 2022-06-09T00:00:00Z “The origins and diffusion of Slavs remains one of the great mysteries of the first millennium,” Professor Geary said. A Scratched Hint of Ancient Ties Stirs National Furies in Europe 2021-05-16T04:00:00Z In both cases, if the room is warmer or the tea hotter, diffusion occurs even faster as the molecules are bumping into each other and spreading out faster than at cooler temperatures. Anatomy and Physiology 2013-06-19T00:00:00Z “This is not usually how climate policy diffusion works from the state level to the federal level; usually it’s states go ahead and the federal government adopts something that’s less ambitious.” Biden’s Climate Bet Rests on Enacting a Clean Electricity Standard 2021-05-10T04:00:00Z Andrew Carnegie — like Gregorian, a poor, book-loving immigrant who found meteoric success in America — established the philanthropic foundation in 1911 to “promote the advancement and diffusion of knowledge and understanding.” Vartan Gregorian, transformative civic leader and tireless educator, dies at 87 2021-04-16T04:00:00Z Releasing red blood cells that can accept oxygen using diffusion as opposed to facilitated passive transport. Biology for AP Courses 2022-06-09T00:00:00Z The report’s manufacturing diffusion index, a measure of the breadth of hiring across some 75 goods-producing industries, registered one of its highest readings ever. U.S. factories desperate for workers, even as ranks of jobless remains high 2021-04-02T04:00:00Z Having an internal body temperature around 98.6° F thus also aids in diffusion of particles within the body. Anatomy and Physiology 2013-06-19T00:00:00Z He added that the ministers and governors agreed on the necessity of a “bold and global response aimed at curbing the virus diffusion everywhere.” Vaccine roll-out gaps a core concern for G-20 countries 2021-02-26T05:00:00Z "While the canisters were deployed outside, which certainly prevented many deaths, diffusion was limited by crowds of thousands of people, closed tree canopies, cars and tents," Simonis said. Police deployed potentially lethal chemical during Black Lives Matter protests 2021-02-21T05:00:00Z In which direction should the arrows point for the diffusion of oxygen and CO2? Biology for AP Courses 2022-06-09T00:00:00Z To maximize growth “you need homogenous response and diffusion,” Oxford’s Daco said. Jabs equal jobs? Fed sees possible economic boom if vaccine gets on track 2021-01-12T05:00:00Z Very small polar molecules, such as water, can cross via simple diffusion due to their small size. Anatomy and Physiology 2013-06-19T00:00:00Z For its June and September forecasts, Fed officials were nearly unanimous in saying there was more uncertainty than usual around their forecasts - with a diffusion index at or near 1, for an unprecedented crisis. For the Fed, new data charts show family feuds may be a sign of health 2020-12-11T05:00:00Z He investigated how information is passed from person to person in a so-called social diffusion chain. Information Overload Helps Fake News Spread, and Social Media Knows It 2020-11-19T05:00:00Z The circulatory system has evolved over time from simple diffusion through cells in the early evolution of animals to a complex network of blood vessels that reach all parts of the human body. Biology for AP Courses 2022-06-09T00:00:00Z Because these devices insert drugs directly into the epidermis or dermis, they deliver medicines much more efficiently than familiar transdermal patches, which rely on diffusion through the skin. Microneedles Could Enable Painless Injections and Blood Draws 2020-11-10T05:00:00Z Charged atoms or molecules of any size cannot cross the cell membrane via simple diffusion as the charges are repelled by the hydrophobic tails in the interior of the phospholipid bilayer. Anatomy and Physiology 2013-06-19T00:00:00Z Included in this enhancement are a series of “diffusion indexes” that show the risk and uncertainty policymakers as a group attach to their projections for growth, unemployment and inflation. For the Fed, new data charts show family feuds may be a sign of health 2020-12-11T05:00:00Z The first person in the social diffusion chain told the next person about the articles, the second told the third, and so on. Information Overload Helps Fake News Spread, and Social Media Knows It 2020-11-19T05:00:00Z Instead, gases, nutrients, and wastes are exchanged by diffusion. Biology for AP Courses 2022-06-09T00:00:00Z The diffusion of fake news is facilitated by the difficulty of a large majority of Americans in distinguishing between fact and opinion. Why Doubt Is Essential to Science 2020-10-09T04:00:00Z A common example of facilitated diffusion is the movement of glucose into the cell, where it is used to make ATP. Anatomy and Physiology 2013-06-19T00:00:00Z The diffusion index for economic growth neared a reading of -1, meaning almost all Fed officials saw a greater chance the economy would do worse than they thought, as opposed to better. For the Fed, new data charts show family feuds may be a sign of health 2020-12-11T05:00:00Z Lim et al. found that apical retention of these polymers depends on their slow diffusion, which is limited by their large molecular weight and the cytoplasmic actin meshwork in which they are embedded. Developing cells remember where they came from, thanks to keratin filaments 2020-08-25T04:00:00Z For more complex organisms, diffusion is not efficient for cycling gases, nutrients, and waste effectively through the body; therefore, more complex circulatory systems evolved. Biology for AP Courses 2022-06-09T00:00:00Z Marine bacteria live and die in a balance dictated by available nutritional resources and potential predators, especially viral infectors, all dependent on diffusion through the fluid medium of seawater. The Ocean Carries ‘Memories’ of SARS-CoV-2 2020-08-15T04:00:00Z The respiratory membrane allows gases to cross by simple diffusion, allowing oxygen to be picked up by the blood for transport and CO2 to be released into the air of the alveoli. Anatomy and Physiology 2013-06-19T00:00:00Z The physical therapist said incorporating breathing exercises during and after these techniques allows for greater lung expansion and may help with a greater diffusion of oxygen throughout the body. Coronavirus patients using unique physical therapy treatment to breathe easier during recovery 2020-08-03T04:00:00Z But Shulman says adoption is following expected trends outlined in something he called the “innovation diffusion model.” Wear a mask! How coronavirus turned a lifesaving device into 2020’s most ubiquitous fashion accessory 2020-07-24T04:00:00Z The small size and large surface area of red blood cells allows for rapid diffusion of oxygen and carbon dioxide across the plasma membrane. Biology for AP Courses 2022-06-09T00:00:00Z Plants sense submergence by means of the hormone ethylene — a gas that becomes trapped within minutes in cells of submerged organs owing to its slow diffusion through water9. Genetic drivers of high-rise rice that survives deep floods 2020-07-14T04:00:00Z The actual exchange of gases occurs due to simple diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z In a letter to the European health commissioner, Speranza proposed “new rigorous precautionary measures” for non-EU arrivals that would “more efficiently guarantee the objective of containing the diffusion of contagion caused by foreign clusters.” Italy cracks down on Bangladesh amid virus concerns 2020-07-08T04:00:00Z I am expanding my diffusion line ASH by Ashton Michael. Designer behind Megan Thee Stallion’s looks is pushing for more seats at the table 2020-07-02T04:00:00Z Blood returning from the tissues is high in CO2 and low in O2 will return to the heart and be pumped to the lungs, where gases are exchanged by diffusion at capillary beds. Biology for AP Courses 2022-06-09T00:00:00Z This diffusion enables the IRA and its ilk to tap directly into the critical psychological infrastructure at work in individual belief formation. Review | Political lies aren’t new, but the methods of spreading them are 2020-06-25T04:00:00Z The monosaccharides leave these cells via facilitated diffusion and enter the capillaries through intercellular clefts. Anatomy and Physiology 2013-06-19T00:00:00Z It is still unclear whether three-dimensional artwork arose independently in various locales or by diffusion from a prehistoric center of origin. Tiny 13,500-year-old bird statuette shows origins of Chinese art 2020-06-10T04:00:00Z “I needed it to not look like a balayage, or a contemporary chunky highlight. It was very delicate. There was a diffusion so it wouldn’t look skunk-like.” How 'Mrs. America' re-created Gloria Steinem's 'major head of hair' 2020-05-26T04:00:00Z In capillaries, this single layer of cells is the location of diffusion of oxygen and carbon dioxide between the endothelial cells and red blood cells, as well as the exchange site via endocytosis and exocytosis. Biology for AP Courses 2022-06-09T00:00:00Z Their “gas diffusion” design allows CO2 gas that infiltrates the mesh to interact with all the catalyst particles simultaneously. Making commodity chemicals requires fossil fuels. New devices could do it with renewables 2020-05-04T04:00:00Z However, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leaving the cell and entering the capillary blood via diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z The diffusion of Zoombombing shows that not everyone innovating new tactics is acting in solidarity with those suffering from the pandemic. The global pandemic has spawned new forms of activism – and they’re flourishing | Erica Chenoweth, Austin, Choi-Fitzpatrick, Jeremy Pressman, Felipe G Santos and Jay Ulfelder 2020-04-20T04:00:00Z This battle between Navarro’s total lack of expertise and Fauci’s decades of experience underscores the diffusion of authority at the top of the federal government. Column: The coronavirus can be crushed in 10 weeks — if we do all these things right 2020-04-07T04:00:00Z However, the exchange of oxygen and carbon dioxide at capillary beds is an application of diffusion, a phenomenon we explored in detail in an earlier chapter. Biology for AP Courses 2022-06-09T00:00:00Z Compared to more predictable environmental emergencies such as hurricanes, the diffusion process of the coronavirus pandemic is difficult to forecast. When the coronavirus gets tough, the tough get stockpiling 2020-03-14T04:00:00Z The small size of short-chain fatty acids enables them to be absorbed by enterocytes via simple diffusion, and then take the same path as monosaccharides and amino acids into the blood capillary of a villus. Anatomy and Physiology 2013-06-19T00:00:00Z But the numbers “tell you that the diffusion is a real possibility,” he warned. Patient No. 1 is out of ICU as virus pushes Italy to brink 2020-03-10T04:00:00Z Travelers were also awestruck by the diffusion of light, the intensity of colors and the effects of atmospheric illumination. Perspective | How balloon travel brought science — and our view of the world — to new heights 2019-12-13T05:00:00Z The slow rate of travel through the capillary beds, which reach almost every cell in the body, assists with gas and nutrient exchange and also promotes the diffusion of fluid into the interstitial space. Biology for AP Courses 2022-06-09T00:00:00Z Apart from that, re-digging the canal would prevent tidal diffusion, starving the area of oxygen, he said. Deep trouble: can Venice hold back the tide? 2019-12-10T05:00:00Z At this point, lipid substances exit the micelle and are absorbed via simple diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z Even if this were politically possible, it would raise huge questions about defunding the research, testing and diffusion of new therapies. Opinion | Bernie Sanders’s and Elizabeth Warren’s health-care plans sound too good to be true. They are. 2019-11-06T05:00:00Z Here, he eventually headed a massive team of scientists and engineers working on the separation of uranium isotopes using gaseous diffusion methods. From bomb to Moon: a Nobel laureate of principles 2019-10-13T04:00:00Z Figure 31.19 Fluid from the capillaries moves into the interstitial space and lymph capillaries by diffusion down a pressure gradient and also by osmosis. Biology for AP Courses 2022-06-09T00:00:00Z Having forecast the death of the state, he adds, “To work toward the diffusion and realization of this idea is admittedly something else.” Nietzsche’s Eternal Return 2019-10-07T04:00:00Z Simple diffusion moves a substance from a higher to a lower concentration down its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Growth: From Microorganisms to Megacities appraises our understanding of that ubiquitous reality encompassing both the diffusion of viral infections and the expansion of empires. The Paradox of Growth 2019-09-24T04:00:00Z The pair concluded that atmosphere and oceans exhibited similar forms of energy diffusion. Making the planetary personal: the roots of climate science 2019-09-16T04:00:00Z Some primitive animals use diffusion for the exchange of water, nutrients, and gases. Biology for AP Courses 2022-06-09T00:00:00Z Guang Zhai, a postdoctoral researcher at Arizona State University, and his colleagues combined pressure diffusion and the rock’s “elastic response” to the pressure into a new earthquake model for Oklahoma. Even if Injection of Fracking Wastewater Stops, Quakes Won’t 2019-09-09T04:00:00Z Facilitated diffusion is similar to diffusion in that it moves a substance down its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z It housed the Volta Bureau, “for the increase and diffusion of knowledge relating to the deaf.” Whatever happened to Fayette Street in Georgetown - The Washington Post 2019-08-30T04:00:00Z Color patterns emerge depending on the differences in the two proteins' diffusion rates. Meet the monkeyflower, a weed that may hold the key to zebra stripes and other biological mysteries 2019-08-29T04:00:00Z To allow antibodies to enter infected cells and to promote the diffusion of fluid into the interstitial space. Biology for AP Courses 2022-06-09T00:00:00Z They found that adding the rock’s stress response to their model amplified the effect of pressure diffusion alone on earthquake rates by up to a factor of six. Even if Injection of Fracking Wastewater Stops, Quakes Won’t 2019-09-09T04:00:00Z The movement of glucose and, in certain situations, Na+ ions, is an example of facilitated diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z “This world-wide cultural diffusion has protected us as man had never been protected before from having to take seriously the civilizations of other peoples.” How Cultural Anthropologists Redefined Humanity 2019-08-19T04:00:00Z Turing predicted that some patterns emerge from the natural diffusion and interactions of proteins whose concentrations regulate each other's production. Meet the monkeyflower, a weed that may hold the key to zebra stripes and other biological mysteries 2019-08-29T04:00:00Z To assist with gas and nutrient exchange and to prevent the diffusion of fluid into the interstitial space. Biology for AP Courses 2022-06-09T00:00:00Z Many observers, in fact, see the diffusion of power within Maduro’s government as the single biggest barrier to a deal. During secret Venezuela talks, Maduro offered new elections. Is it a real breakthrough or a stall? 2019-08-16T04:00:00Z The glucose molecule then diffuses across the basal membrane by facilitated diffusion into the interstitial space and from there into peritubular capillaries. Anatomy and Physiology 2013-06-19T00:00:00Z Boas was a firm believer in this: he was interested in what he called “diffusion,” the spread of forms and practices across space and time. How Cultural Anthropologists Redefined Humanity 2019-08-19T04:00:00Z We no longer need societies to promote the diffusion of useful knowledge - we need better ways to distil it. The Penny Post revolutionary who transformed how we send letters 2019-08-13T04:00:00Z To assist with gas and nutrient exchange and to promote the diffusion of fluid into the interstitial space. Biology for AP Courses 2022-06-09T00:00:00Z In a statement Moro – who has denied wrongdoing and resisted calls to resign – condemned “the distorted and sensationalist diffusion of supposed messages obtained by criminal means”. Brazil: calls grow for Bolsonaro ally to quit after 'devastating' report on leaks 2019-07-05T04:00:00Z Osmosis and diffusion involve the movement of water and other substances down their concentration gradients, respectively. Anatomy and Physiology 2013-06-19T00:00:00Z But there was no diffusion in his anger. Greenpeace activist: 'Mark Field needs anger management' 2019-06-21T04:00:00Z That bold move prefigured the diffusion lines we see today as well as signaling the end of Halston’s reign as king, along with the acquisition of his parent company by yet another conglomerate. Review: ‘Halston’ documentary focuses on designer’s influence on art and business 2019-05-30T04:00:00Z To allow antibodies to enter infected cells and to prevent the diffusion of fluid into the interstitial space. Biology for AP Courses 2022-06-09T00:00:00Z “Looking ahead, however, globalization’s diffusion of influence begins to be apparent: 12% of respondents expect Hong Kong to be the world’s preeminent financial center five years from now.” Brexit helps New York take top finance spot from London: survey 2019-05-28T04:00:00Z Glucose, amino acids, and ions—including sodium, potassium, calcium, and chloride—use transporters to move through specific channels in the membrane by facilitated diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z When respiring animals were only a few cells thick, they could count on diffusion to satisfy their needs for oxygen. Icefish Study Adds Another Color to the Story of Blood 2019-05-06T04:00:00Z Some loci, for instance, are characteristically spaced so far apart it would be difficult for them to interact through chromosome diffusion alone. The new techniques revealing the varied shapes of chromatin 2019-05-05T04:00:00Z Osmosis is the diffusion of water across a membrane in response to osmotic pressure caused by an imbalance of molecules on either side of the membrane. Biology for AP Courses 2022-06-09T00:00:00Z In Milan, Martin Margiela’s diffusion line MM6 starred what US Vogue described as “local women of a certain age having the time of their lives”. Glad to be grey: Is it time to embrace the real me? 2019-03-31T04:00:00Z As a result, the partial pressures of oxygen and carbon dioxide change, affecting the diffusion process that moves these materials across the membrane. Anatomy and Physiology 2013-06-19T00:00:00Z But when they grew too bulky for simple diffusion to continue to oxygenate their tissues, hemoglobin was ingeniously ready for the job. Icefish Study Adds Another Color to the Story of Blood 2019-05-06T04:00:00Z As a teenager in the late ’80s, he studied textile engineering and joined Zegna soon after, working first as a product designer and later as the director of the brand’s sporty Z Zegna diffusion line. The Men’s Wear Designer Inspired by Vintage Cars and Da Vinci 2019-02-20T05:00:00Z Water can pass through membranes by passive diffusion. Biology for AP Courses 2022-06-09T00:00:00Z “This is definite. It is a maritime diffusion.” Ancient European Stone Monuments Said to Originate in Northwest France 2019-02-11T05:00:00Z This is a blood-air barrier through which gas exchange occurs by simple diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z Will we learn how to engineer knowledge diffusion? The Rise of Knowledge Economics 2018-12-13T05:00:00Z The most obvious is through direct exposure to chemicals: submerging an arm in a vat of acetone or benzene would enable the substance to enter the skin by diffusion. When skin’s defence against pollution fails 2018-11-20T05:00:00Z This movement can be accomplished by facilitated diffusion and active transport. Biology for AP Courses 2022-06-09T00:00:00Z In response, Putin’s government went after me using something called an Interpol “diffusion notice.” Opinion | The world can’t let Russia run Interpol. My experiences show why. 2018-11-19T05:00:00Z Small molecules can cross into and out of capillaries via simple or facilitated diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z In 1943, a separation plant based on different diffusion rates was built to produce U-235 in greater quantities than occur naturally. My nuclear family: The legacy of the Manhattan Project 2018-09-30T04:00:00Z Mickelson described the dynamic as “almost a diffusion of responsibility” that turned Woods’s partner, however subconsciously, into a spectator. Playing Golf Alongside Tiger Woods Feels Different Now 2018-09-27T04:00:00Z The processes of diffusion, osmosis, and active transport ensure that the urine excreted from the body is hypertonic, thus preventing dehydration. Biology for AP Courses 2022-06-09T00:00:00Z Also like lungs, a termite mound has a role as a secondary diffusion system, which carries oxygen to and carbon dioxide away from the far reaches of the underground termite nest. What Termites Can Teach Us 2018-09-10T04:00:00Z The plasma proteins suspended in blood cross the capillary cell membrane and enter the tissue fluid via facilitated diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z Since it was not known which uranium isotope separation technique — gaseous diffusion, calutron, or centrifuge — would be the most successful, General Leslie Groves insisted that all techniques be pursued simultaneously. My nuclear family: The legacy of the Manhattan Project 2018-09-30T04:00:00Z Two Alaskan brown bears also showed the presence of cave bear DNA, suggesting an unexpected diffusion of genes that needs to be investigated further, he said. Extinct Cave Bear DNA Lives On in Brown Bears 2018-08-27T04:00:00Z All solutes in the glomerular capillaries, except for macromolecules like proteins, pass through by passive diffusion. Biology for AP Courses 2022-06-09T00:00:00Z The diffusion of science into policy is often incremental, says Matthew MacLeod, an environmental chemist at Stockholm University. Help to shape policy with your science 2018-08-27T04:00:00Z Similar to external respiration, internal respiration also occurs as simple diffusion due to a partial pressure gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Play with the parameters for diffusion at the same time, though, and you’ll get patterns that look more like a tortoise shell, a bunch of doughnuts, gaps or stripes, or a labyrinth. How Termites Shape the Natural World 2018-08-13T04:00:00Z There’s only one of me, and there are 434 other members of the House, so I simply couldn’t provide the diffusion of technical knowledge that is missing here. A Conversation with the Only Scientist in Congress 2018-07-31T04:00:00Z Facilitated diffusion utilizes protein channels to move solute molecules from areas of higher to lower concentration while active transport mechanisms are required to move solutes against concentration gradients. Biology for AP Courses 2022-06-09T00:00:00Z “An important impact is the diffusion of the scientific results among the wide public, which shows a special interest for this find throughout the world,” Wierer wrote. New studies of the “Iceman” reveal what life was like in the Copper Age 2018-07-19T04:00:00Z Therefore, there is not as much diffusion of oxygen into the fetal blood supply. Anatomy and Physiology 2013-06-19T00:00:00Z The National Transportation Safety Board called out the “diffusion of responsibility” by four rail agencies that didn’t challenge the Pierce County curve’s design. A tiny-house village for women opens in Seattle, and wildfire season arrives with the nice weather | Wednesday Morning Brief, July 11 2018-07-11T04:00:00Z “So this is an issue of diffusion of responsibility.” ‘Everybody hated that curve:’ Amtrak engineer told of worries before December crash south of Tacoma 2018-07-10T04:00:00Z The blood is separated from a solution, called the dialysate, that is designed to remove wastes by diffusion through a semipermeable membrane. Biology for AP Courses 2022-06-09T00:00:00Z Just as the diffusion of oxygen into tracheal tubes works for insect respiration but not for larger animals, other biological design strategies work well at certain sizes yet become unwieldy at larger or smaller ones. Too Small for Big Muscles, Tiny Animals Use Springs 2018-06-18T04:00:00Z Antiport, active transport, diffusion, and facilitated diffusion are additional mechanisms by which substances are moved from one side of a membrane to the other. Anatomy and Physiology 2013-06-19T00:00:00Z On other occasions, Aaron spoke about the “diffusion of responsibility,” the whirl of agencies and decision makers in the drone program that make it difficult to know what any single actor has done. The Wounds of the Drone Warrior 2018-06-13T04:00:00Z “This is nothing less than a crude attempt at controlling information and its means of diffusion,” Jean-Luc Mélenchon, leader of the France Unbowed party, wrote on his blog. Macron Pushes Bill Aimed at ‘Fake News’ as Critics Warn of Dangers 2018-06-06T04:00:00Z In the upper component, the dialysate has a higher solute concentration than the blood, which allows the urea to utilize facilitated diffusion in order to diffuse to the lower dialysate. Biology for AP Courses 2022-06-09T00:00:00Z Our work suggests that anomalously high diffusion rates for specific hydration numbers of ions are generally determined by the degree of symmetry match between the hydrates and the surface lattice. The effect of hydration number on the interfacial transport of sodium ions 2018-05-13T04:00:00Z Most of the substances transported by a symport mechanism on the apical membrane are transported by facilitated diffusion on the basal membrane. Anatomy and Physiology 2013-06-19T00:00:00Z If changes in the environmental conditions changed the rate of RNA transfer, that “would suggest that this is a biologically regulated mechanism, not just diffusion of RNA by chance,” he explained. Cells Talk and Help One Another via Tiny Tube Networks 2018-05-07T04:00:00Z Elsewhere, panels of bronze mesh evoke the diffusion filter on a condenser microphone, dispersing the visual resonance. Rashid Johnson at David Kordansky Gallery: Power, protection, plus 'Ugly Pots' 2018-05-05T04:00:00Z The blood is separated from a solution, called the dialysate, that is designed to remove wastes by diffusion through a semipermeable membrane. Biology for AP Courses 2022-06-09T00:00:00Z “The marmoset pattern of results calls to mind the so-called diffusion of responsibility effect, which is well established in humans,” the authors wrote. These monkeys may be more selfless than many humans 2018-04-06T04:00:00Z Glucose leaves the cell to enter the interstitial space by facilitated diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z Then they underwent a special MRI sequence called diffusion tensor imaging, “which is able to show us all the white matter in your brain,” she says, “and how the neurons connect to each other.” What’s good for the body is good for the brain: Tips for better brain health 2018-03-18T04:00:00Z We recently analyzed the diffusion of all of the major true and false stories that spread on Twitter from its inception in 2006 to 2017. Opinion | How Lies Spread Online 2018-03-08T05:00:00Z During the first two to four weeks of the first trimester, nutrition and waste are handled by the endometrial lining through diffusion. Biology for AP Courses 2022-06-09T00:00:00Z The attackers called it “a notoriously harmful institution by its diffusion of digital culture”. Will 2018 be the year of the neo-luddite? 2018-03-04T05:00:00Z Mechanisms of solute recovery include active transport, simple diffusion, and facilitated diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z As he reminds, the brain is deeply interconnected, and functions using chemicals, electricity, neurons, glia, passive diffusion and active signalling. A new light on comets, the embodied brain and a nature cure for dislocation: Books in brief 2018-02-19T05:00:00Z As we learn more about how and why false news spreads, we should test interventions to dampen its diffusion. Opinion | How Lies Spread Online 2018-03-08T05:00:00Z Since terrestrial organisms lose water to the environment by simple diffusion, they have evolved many adaptations to retain water. Biology for AP Courses 2022-06-09T00:00:00Z The tearing down of Chicago’s high-rise, public housing monstrosities caused the diffusion of gang problems into other neighborhoods. Opinion | How to stop the Chicago massacre 2018-02-19T05:00:00Z Osmosis is basically the diffusion of water from regions of higher concentration to regions of lower concentration, along an osmotic gradient across a semi-permeable membrane. Anatomy and Physiology 2013-06-19T00:00:00Z Interpol issued a diffusion notice on Friday seeking information on his whereabouts. Indian jewellery tycoon hunted over claims he cheated bank of $1.8bn 2018-02-16T05:00:00Z The high diffusivity of the fullerene combined with the extraordinarily long charge-recombination time yields diffusion lengths of more than 3.5 centimetres, orders of magnitude larger than expected for an organic system. Centimetre-scale electron diffusion in photoactive organic heterostructures 2018-01-17T05:00:00Z Similarly, molecules of oxygen and carbon dioxide have no charge and so pass through membranes by simple diffusion. Biology for AP Courses 2022-06-09T00:00:00Z Clean-up teams were continuing to monitor the wreck area to assess the drift and diffusion of the oil spill and the ecological impact. Oil from sunken Iranian tanker spreads over 100 sq km of East China Sea 2018-01-18T05:00:00Z The answer is probably not Off-White, which is catwalk-expensive: even a recently launched, more affordable diffusion line priced T-shirts at slightly shy of £100. Off-White keeps it business casual at Paris fashion week 2018-01-17T05:00:00Z An 1881 law, for instance, prohibits “the publication, the diffusion or the reproduction, by whatever means, of false news,” among other things. France weighs a law to rein in ‘fake news,’ raising fears for freedom of speech 2018-01-10T05:00:00Z Short of such a full-frontal counterattack, disseminating easy-to-digest skeptical information as early as possible in the process would help to slow the diffusion process and quell the mass delusion. Market Bubbles and Sonic Attacks: Mass Hysterias Will Never Go Away 2017-12-27T05:00:00Z Within a system, there will be different rates of diffusion of the different substances in the medium. Biology for AP Courses 2022-06-09T00:00:00Z Chamberlain, K. J., Morgan, D. J. & Wilson, C. J. N. Timescales of mixing and mobilisation in the Bishop Tuff magma body: perspectives from diffusion chronometry. A compositional tipping point governing the mobilization and eruption style of rhyolitic magma 2017-12-12T05:00:00Z Bouchaud, J. P. & Georges, A. Anomalous diffusion in disordered media: statistical mechanisms, models and physical applications. Granular materials flow like complex fluids 2017-10-31T04:00:00Z Redfield, R. J. Is quorum sensing a side effect of diffusion sensing? Progress in and promise of bacterial quorum sensing research 2017-11-14T05:00:00Z The reform effort needs to run deeper and guard against politicization of the Interpol diffusion notices, too. Opinion | Interpol should not be abused as Putin’s tool of revenge 2017-10-24T04:00:00Z This movement accounts for the diffusion of molecules through whatever medium in which they are localized. Biology for AP Courses 2022-06-09T00:00:00Z That’s when he checked with acquaintances at Interpol and learned his name had popped up on the list under a provision that lets countries demand a person’s arrest, known as a “diffusion.” U.S. lifts travel restrictions on British businessman targeted by Vladimir Putin 2017-10-24T04:00:00Z It would rely on an increase in public knowledge, “the diffusion of information,” to turn back “all abuses at the bar of the public reason.” How will history view us from the future? With contempt and amazement, for starters 2017-09-13T04:00:00Z But Süel, who was trained in physics, suspected that something more than the diffusion of chemical messengers was at work in his Bacillus colonies. Bacteria Use Brainlike Bursts of Electricity to Communicate 2017-09-09T04:00:00Z The United States should also be on guard against diffusion notices intended to silence dissent. Opinion | Interpol should not be abused as Putin’s tool of revenge 2017-10-24T04:00:00Z The closer the distribution of the material gets to equilibrium, the slower the rate of diffusion becomes. Biology for AP Courses 2022-06-09T00:00:00Z More than a century ago, physicists attempting to describe the process of diffusion imagined an infinite forest of regularly spaced identical and rectangular trees. With Snowflakes and Unicorns, Marina Ratner and Maryam Mirzakhani Explored a Universe in Motion 2017-08-07T04:00:00Z Jefferson always counted on the “diffusion of information.” How will history view us from the future? With contempt and amazement, for starters 2017-09-13T04:00:00Z Larger ones, though, need a way of moving the dissolved gas into tissues too far from their body surfaces to be supplied by diffusion alone. How does an animal with no heart circulate oxygen? 2017-07-13T04:00:00Z They prevent the diffusion of choice and power, which is the source of economic and social success in the modern world. Opinion | Trump’s embrace of strongmen is a very bad strategy 2017-06-22T04:00:00Z Temperature: Higher temperatures increase the energy and therefore the movement of the molecules, increasing the rate of diffusion. Biology for AP Courses 2022-06-09T00:00:00Z These adjustments are more chaff than meaningful change, a bloom of mechanical diffusions meant to distract from the repetitive task of steering around corners. Review | ‘Mario Kart 8 Deluxe’ is a not-quite successful marriage of an old favorite and a new platform 2017-05-05T04:00:00Z First, MS-13 went transnational through the “cultural diffusion of gang styles.” Central American gangs like MS-13 were born out of failed anti-crime policies 2017-05-16T04:00:00Z The intersection of these possibly perpendicular critical tendencies generates unusual dynamics in Bradley’s thinking, and their point of confluence is a source of both rigor and diffusion. Opinion | What makes song lyrics poetry? 2017-05-11T04:00:00Z They then linked the reaction–diffusion and cellular-automaton approaches in a theoretical model. Developmental biology: How the lizard gets its speckled scales : Nature : Nature Research 2014-04-11T04:00:00Z Lower temperatures decrease the energy of the molecules, thus decreasing the rate of diffusion. Biology for AP Courses 2022-06-09T00:00:00Z “European designers tend to be a bit more snobbish when it comes to doing things that have a larger diffusion and are more accessible price-wise.” The Cool Kids Behind Opening Ceremony 2017-03-13T04:00:00Z Two conditions were critical for the spread of transnational youth gangs: the diffusion of American gang culture and the dissemination of anti-gang policies across the region. Central American gangs like MS-13 were born out of failed anti-crime policies 2017-05-16T04:00:00Z His second suggestion concerns the diffusion of crucial information to the public during emergencies such as epidemics. How Facebook, fake news and friends are warping your memory 2017-03-06T05:00:00Z Researchers disagree, though, whether the research shows that farming spread by diffusion of ideas in this part of Asia rather than being introduced by a major wave of farmers, as in Europe. Ancient women found in Russian cave were close relatives of today’s indigenous population 2017-02-01T05:00:00Z If the medium is less dense, diffusion increases. Biology for AP Courses 2022-06-09T00:00:00Z This diffusion of cost is even more critical at a time when state aid to libraries has suffered a substantial decline in Kansas. Recent Kansas Editorials 2017-01-24T05:00:00Z But the saga of transnational gangs is also the story of the cultural diffusion of anti-crime policies and security narratives. Central American gangs like MS-13 were born out of failed anti-crime policies 2017-05-16T04:00:00Z For the brain scans, he used magnetic resonance imaging to study the gray matter, and diffusion tensor imaging to study the white matter. Tasmanian Tigers’ Brains Yield Clues Long After Extinction 2017-01-20T05:00:00Z Ultimately the same diffusion of criminal justice control that limited the impact Obama could have from the White House will also limit how quickly an incoming Trump administration could slow that reform. Obama's legacy: the promises, shortcomings and fights to come 2017-01-03T05:00:00Z As the body’s cells lose water, the rate of diffusion decreases in the cytoplasm, and the cells’ functions deteriorate. Biology for AP Courses 2022-06-09T00:00:00Z This produces a diffusion profile along the tube that Plank and others can use as a clock. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z The diffusion of Muruganantham’s innovation across parts of India and elsewhere has earned him global attention as an agent of social change. How an Indian Innovator Reverse-Engineered the Making of Sanitary Pads 2016-11-10T05:00:00Z Such diffusion may be harder in a knowledge-intensive economy because frontier firms can hire the most talented workers and cultivate relations with the best universities and consultancies. The great divergence 2016-11-10T05:00:00Z In most cases, she added, “this information is not available to the General Secretariat” when red notices or diffusions are issued. How Moscow Uses Interpol to Pursue Its Enemies 2016-11-06T04:00:00Z Dehydration frequently leads to unconsciousness and possibly coma because of the decrease in diffusion rate within the cells. Biology for AP Courses 2022-06-09T00:00:00Z Costa has spent years learning to coax such stories out of tiny volcanic crystals with a technique he helped develop, known as diffusion chronometry. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z The government can improve productivity by encouraging the creation and diffusion of new technologies through changes in taxation and regulation. 12 Questions We’d Like to Hear at the Presidential Debate 2016-10-19T04:00:00Z Third, technological diffusion has stalled: cutting-edge ideas are not spreading through the economy in the way that they used to, leaving productivity-improving ideas stuck at the frontier. The great divergence 2016-11-10T05:00:00Z Interpol’s computer system also circulates diffusions like the one against Mr. Kulachenkov. How Moscow Uses Interpol to Pursue Its Enemies 2016-11-06T04:00:00Z Distance travelled: The greater the distance that a substance must travel, the slower the rate of diffusion. Biology for AP Courses 2022-06-09T00:00:00Z Both Morgan and Costa are also developing user-friendly software to help researchers who aren't experts in diffusion modeling interpret their data. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z "Political institutions are too weak to support a diffusion of power away from the presidency." After Karimov: How does the transition of power look in Uzbekistan? - BBC News 2016-10-12T04:00:00Z Can anything be done to fix the diffusion problem? The great divergence 2016-11-10T05:00:00Z Because distillation is not the same as diffusion, it’s about purifying, about capturing an essence, and with voices that capturing can only be achieved through listening first. Aberfan 50 years on: how best to remember the tragedy? 2016-10-09T04:00:00Z A variation of diffusion is the process of filtration. Biology for AP Courses 2022-06-09T00:00:00Z That's where Costa and Daniel Krimler, a graduate student at the observatory, turned to diffusion chronometry, which converts the chemical smudging between the rim and the crystal's core into an estimate of time. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z But at the same time, diffusion and dynamism have wreaked havoc on communities like the one where Vance grew up. Weave Together the Social Fabric 2016-09-27T04:00:00Z Other linguists argue that the computational models, built for genes that can only be inherited, deal poorly with languages that spread by diffusion. Why Australia is home to one of the largest language families in the world 2016-09-21T04:00:00Z Smithson stipulated a request in his will, which was drawn up in 1826: Establish an institution in Washington, D.C., dedicated to “the increase and diffusion of knowledge.” A Frenchman’s legacy, America’s black history museum 2016-09-01T04:00:00Z In filtration, material moves according to its concentration gradient through a membrane; sometimes the rate of diffusion is enhanced by pressure, causing the substances to filter more rapidly. Biology for AP Courses 2022-06-09T00:00:00Z At first, single experiments could take weeks, but the results gave diffusion chronometry teeth. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z The rapid diffusion of the disease is tied to squalid conditions and insufficient health and sanitary infrastructure in earthquake-ravaged Haiti. How Cholera Spread So Quickly Through Haiti 2016-08-18T04:00:00Z Army Medical Research and Material Command, involved the use of advanced MRI scans called diffusion tensor imaging and diffusion kurtosis tensor imaging to look at changes in the brain's white matter. Brain changes persist in student athletes six months after a concussion, study suggests 2016-07-07T04:00:00Z It still proves that diffusion of responsibility can affect people, but also gets at another aspect of human nature: the stories we tell ourselves to justify our actions.” The Daily 202: Does Supreme Court decision mean an end to the fight over affirmative action? 2016-06-30T04:00:00Z The rate of diffusion in this instance is almost totally dependent on pressure. Biology for AP Courses 2022-06-09T00:00:00Z One appeal of diffusion chronometry lies in its ability to track a wide range of volcanic processes. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z And the third, most important, reason is "diffusion of responsibility", which encourages us to take the view that if no-one else is doing anything then why should we. The kindness of strangers: Are good Samaritans the exception or norm? - BBC News 2016-06-23T04:00:00Z In the late nineties, a hundred years after its founding, as a “society for the increase and diffusion of geographic knowledge,” the organization began extending its brand with film, television, and Web projects. The Big Fight Over Fossils 2016-06-20T04:00:00Z In some 101 textbook, her death is evidence of bystander apathy, a cautionary tale about how diffusion of responsibility causes inaction. The Daily 202: Does Supreme Court decision mean an end to the fight over affirmative action? 2016-06-30T04:00:00Z Channel proteins facilitate diffusion at a rate of tens of millions of molecules per second, whereas carrier proteins work at a rate of a thousand to a million molecules per second. Biology for AP Courses 2022-06-09T00:00:00Z Instead of studying diffusion in crystals, Plank has looked at how dissolved volatiles like water and carbon dioxide diffuse through melt tubes, tiny burrows in crystals that fill with liquid magma. Smudged volcanic crystals offer clues to past eruptions 2016-11-17T05:00:00Z Pat Kelleher, who oversees membership for USA Hockey, the nation’s governing body for amateur hockey, said diffusion of the sport to nontraditional areas is seeded by the N.H.L. N.H.L.’s Warm-Weather Outposts Produce Some Hot Prospects 2016-06-23T04:00:00Z When he died in 1829 a clause in his will bequeathed his fortune to the United States to create in Washington "an establishment for the increase and diffusion of knowledge among men". Smithsonian and V&A to collaborate on exhibition space - BBC News 2016-06-13T04:00:00Z As Epstein put it, “The cells will never leave, other organisms will not crawl in, but chemical diffusion would provide everything that is naturally available in the field.” Miracle Microbes? 2016-06-13T04:00:00Z A principle of diffusion is that the molecules move around and will spread evenly throughout the medium if they can. Biology for AP Courses 2022-06-09T00:00:00Z |
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