单词 | ultraviolet radiation |
例句 | With more oxygen we might breathe the atmosphere, and ozone would form to shield the surface from solar ultraviolet radiation. Cosmos 1980-01-01T00:00:00Z The ozone abundance is so small that germicidal ultraviolet radiation from the Sun strikes the Martian surface unimpeded. Cosmos 1980-01-01T00:00:00Z Even though it was a cloudy day, the vicious ultraviolet radiation at this altitude would render him snow-blind very quickly. Into Thin Air 1996-08-01T00:00:00Z The first, at 1 per cent of the present level, shielded out enough ultraviolet radiation to permit cells to move into the surface layers of lakes, rivers, and oceans. The Lives of a Cell 1974-01-01T00:00:00Z The ultraviolet radiation in sunlight could cause malignancy. Silent Spring 1962-09-27T00:00:00Z Its function is to keep the head warm and protect it against ultraviolet radiation. The Sun Is Also a Star 2016-11-01T00:00:00Z Originally, in the time of prebiotic elaboration of peptides and nucleotides from inorganic ingredients in the water on the earth, there was nothing to shield out ultraviolet radiation except the water itself. The Lives of a Cell 1974-01-01T00:00:00Z Microfiltration, reverse osmosis, ultraviolet radiation, and abracadabra—they turned the county’s last day of raw sewage into nearly fifty thousand gallons of drinkable water. Dry 2018-10-02T00:00:00Z It is a bit of a chemical oddity in that at ground level it is a pollutant, while way up in the stratosphere it is beneficial, since it soaks up dangerous ultraviolet radiation. A Short History of Nearly Everything 2003-05-06T00:00:00Z Beams of infrared and ultraviolet radiation pulsed across the hem of one Caryatid’s robes, burning soot millimeter by millimeter to reveal the apricot-tinted patina of the original marble. Caryatid Statues, Restored, Are Stars at Athens Museum 2014-07-07T04:00:00Z For example, X-rays and ultraviolet radiation are both recognized carcinogens. Your cellphone is killing you: What people don’t want you to know about electromagnetic fields 2014-04-12T13:45:00Z Glass is coated with a lining that filters out ultraviolet radiation, which is harmful to art. Art Museums Seek a Green Palette 2016-03-15T04:00:00Z Then, in the 1970s, researchers at the University of California found that CFCs could destroy stratospheric ozone, a gas in the atmosphere that protects life on Earth from the Sun's ultraviolet radiation. Coca-Cola’s biggest challenge in greening its operations is its own global marketing strategy 2023-05-23T04:00:00Z For example, many minerals, crystals, resins and organic compounds emit light when bathed in ultraviolet radiation. Life through a high powered lens: the Nikon Small World awards 2010-10-23T23:06:00Z Unlike previous attempts at cooling coatings, the new UMD-developed glass is environmentally stable -- able to withstand exposure to water, ultraviolet radiation, dirt and even flames, enduring temperatures of up to 1,000 degrees Celsius. 'Cooling glass' blasts building heat into space 2023-11-13T05:00:00Z It could weaken the stratospheric ozone layer that protects us and Earth's biosphere from ultraviolet radiation. It’s Time to Engineer the Sky 2023-09-20T04:00:00Z The last place to expect dust creation is somewhere bathed in the hot, harsh ultraviolet radiation surrounding a Wolf-Rayet. Rare ‘Pinwheel’ Stars Are a Beautiful Astronomical Puzzle 2023-08-18T04:00:00Z It’s well-suited to the cold, and it also has evolved to withstand strong exposure to ultraviolet radiation from the sun — a feature of high elevations, where the air is thinner. The World’s Oldest Moss Outlived the Dinosaurs, but It May Not Survive Climate Change 2023-08-10T04:00:00Z The damage is caused by overexposure to ultraviolet radiation, or UV, produced by the sun. Wales weather: No such thing as a healthy tan - dermatologist 2023-07-19T04:00:00Z Researchers hypothesized that the increases in gray patches and targets may have been tied to degraded coastal environments, climate change and higher levels of solar ultraviolet radiation known to exacerbate some diseases. Scientists find worrisome lesions on endangered southern resident orcas 2023-06-28T04:00:00Z They farm and labor in habitats that shield them from dust and harsh ultraviolet radiation. Musk and Bezos Offer Humanity a Grim Future in Space Colonies 2023-06-26T04:00:00Z It blasts out large amounts of ultraviolet radiation, which could erode any atmosphere on a nearby planet. JWST’s Hunt for Habitable Exoplanets Finds Disappointment, Again 2023-06-21T04:00:00Z The Robert Koch Institute said lung diseases from forest fires and agricultural dust may become a growing problem, as will skin cancer due to increased ultraviolet radiation as Germany experiences longer periods of cloud-free weather. Government body warns of increased health threats from climate change in Germany 2023-06-01T04:00:00Z It effectively saved the Earth’s delicate ozone layer, which protects the planet from harmful ultraviolet radiation, and the “ozone hole” in the atmosphere is on track to fully recover within a few decades. Ozone Treaty Delayed Arctic Melting by 15 Years 2023-05-23T04:00:00Z The gamma-ray burst would have stripped away the Earth’s ozone layer causing intense ultraviolet radiation from the sun and may account for climate changes observed at the time. Fundamentals of Biology 2015-01-01T00:00:00Z Pigments in fungi are associated with the cell wall and play a protective role against ultraviolet radiation. Concepts of Biology 2013-04-25T00:00:00Z But in the atmosphere, it serves as an essential shield protecting Earth’s life from harmful ultraviolet radiation. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z Ozone: The protective layer in the upper atmosphere blocks ultraviolet radiation from the sun, which can cause skin cancer. Your Tuesday Briefing: Brazil Quiets 2023-01-09T05:00:00Z The ozone layer is a thin part of the Earth's atmosphere that absorbs most of the ultraviolet radiation from the Sun. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z CFC-11 and similar chemicals, collectively called chlorofluorocarbons, destroy ozone, which blocks ultraviolet radiation from the sun that can cause skin cancer and otherwise harm people and other living things. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z The cavity has been sculpted by the intense ultraviolet radiation and winds from hot, young stars just out of shot. James Webb telescope: Amazing images show the Universe as never before 2022-12-24T05:00:00Z That study also identified genetic changes in response to intense sunlight on the plateau, including modifications to genes whose proteins help repair DNA damaged by ultraviolet radiation. Secrets of Tibet’s hot-spring snakes revealed 2022-10-11T04:00:00Z And it should have clarified that there are additional reasons New Zealand has stronger ultraviolet radiation than corresponding latitudes in the Northern Hemisphere. Readers Respond to the June 2022 Issue 2022-09-24T04:00:00Z All that water vapor will very likely also alter the atmospheric chemistry that destroys ozone, the oxygen molecule that protects life on Earth from harmful ultraviolet radiation from the Sun. The Tonga volcano shook the world. It may also affect the climate 2022-09-22T04:00:00Z Viral transmission is enhanced by the low humidity of the indoor environment during the winter as well as by the decline in sunshine and its sterilizing ultraviolet radiation, Shaman said. Covid forecast: Major fall surge unlikely, but variants are a wild card 2022-09-03T04:00:00Z In the stratosphere, ozone protects the Earth from the sun's ultraviolet radiation. Analysis: Scientists look to solve ozone threat to Africa's food security 2022-08-31T04:00:00Z The ozone layer helps absorb incoming ultraviolet radiation from the sun, shielding life on Earth from its harmful effects, such as skin cancer and cataract formation. Australia fires damaged ozone layer, caused major warming, study says 2022-08-25T04:00:00Z Stratospheric ozone protects the surface of Earth from damaging ultraviolet radiation. Tonga volcano blasted unprecedented amount of water into atmosphere 2022-08-05T04:00:00Z X-rays have adverse effects on living cells similar to those of ultraviolet radiation, and they have the additional liability of being more penetrating, affecting more than the surface layers of cells. College Physics for AP Courses 2015-08-12T00:00:00Z Ozone in the upper atmosphere, which protects the earth from ultraviolet radiation, is formed when oxygen molecules absorb ultraviolet light and undergo the reaction: Chemistry 2019-02-14T00:00:00Z Earth's ozone layer removes high-energy ultraviolet radiation, uv-c, from the solar radiation received at the surface. Biology for AP Courses 2022-06-09T00:00:00Z The basic idea of triggered star formation is this: when a massive star is formed, it emits a large amount of ultraviolet radiation and ejects high-speed gas in the form of a stellar wind. Astronomy 2016-10-13T00:00:00Z That’s without taking into account the effects of increased ultraviolet radiation on crops due to the destruction of the ozone layer caused by the heating of the stratosphere, Robock said. As risk of nuclear war grows, study warns that even a limited exchange would doom billions 2022-08-15T04:00:00Z Different names are used for electromagnetic waves of different wavelengths: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. College Physics for AP Courses 2015-08-12T00:00:00Z Write the resonance forms of ozone, O3, the component of the upper atmosphere that protects the Earth from ultraviolet radiation. Chemistry 2019-02-14T00:00:00Z Damage to DNA induced by ultraviolet radiation occurs with the formation of bonds between an adjacent pair of pyrimidine nucleotides, thymine and cytosine, on the same strand of DNA. Biology for AP Courses 2022-06-09T00:00:00Z These columns are of higher density than the surrounding regions and have resisted evaporation by the ultraviolet radiation from a cluster of hot stars just beyond the upper-right corner of this image. Astronomy 2016-10-13T00:00:00Z Separate research from MIT on the Australian fires found that their smoke plumes depleted the ozone layer, which protects the Earth from ultraviolet radiation. McKinney fire has hit the stratosphere, spewing the 'fire-breathing dragon of clouds' 2022-08-03T04:00:00Z Today the name laser is used for all such devices developed to produce a variety of wavelengths, including microwave, infrared, visible, and ultraviolet radiation. College Physics for AP Courses 2015-08-12T00:00:00Z The presence of stratospheric ozone decreases the frequency of skin cancer and other damaging effects of ultraviolet radiation. Chemistry 2019-02-14T00:00:00Z The currently accepted explanation is that the low-oxygen atmosphere of early Earth had no ozone layer to filter out the solar ultraviolet radiation that damages DNA. Biology for AP Courses 2022-06-09T00:00:00Z To make matters worse, unlike Earth, Mars does not have a magnetic field and ozone layer to protect the surface from harmful solar ultraviolet radiation and energetic particles. Astronomy 2016-10-13T00:00:00Z The team also examined how atmospheric reentry can harm the tenuous layer of stratospheric ozone that helps shield Earth from damaging ultraviolet radiation. Don’t Fear China’s Falling Rocket—Fear the Future It Foretells 2022-07-29T04:00:00Z We sometimes refer to this as radiant energy, or electromagnetic radiation, which includes visible light, infrared, and ultraviolet radiation. College Physics for AP Courses 2015-08-12T00:00:00Z One was a better understanding of “pickup” ions: neutral atoms, primarily hydrogen, from interstellar space that become ionized when they encounter the solar wind or the Sun’s ultraviolet radiation. ‘Voyager on steroids.’ Mission would probe mysterious region beyond our Solar System 2022-07-27T04:00:00Z High-energy ultraviolet radiation—the same kind of light that causes sunburns—and stellar winds from hot newborn stars eroded some of the surrounding material, sculpting what astronomer dub the Cosmic Cliffs. Behold, Some Hidden Gems from JWST’s First Images 2022-07-21T04:00:00Z But it has been hypothesized that oxygen could build up to substantial levels on planets orbiting M-dwarf stars through the action of ultraviolet radiation on the atmosphere—with no need for biology. Astronomy 2016-10-13T00:00:00Z Examples include radioactive substances, x-rays and ultraviolet radiation. Environmental Biology 2018-09-06T00:00:00Z For example, ordinary glass is transparent to visible light but largely opaque to ultraviolet radiation. College Physics for AP Courses 2015-08-12T00:00:00Z Certain minerals, or trace elements within them, give off visible light when exposed to ultraviolet radiation or black light. An Introduction to Geology 2017-01-01T00:00:00Z In fact, what appears to be white steam rising from the “cliffs” is hot dust and ionized gas streaming away as the ultraviolet radiation interacts with the nebula. Behold, Some Hidden Gems from JWST’s First Images 2022-07-21T04:00:00Z In the upper ionosphere, ultraviolet radiation from the Sun can strip electrons from their atoms, leaving the atmosphere ionized. Astronomy 2016-10-13T00:00:00Z When cholesterol present in the epidermis is exposed to ultraviolet radiation, it is converted to cholecalciferol, which then enters the blood. Anatomy and Physiology 2013-06-19T00:00:00Z The top layer of the cornea is surgically peeled back and the underlying tissue ablated by multiple bursts of finely controlled ultraviolet radiation produced by an excimer laser. College Physics for AP Courses 2015-08-12T00:00:00Z When exposed at the surface, ultraviolet radiation and heat from the Sun release these electrons, but when the minerals are buried just a few inches below the surface, the electrons get trapped again. An Introduction to Geology 2017-01-01T00:00:00Z "We have 360 days of sun, ultraviolet radiation, we have very cold nights, this makes our red grapes generate a thicker skin," Munoz said. Exotic wines hide in the heights of Chile's Atacama desert 2022-05-23T04:00:00Z Because ozone is a good absorber of ultraviolet light, it protects the surface from some of the Sun’s dangerous ultraviolet radiation, making it possible for life to exist on Earth. Astronomy 2016-10-13T00:00:00Z Even then, the darkness only dissipated gradually, as intense ultraviolet radiation from the universe’s first luminous objects reionized the surrounding neutral hydrogen, eventually burning away the gaseous gloom. New Record-Breaking Simulation Sheds Light on ‘Cosmic Dawn’ 2022-05-10T04:00:00Z Some arise because of problems within a person’s cells; others are sparked by environmental exposures such as ultraviolet radiation, tobacco smoke or chemicals. Study mines cancer genetics to help with targeted treatment 2022-04-21T04:00:00Z Spottiswoode noted that some scientists hypothesize that birds who evolved to lay blue eggs did so to protect their embryos from ultraviolet radiation. Why are some bird eggs so colorful? Blame an evolutionary arms race 2022-04-17T04:00:00Z With the increase in ultraviolet radiation reaching Earth’s surface, the incidence of skin cancer continues to rise in many parts of the world. World History: Patterns of Interaction 2012-01-01T00:00:00Z At the moment of the explosion, the matter associated with the flare is heated to temperatures as high as 10 million K. At such high temperatures, a flood of X-ray and ultraviolet radiation is emitted. Astronomy 2016-10-13T00:00:00Z But in other conditions, such as exposure to ultraviolet radiation from the sun, DNA may degrade quickly. DNA in Air Can Catalog Hidden Insects All Around Us 2021-12-16T05:00:00Z Those substances serve various functions, including providing the lichens with protection from ultraviolet radiation, and some have biomedical or bioactive properties. Your garden isn’t winding down: It’s still lichen season 2021-11-22T05:00:00Z The ozone layer filters harmful ultraviolet radiation, which can cause skin cancer and damage plants. Research sheds light on how unusual North Pole ozone hole formed last year 2021-10-09T04:00:00Z Increased ultraviolet radiation also may result in damage to populations of plants and plankton at the bases of the food chains, which sustain all life on Earth. World History: Patterns of Interaction 2012-01-01T00:00:00Z More serious are solar flares, which shower the upper atmosphere of Earth with X-rays, energetic particles, and intense ultraviolet radiation. Astronomy 2016-10-13T00:00:00Z Molina warned that the chlorine was attacking the ozone layer, which helps shield the Earth from harmful ultraviolet radiation from the sun. Landmark Ozone Treaty Could Prevent More Than 400 Million Cases of Cancer 2021-10-09T04:00:00Z The late Harvard University dermatologist Dr. Thomas Fitzpatrick invented the scale to personalize ultraviolet radiation treatment for psoriasis, an itchy skin condition. EXCLUSIVE Google searches for new measure of skin tones to curb bias in products 2021-06-18T04:00:00Z Another recent study found that, without the Montreal Protocol, excess ultraviolet radiation would have killed or damaged plants worldwide, stunting their ability to soak up heat-trapping carbon dioxide. Research sheds light on how unusual North Pole ozone hole formed last year 2021-10-09T04:00:00Z Repeated exposure to the sun’s ultraviolet radiation causes most of the skin changes — wrinkles, age spots and tiny broken blood vessels — generally considered a normal result of aging. Paying the Price for Sun Damage 2021-05-24T04:00:00Z The X-rays and ultraviolet radiation can ionize atoms in Earth’s upper atmosphere, and the freed electrons can build up a charge on the surface of a spacecraft. Astronomy 2016-10-13T00:00:00Z The 1987 Montreal Protocol phased down the other refrigerants called chlorofluorocarbons and hydrochlorofluorocarbons that were burning a hole in the ozone layer, exposing people to more cancer-causing ultraviolet radiation from the sun. What to expect from the EPA’s new rules affecting air conditioners and refrigerators 2021-05-04T04:00:00Z The ocean is releasing ozone-depleting gases at a faster rate due to rising global temperatures, prompting scientists to warn of more ultraviolet radiation and a greater cancer risk. Oceans May Emit More Ozone-depleting Gases 2021-03-17T04:00:00Z In the more extreme computer scenario, with solar effects factored in, ultraviolet radiation rose by 10 to 15 percent from the norm and ozone declined by about the same amount. A Hitchhiker’s Guide to an Ancient Geomagnetic Disruption 2021-02-18T05:00:00Z Billions of pounds of chlorofluorocarbons were produced before it was discovered, in the 1980s, that the chemicals were destroying the ozone layer, which shields the Earth from ultraviolet radiation. Why call recent disasters ‘natural’ when they really aren’t? 2021-02-02T05:00:00Z For example, although the Sun’s total energy output varies by only 0.1% during a solar cycle, its extreme ultraviolet radiation is 10 times higher at times of solar maximum than at solar minimum. Astronomy 2016-10-13T00:00:00Z Others survive in the air because wildfire particulates can absorb the sun’s otherwise lethal ultraviolet radiation, the scientists said. Wildfire smoke may carry 'mind-bending' amounts of fungi and bacteria, scientists say 2021-02-01T05:00:00Z Dr. Crutzen was initially known for his work on the ozone layer, the thin atmospheric shield that protects plants and animals from ultraviolet radiation. Paul J. Crutzen, Nobel laureate who studied ozone and named new ‘Anthropocene’ era, dies at 87 2021-01-29T05:00:00Z The ozone layer is a thin part of the atmosphere which protects the Earth from harmful levels of ultraviolet radiation. UN film and game for teens focuses on protecting ozone layer 2021-01-24T05:00:00Z They suspect that the particulate matter on which they are travelling protects the microbes from ultraviolet radiation, which might kill them off. Wildfire smoke may spread infectious disease 2020-12-17T05:00:00Z As it does on Earth today, this ozone provided protection from the Sun’s damaging ultraviolet radiation. Astronomy 2016-10-13T00:00:00Z That’s because several studies suggest that the basic chemicals of life require ultraviolet radiation from sunlight to form, and that the watery environment had to become highly concentrated or even dry out completely at times. How the First Life on Earth Survived Its Biggest Threat—Water 2020-12-16T05:00:00Z Bosco also explained that active virus particles in the air can be reduced by ventilation, filtration, local dilution and exposing the virus to ultraviolet radiation. Pandemic Creates New Considerations for Arena Construction 2020-11-07T05:00:00Z Keole points to ultraviolet radiation exposure, either from direct sunlight or tanning beds, as being associated with new cancers. I’m a long-term cancer survivor. Like others, I also face a higher risk of getting a second, unrelated cancer. 2020-10-30T04:00:00Z That is important, because over-exposure to ultraviolet radiation is harmful to most living things, including plants and animals, and causes skin cancers, eye problems and genetic damage in humans. 'We've had so many wins': why the green movement can overcome climate crisis 2020-10-12T04:00:00Z The electromagnetic spectrum consists of gamma rays, X-rays, ultraviolet radiation, visible light, infrared, and radio radiation. Astronomy 2016-10-13T00:00:00Z In particular, the study suggests higher temperatures and increased exposure to ultraviolet radiation from sunlight may modestly reduce the disease’s transmission. Summer Weather Won’t Save Us from Coronavirus 2020-06-19T04:00:00Z Researchers also theorized ultraviolet radiation at high altitude may act as a natural sanitizer. Coronavirus and high altitudes: How distance from sea level offers inhabitants leverage 2020-06-08T04:00:00Z “It’s dangerous because UVC shouldn’t be deployed when there’s humans around,” he said, referring to the short-wave germicidal type of ultraviolet radiation. Exterminate! UV robot sent to Singapore mall to zap coronavirus 2020-05-21T04:00:00Z The virus degrades outside a host cell, and does so more rapidly when exposed to heat or ultraviolet radiation from the sun. Summer weather could help fight coronavirus spread but won’t halt the pandemic 2020-05-15T04:00:00Z The Sun puts out an incomprehensible amount of energy—so much that its ultraviolet radiation can cause sunburns from 93 million miles away. Astronomy 2016-10-13T00:00:00Z However, without any ozone in the Martian atmosphere, the greenhouse windows would need to block harmful solar ultraviolet radiation. How to Grow Vegetables on Mars 2020-05-10T04:00:00Z Single stranded RNA viruses such as coronaviruses are highly sensitive to ultraviolet radiation, which causes mutations that disrupt replication. Sunlight’s ultraviolet wavelengths have strengths, limitations in disinfecting against the coronavirus 2020-04-24T04:00:00Z Just as exposure to cigarette smoke causes the mutations that are common to lung cancers, exposure to ultraviolet radiation causes a set of mutations that are common features of skin cancer. Game-changing class of immunotherapy drugs lengthens melanoma survival rates 2020-04-21T04:00:00Z The ozone layer protects the earth from harmful levels of ultraviolet radiation from the sun. Record-size hole opens in ozone layer above the Arctic 2020-04-07T04:00:00Z The reason is that small dust grains absorb visible light and ultraviolet radiation very efficiently. Astronomy 2016-10-13T00:00:00Z It keeps out harmful ultraviolet radiation from the sun that has been linked to skin cancer, cataracts, immune system suppression and can also cause damage to plants. Ozone layer is healing thanks to 'growing evidence' the Montreal Protocol works 2020-03-30T04:00:00Z Ozone normally forms a protective blanket in the stratosphere, about 10 to 50 kilometres above the ground, where it shields life from solar ultraviolet radiation. Rare ozone hole opens over Arctic — and it’s big 2020-03-26T04:00:00Z The notorious Antarctic “ozone hole” sparked worldwide concern after its discovery in the 1980s, and for good reason — declining ozone allows harmful ultraviolet radiation to reach the Earth’s surface, a major threat to public health. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z The stratospheric ozone layer, which shields the planet from the Sun’s harmful ultraviolet radiation, was disintegrating over Antarctica. Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act 2020-03-24T04:00:00Z The presence of the dust shields the molecules inside the clouds from ultraviolet radiation and cosmic rays that would break them up. Astronomy 2016-10-13T00:00:00Z DNA is sprung from its cells by decay, then attaches to mineral grains or organic compounds, which provide protection from ultraviolet radiation and oxidation. DNA recovered from Arctic lakes holds clues for our future world 2019-12-10T05:00:00Z The stratospheric ozone layer helps deflect incoming ultraviolet radiation from the sun, shielding life on Earth from its harmful effects, such as skin cancer, cataracts and damage to plants. The 2019 ozone hole is the smallest on record since its discovery, but there’s a catch 2019-10-21T04:00:00Z Earth’s protective ozone layer shields life from harmful ultraviolet radiation. South Pole’s ozone hole shrinks to smallest since discovery 2019-10-22T04:00:00Z The optimist in me, meanwhile, recalls the response to past global environmental threats, such as depletion of the ozone layer that protects us from ultraviolet radiation. Radical reform and the Green New Deal 2019-09-17T04:00:00Z However, such a neutral atom can then absorb ultraviolet radiation again and start the cycle over. Astronomy 2016-10-13T00:00:00Z “I basically started to artificially age them,” she said, using the same bands of ultraviolet radiation that give you a sunburn. Day-Glo masterpieces are fading. A conservator and her team are racing to save them 2019-09-05T04:00:00Z This ‘cosmic dawn’ released ultraviolet radiation into intergalactic space, which made the hydrogen there more receptive to absorbing 21-cm photons. The quest to unlock the secrets of the baby Universe 2019-08-13T04:00:00Z The principal cause is exposure to ultraviolet radiation from the sun, with the usual contributions from genetic bad luck. We're in trouble: Skin cancer is on the rise, and not just for golfers - Golf Digest 2019-06-06T04:00:00Z Exposure to ultraviolet radiation is a major risk factor for most skin cancers, according to the American Cancer Society. Portraits reveal 'invisible' skin imperfections caused by UV rays 2019-03-20T04:00:00Z The process of converting ultraviolet radiation into visible light is called fluorescence. Astronomy 2016-10-13T00:00:00Z Some also offer the plant protection from herbivores or shield it from ultraviolet radiation. The growth of tea 2019-02-05T05:00:00Z In addition to cooling the planet, the aerosols generated in that eruption sped up the rate at which chlorofluorocarbons deplete the ozone layer, which shields the planet from the Sun’s harmful ultraviolet radiation. First sun-dimming experiment will test a way to cool Earth 2018-11-26T05:00:00Z And the application of S. epidermidis that produce 6-HAP to mouse skin reduced the number of tumours that formed in response to ultraviolet radiation. Skin microbiota’s community effort 2018-11-20T05:00:00Z After adjusting for socio-economic status, smoking habits and exposure to ultraviolet radiation, among other factors, Krutmann concluded that such pollution contributed to the accelerated skin ageing he saw in study participants1. When skin’s defence against pollution fails 2018-11-20T05:00:00Z Scarce oxygen, cold temperatures, and intense ultraviolet radiation make the Andes a tough place to live. How the people of the Andes evolved to live in high altitudes 2018-11-08T05:00:00Z It typically occurs when molecules, largely nitrogen and oxygen, are "energized by ultraviolet radiation from sunlight." Creepy orange 'airglow' surrounds the Earth 2018-11-07T05:00:00Z While the resupplying is going on, their satellite will be dropped into Earth’s orbit to study the effects of ultraviolet radiation on the planet we call home. Mon students’ mini satellite going into space on NASA launch 2018-10-28T04:00:00Z On the moon, decades of extreme temperatures, ultraviolet radiation and micrometeorites have probably disintegrated the flag entirely, scientists say, and the bombardment of unfiltered sunlight has probably bleached flags left on subsequent missions stark white. Why Neil Armstrong’s sons don’t think the biopic ‘First Man’ is anti-American 2018-09-02T04:00:00Z And ultraviolet radiation in sunlight can cause premature skin ageing and skin cancer such as squamous cell carcinoma, a mechanism that has been known about for several decades. When skin’s defence against pollution fails 2018-11-20T05:00:00Z The reason the two populations of galaxies are so distinct is that the first galaxies emitted intense ultraviolet radiation while the Universe was still locked in its dark age phase. Earliest galaxies found 'on our cosmic doorstep' 2018-08-16T04:00:00Z Much of that adaptation might be related to the harsh ionizing and ultraviolet radiation that humans would be exposed to. Captain America on Mars 2018-08-03T04:00:00Z Ionising radiation can also lead to cancer; high-energy ultraviolet radiation, for example, induces skin cancer through sustained DNA damage. Why mobile phones are NOT a health hazard 2018-07-21T04:00:00Z We would be astounded if gyms provided tobacco to patrons, so we must pose serious questions to gyms who provide ultraviolet radiation. Health clubs using tanning beds to attract members despite cancer risks 2018-07-21T04:00:00Z Ozone is formed in the stratosphere some 15 to 30km above the surface of the Earth by the interaction of solar ultraviolet radiation with oxygen in the air. China 'home foam' gas key to ozone mystery 2018-07-08T04:00:00Z These ingredients offer our skin protection from burns and potentially cancer by absorbing harmful ultraviolet radiation before it reaches our skin. Why Is Hawaii Banning Sunscreen? 2018-06-30T04:00:00Z Because ultraviolet radiation and oxidizing compounds in the martian soil would destroy any compounds exposed at the surface, Curiosity's scientists used a robotic drill to penetrate several centimeters into the mudstone. NASA rover hits organic pay dirt on Mars 2018-06-07T04:00:00Z Methane is also quickly broken down by ultraviolet radiation, so any of the gas discovered on Mars was probably released recently. Curiosity Rover Uncovers Long-Sought Organic Materials on Martian Surface 2018-06-07T04:00:00Z Tanning is a sign the body is receiving too much cancer-causing ultraviolet radiation. Health clubs using tanning beds to attract members despite cancer risks 2018-07-21T04:00:00Z In this location, the newly formed ozone absorbs ultraviolet radiation, preventing most of it from reaching the ground. China 'home foam' gas key to ozone mystery 2018-07-08T04:00:00Z The ozone acts like a big shield, protecting Earth against the Sun’s harmful ultraviolet radiation. Why it’s time to study how rocket emissions change the atmosphere 2018-05-31T04:00:00Z And all that loose chlorine was tearing up the ozone layer, ripping up the chemical bonds of high-flying molecules that protect Earth’s surface from ultraviolet radiation. Earth's Ozone Layer is Under Attack--Again 2018-05-22T04:00:00Z That loss of ozone, in turn, weakens our protection from ultraviolet radiation at Earth’s surface. Someone, somewhere, is making a banned chemical that destroys the ozone layer, scientists suspect 2018-05-16T04:00:00Z In future, we might use implants to augment our senses so we can detect infrared or ultraviolet radiation directly or boost our cognitive processes by connecting ourselves to memory chips. No death and an enhanced life: Is the future transhuman? 2018-05-06T04:00:00Z The bill includes an exemption for minors with a prescription for “ultraviolet radiation treatment.” Senate passes bill to ban tanning for minors 2018-04-03T04:00:00Z The stars' ultraviolet radiation, the idea goes, would excite hydrogen atoms into a different state, causing them to absorb CMB photons. Astronomers Glimpse Signposts of Universe's First Stars 2018-02-28T05:00:00Z The first stars to form generated copious fluxes of ultraviolet radiation that suffused the early Universe — a phenomenon referred to as the cosmic dawn. A surprising chill before the cosmic dawn 2018-02-27T05:00:00Z The ozone layer that protects people from the sun’s ultraviolet radiation is not recovering over most highly populated regions, scientists warned on Tuesday. Ozone layer not recovering over populated areas, scientists warn 2018-02-06T05:00:00Z For instance, the Sun produces a lot of extreme ultraviolet radiation, which then gets absorbed by the gasses around our planet. For the first time, a NASA mission to study space weather will live on a commercial satellite 2018-01-16T05:00:00Z But it receives about 30 times more extreme ultraviolet radiation than Earth. Nearby planet is a top target for life 2017-11-15T05:00:00Z The public feared scientists' well-being at the South Pole, wondering if they would be burned by ultraviolet radiation while studying the hole that would blind them or damage their skin. The Earth’s ozone hole is shrinking and is the smallest it has been since 1988 2017-11-03T04:00:00Z This was important because the so-called ozone layer in the stratosphere absorbs harmful solar ultraviolet radiation, thereby protecting living things on earth. Falling Walls: How Repairing the Ozone Hole Helped the Climate 2017-11-02T04:00:00Z Our best guess is that the lower flux of ultraviolet radiation during the winter, along with the sun-blocking effect of the ring shadows on the winter hemisphere, reduces the production of the overlying haze. Cassini at Saturn: A Retrospective 2017-09-13T04:00:00Z Ozone in the stratosphere provides a shield from ultraviolet radiation. Colorado Editorial Roundup 2017-08-09T04:00:00Z The stratosphere contains ozone, which absorbs harmful ultraviolet radiation from the Sun and heats up the stratosphere in the process. How the discovery of a hot Jupiter's stratosphere could help the search for life on other planets 2017-08-02T04:00:00Z No matter where your complexion falls on the Fitzpatrick Skin Type scale, ultraviolet radiation from the sun or tanning beds will damage your skin. The price of a sunburn is higher than you may realize 2017-07-07T04:00:00Z They then exposed it to ultraviolet radiation in the same general wavelength as that which bathes Mars. Why Life on Mars May Be Impossible 2017-07-06T04:00:00Z In 1991, Shepherd built a satellite instrument capable of measuring airglow, which results when ultraviolet radiation from the sun separates molecular oxygen into individual atoms. Bright nights: scientists explain rare phenomenon of 'nocturnal sun' 2017-06-28T04:00:00Z The most harmful factor, the reviewed studies concluded, was the high level of solar ultraviolet radiation found beyond the ozone layer. What Happens to Spores in Space? 2017-04-03T04:00:00Z The ozone layer of the stratosphere shields Earth from most of the sun’s ultraviolet radiation, which would be extremely damaging to living things, including people. Seattle-native-turned-climate-scientist: Numbers don’t lie about human impact on Earth 2017-01-26T05:00:00Z Given its proximity to its small, red star, she suggested that the ultraviolet radiation on Proxima Centauri b is probably intense but the light Martian-dim. ‘The World Sees Me as the One Who Will Find Another Earth’ 2016-12-07T05:00:00Z Plasma has an advantage over other sterilizing technologies like ultraviolet radiation, he says, because the ionized gas can reach every nook in which norovirus might hide on the surface of the berries. Healthier blueberries, thanks to a blast of purple plasma 2016-12-05T05:00:00Z FieldTurf claimed TenCate altered the chemical formulation of the fiber, making it more susceptible to the harmful effects of ultraviolet radiation. Report: Company sold turf product after learning of defects 2016-12-04T05:00:00Z They were among the first to warn that the atmosphere’s ozone layer, which protects the planet from potentially lethal ultraviolet radiation, was being dissipated by chlorine gases. Ralph Cicerone, Scientist Who Sounded Climate Change Alarm, Dies at 73 2016-11-07T05:00:00Z The list identifies factors including chemicals, agents like viruses, X-rays and ultraviolet radiation, and divides them into two categories — known to be a human carcinogen and reasonably anticipated to be a human carcinogen. Seven agents, including HIV, added to U.S. list of carcinogens 2016-11-03T04:00:00Z The sun’s punishing ultraviolet radiation would destroy most of the microbes on the surface of a lander or rover within a few hours. Going to Mars Could Mess Up the Hunt for Alien Life Then, as now, ultraviolet radiation poured from the sun, and radon seeped from granite in the ground. The Known: Cancer Is Really, Really Old. The Unknown: How Common It Was. 2016-08-22T04:00:00Z Proxima Centauri regularly blasts the exoplanet with energetic streams of X-ray and ultraviolet radiation—up to 400 times the amount that reaches Earth from the Sun. Earth-like Planet Discovered Near Solar System 2016-08-24T04:00:00Z It’s visible to the naked eye here on Earth because it is so strongly illuminated by ultraviolet radiation and brightly glowing ionized gas. New Photo of Orion Nebula Reveals Its Spectacular Heart 2016-07-12T04:00:00Z More ultraviolet radiation leads to increased incidence of skin cancers, cataracts and other health problems. Ozone Hole Shows Signs of Shrinking, Scientists Say 2016-06-30T04:00:00Z "This layer gives some protection against ultraviolet radiation, so when it is gone, the skin is more sensitive to the sun," Reed says. Surprising Things That Can Increase Sun Sensitivity 2016-06-22T04:00:00Z Agreed 16 years earlier, the mechanism sought to limit damage to the stratospheric ozone layer that protects the planet from harmful ultraviolet radiation. Green giant 2016-03-31T04:00:00Z Methane is normally destroyed by ultraviolet radiation within a few hundred years of its creation. ExoMars: 'giant nose' to sniff out life on Mars prepares for launch 2016-03-13T05:00:00Z Because of the skin cancer risks associated with all ultraviolet radiation, getting vitamin D through sunbathing is a balancing act. Can You ‘Suntan’ Through a Window? 2016-02-22T05:00:00Z “To intentionally damage your skin by exposing yourself to ultraviolet radiation - I don’t see any reason to do that,” Brodell said. Bills would ban minors from Mississippi indoor tanning beds 2016-02-19T05:00:00Z The researchers confirmed that Neanderthal DNA can help protect the skin from the sun's ultraviolet radiation and harmful germs, and they made several new findings. Neanderthal DNA May Play Role in Modern Human Health 2016-02-11T05:00:00Z In late October, Silverthorne visited an oncologist, who diagnosed squamous cell carcinoma, a sometimes aggressive but nonlethal form of skin cancer caused by prolonged exposure to ultraviolet radiation. For small-city mayor, 2015 was ‘a terrible year’ 2015-12-29T05:00:00Z "The facts are that indoor tanning is a source of ultraviolet radiation, period. Ultraviolet radiation is a known carcinogen, period. This is a needless exposure to ultraviolet radiation," acting U.S. FDA proposes banning children under 18 from using tanning beds 2015-12-18T05:00:00Z We commend the FDA for educating the public about the dangers of exposure to harmful ultraviolet radiation and restricting use for our nation’s youth. FDA to bar teens, children from indoor tanning 2015-12-18T05:00:00Z Laying out in the sun or using tanning beds exposes skin to damaging ultraviolet radiation that prematurely ages the skin and greatly boosts skin cancer risk, including melanoma, the deadliest form of the disease. 20 Health Mistakes to Stop Making Before You Turn 40 2015-10-16T04:00:00Z The intense ultraviolet radiation on the Martian surface would have killed many more — but not all, and some drop in the soil as Curiosity trundles by and performs its science work. Mars Is Pretty Clean. Her Job at NASA Is to Keep It That Way 2015-10-05T04:00:00Z Its atmospheric pressure is only 0.6% of Earth’s and its surface is bombarded by ultraviolet radiation. After Mars, hunt for water and life goes deep into the solar system 2015-10-03T04:00:00Z Tanning is the skin’s response to damage caused by ultraviolet radiation. Indoor Tanning and the Myth of a Healthy Tan 2015-09-01T04:00:00Z Until recently, astrobiologists thought that this dense inner region of stars would suffer from a larger number of supernova explosions, baking the planets in ultraviolet radiation and stunting or eradicating life before it developed intelligence. Where SETI should search for intelligent life 2015-08-28T04:00:00Z More than 90% of cases are linked to exposure to the sun or other sources of ultraviolet radiation. Jimmy Carter reveals his cancer is melanoma. What is melanoma? 2015-08-20T04:00:00Z Lots of additional uses were found for CFCs before it was discovered that the chemicals had the nasty effect of breaking down stratospheric ozone, which protects the earth from ultraviolet radiation. The Woman Who Could Stop Climate Change 2015-08-24T04:00:00Z The Food and Drug Administration calls ultraviolet radiation a carcinogen. Go ahead, soak up some sun 2015-07-24T04:00:00Z Basal cell skin cancers usually result from regular exposure to the sun and other forms of ultraviolet radiation, the FDA says. New Skin Cancer Drug Approved by FDA 2015-07-24T04:00:00Z Charon’s dark-reddish polar cap is probably coloured by ultraviolet radiation that bombards the moon’s surface, transforming ices into complex organic compounds. Vibrant Pluto stuns scientists 2015-07-20T04:00:00Z Pluto is also reddish in colour, probably because ultraviolet radiation pummelling its surface turns ices into complex hydrocarbon compounds called tholins. Pluto and Charon come into sharper focus 2015-07-12T04:00:00Z Furthermore, a recently published study by Dr. Brash’s team at Yale showed that much of the harm to skin cells caused by ultraviolet radiation occurs hours after the exposure has ended. With Summer Sun Come Signs of Danger 2015-06-29T04:00:00Z Overexposure to ultraviolet radiation is the main preventable cause of skin cancers - both malignant melanoma and non-melanoma skin cancers, Cancer Research UK says. Public confused by sunscreen labelling, say experts - BBC News 2015-06-25T04:00:00Z The decade faded with the International Agency for Research on Cancer's 2009 report adding ultraviolet radiation from tanning machines to its highest cancer risk category: "carcinogenic to humans." Talking tanning tips with St. Tropez's Katrina Brown 2015-06-19T04:00:00Z Ozone absorbs ultraviolet radiation, preventing most of it from reaching the ground. How Arctic ozone hole was avoided by Montreal Protocol - BBC News 2015-05-26T04:00:00Z M dwarfs are much less luminous than sunlike stars and far more variable, dramatically dimming and brightening because of star spots and stellar flares, bathing planets in x-rays and ultraviolet radiation. M-Dwarfs Could Be the Best—or Worst—Extraterrestrial Homes 2015-05-13T04:00:00Z Nota: Hubble can look in wavelength regimes that are not accessible from the ground, like ultraviolet, because ultraviolet radiation gets absorbed by the atmosphere. Biography of a space telescope: Voices of Hubble Especially if it lies outside the visible spectrum, like x-rays or ultraviolet radiation. Human Eye Sometimes Sees the Unseeable 2015-01-06T05:00:00Z It might also be the reaction product of water, rock-bound minerals, and ultraviolet radiation. Mars and comets: a brief summary of this week's sweetest space news 2014-12-17T05:00:00Z Salomon explained that the longer you're exposed to ultraviolet radiation, the greater the risk of burns of the skin. Indoor Tanning Tied to Burns, Fainting, Eye Injuries: Study 2014-12-15T05:00:00Z With that protective gas gone, deadly ultraviolet radiation from a planet’s sun would rain down for months or years—long enough to cause a mass die-off. Complex life may be possible in only 10% of all galaxies 2014-11-24T05:00:00Z Tanning creates a natural shield against ultraviolet radiation. Protection: The sunscreen pill : Nature : Nature Publishing Group 2014-11-18T05:00:00Z It is usually caused by too much exposure to the Sun's ultraviolet radiation. Melanoma : Nature : Nature Publishing Group 2014-11-18T05:00:00Z One idea is that skin exposed continuously to sunlight adapts and becomes better at repairing the DNA damage caused by ultraviolet radiation. Risk factors: Riddle of the rays : Nature : Nature Publishing Group 2014-11-18T05:00:00Z The area is a serious star-forming factory that glows with the ultraviolet radiation of the brilliant hot young stars it’s constantly making. Bright Young Stars Are Made In Red-Hot Stellar Clusters 2014-08-20T04:00:00Z To prevent contamination of the lake, the crew used ultraviolet radiation, water filtration and hydrogen peroxide to sterilize the machinery and the water used to bore through the ice. Lakes under the ice: Antarctica’s secret garden 2014-08-19T04:00:00Z And yet, just after summer’s halfway mark, Acting Surgeon General Boris Lushniak, a dermatologist by training, issued a call to action: ultraviolet radiation is very bad, so stop tanning, or you might get cancer. Orange is the New Conspiracy 2014-08-07T04:00:00Z And the facts are that indoor tanning is a source of ultraviolet radiation, period. Sun and indoor tanning can cause skin cancer, surgeon general warns The second source of concern involves other nonnano sunscreen chemicals, which work by absorbing the sun’s ultraviolet radiation as opposed to reflecting it. You Asked: Is Sunscreen Safe—And Do I Really Need It Every Day? 2014-07-30T04:00:00Z "Sun protection and avoidance of ultraviolet radiation in any form should be the goal." Indoor Tanning Ups Melanoma Risk, Even Without Burning: Study 2014-05-28T04:00:00Z Supporters say the prohibition will lower risks of skin cancer associated with exposure to ultraviolet radiation from sunlight or tanning lamps and beds. Jindal signs tanning bed ban for minors into law 2014-05-23T04:00:00Z When her last dermatologist started talking about ultraviolet radiation, a treatment used on patients with psoriasis, she looked around once more. Think Like a Doctor: The 18-Year Rash 2014-05-01T04:01:14Z The indoor tanning industry and artificial sources of ultraviolet radiation? Sun and indoor tanning can cause skin cancer, surgeon general warns And more importantly, such large amounts of ultraviolet radiation would destroy both land- and sea-based ecosystems, as well as agricultural food crops, potentially leading to global nuclear famine. Regional Nuclear War Would Still Wreak Global Climate Havoc, Says Study 2014-03-08T12:03:00Z It also tries to outshine companies that create energy-saving windows by adding a coating to block infrared and ultraviolet radiation. A Startup's $100M Plan To Make Dumb Windows Smart 2014-01-07T11:00:00Z The first is simply that both ultraviolet radiation from the sun and galactic cosmic rays would likely destroy microbial life in the unprotected vacuum of space. Life On Earth Didn't Begin On Mars, Says Astrochemist 2013-12-27T10:54:00Z This year's report -- which covered everything from ultraviolet radiation in the Arctic to muskoxen -- included contributions from 147 authors in 14 countries. Arctic Report Card: Failing to Stop Warming 2013-12-13T16:15:07.206Z This is a needless exposure to ultraviolet radiation. Sun and indoor tanning can cause skin cancer, surgeon general warns The most damaging effects came from the ultraviolet radiation the spores experienced outside Earth’s protective atmosphere. New Bacterial Life-Form Discovered in NASA and ESA Spacecraft Clean Rooms 2013-11-20T12:15:00.360Z Scientists believe that at some point, high-energy ultraviolet radiation from exploded stars split the intergalactic hydrogen atoms into electrons and protons. Astronomers discover most distant galaxy yet 2013-10-23T21:34:28Z "Nothing is more naturally damaging to our eyes than ultraviolet radiation," Bazan says. How to Prepare for a Visit to the Eye Doctor 2013-10-23T18:05:00Z The World Health Organization rates ultraviolet radiation from tanning beds as a Class 1 carcinogen, putting the devices on a par with cigarettes and exposure to harmful chemicals or X-ray radiation. Next Frontier in Ban on Tanning Beds 2013-10-22T14:03:31Z These pathways function to excise and repair abnormal bases or nucleotides, such as deaminated cytosines or ultraviolet radiation induced pyrimidine dimers. The causes and consequences of genetic heterogeneity in cancer evolution 2013-09-18T17:22:16.487Z Melanoma develops when skin cells are damaged by ultraviolet radiation and turn into malignant tumors. The Texas Tribune: With Youth Tanning Law, Texas Aims to Lower Melanoma Risk 2013-08-29T23:41:48Z “The risk of developing melanoma increases by 75 percent for individuals who’ve been exposed to ultraviolet radiation from indoor tanning.” | Washington: New Rules Proposed for Tanning Beds 2013-05-07T01:01:51Z Scientists on-site sterilize the in the drill system through several steps that include filters and life-killing ultraviolet radiation. 'New' Antarctica Bacteria Now Said to Only Be Contaminant 2013-03-12T14:45:03.393Z The gray powder is strikingly different than the ubiquitous red dust that covers the planet's surface, a result of oxidation from solar ultraviolet radiation. NASA Mars rover ready to eat, analyze rock powder 2013-02-20T23:46:50Z Generally speaking, however, ozone absorbs ultraviolet radiation and therefore warms the atmosphere. Green Blog: The Enduring Effects of Ozone Depletion 2013-02-01T13:25:06Z This can be done by removing the region of the egg that contains chromosomes with a needle or by killing the nuclear material with ultraviolet radiation. Transplanted Nuclei and Cell Differentiation, by Sir John B. Gurdon 2012-10-09T23:45:00.177Z These star-forming regions of the clouds, often called the Galaxy’s stellar nurseries, are tumultuous: newborn stars eject matter in the form of fierce stellar winds, along with floods of ultraviolet radiation. Galaxy formation: The new Milky Way 2012-10-03T18:21:29.637Z If skin cells survive after mild damage by ultraviolet radiation, this might provide some protection. Q&A: On the case 2012-08-29T17:51:29.740Z There are significant implications for stratospheric ozone, which shields the Earth from ultraviolet radiation. Storms May Speed Ozone Loss Above the U.S. 2012-07-30T15:45:00.243Z To live comfortably for long periods on the lunar surface will require permanent shelter from micro-meteorite impacts, high-energy ultraviolet radiation, energetic particles; even extreme diurnal temperature variations. Life In A Lunar Lava Tube: Nearside Tunnels As Ready-Made Moonbases 2012-07-30T10:16:28Z Chronic exposure to the sun or ultraviolet radiation in tanning booths is the major environmental factor that causes BCC. Coffee May Help Protect Against Skin Cancer 2012-07-02T21:45:00.217Z Largely arid and extremely hostile, Cuatro Ciénegas is inhabited by organisms able to survive on few nutrients, high salinity, soaring temperatures and high ultraviolet radiation. Cuatro Ciénegas Journal: Learning About Life on Mars by Studying Mexico Desert 2012-06-27T00:20:02Z That extra risk is similar to that of ultraviolet radiation, the most well-known risk factor for squamous cell cancer, according to a commentary published along with the new results in the Archives of Dermatology. Smoking tied to one type of skin cancer 2012-06-20T16:00:34Z Children between 14 and 17 are now allowed to bask in machine-generated ultraviolet radiation with parental consent. Albany Bill to Ban Indoor Tanning by Teenagers Under 17 2012-06-15T01:25:30Z Diesel is now in the same category as other known hazards like asbestos, alcohol, and ultraviolet radiation. Health Buzz: Diesel Exhaust Causes Cancer 2012-06-13T12:53:00Z UVB accounts for the remaining 5 percent of ultraviolet radiation that reaches the Earth. What's new under the sun for skin care 2012-06-07T01:58:02Z The ionosphere is the last, thinnest part of the atmosphere, where solar ultraviolet radiation breaks up molecules and leaves a haze of electrons and ions. Fukushima quake, tsunami disturbed upper atmosphere: NASA 2012-05-30T19:33:52Z Scientists measured the brain activity and blood flow of study participants subjected to ultraviolet radiation in a tanning bed. 1 in 5 Americans Will Get Skin Cancer. Will It Be You? 2012-05-23T17:30:00Z Figure 1: Elevated mutation rates and spectra indicative of ultraviolet radiation damage. Melanoma genome sequencing reveals frequent PREX2 mutations 2012-05-23T17:22:14.467Z The sun is a source of the full spectrum of ultraviolet radiation. Next Generation of Light-based Microscopes 2011-10-05T14:09:00Z Differences in ultraviolet radiation were also factored in. Coral Reefs: Winners and Losers 2011-08-10T22:00:00Z The state also requires tanning salons to provide a warning statement, which clients must sign, that defines the risks of exposure to ultraviolet radiation. Tanning-bed industry faces legislative heat in North Carolina 2011-06-06T18:29:04Z They may also be able to use infrared or ultraviolet radiation to drive photosynthesis. Planets 'may have black plants' 2011-04-20T13:45:20Z Figure 1: Elevated mutation rates and spectra indicative of ultraviolet radiation damage. Melanoma genome sequencing reveals frequent PREX2 mutations 2012-05-23T17:22:14.467Z Lavin says that the extreme temperatures and exposure to ultraviolet radiation in Antarctica allow the area to "function as a natural laboratory that promotes the selection of organisms resistant to such pressures". Antarctic Microbes Live Life to the Extreme 2011-04-05T15:45:02.503Z The amount of ultraviolet radiation received by Peru is not very different from what it was 100 years ago. For Peru schoolkids, sun hats now de rigeur 2011-03-28T16:28:23Z The cases were compared with census data and ultraviolet radiation exposure measures from the National Oceanic and Atmospheric Administration. Vital Signs: Risks: Wealthier Women Get More Melanoma, Study Finds 2011-03-24T21:27:11Z The main rationale was the chemicals' harmful effects on the ozone layer, the thin chemical shell that protects the planet from ultraviolet radiation. Measures to Save Ozone Stemmed a Lot More Global Warming 2011-01-07T23:11:00Z They believe that nitrous oxide is the leading human-caused threat to the atmospheric ozone layer, which protects Earth from harmful ultraviolet radiation from the Sun. Global Rivers Emit 3 Times IPCC Estimates of Greenhouse Gas Nitrous Oxide 2010-12-21T15:43:00Z The company’s new plant will manufacture Tedlar, a durable plastic film used to protect solar photovoltaic panels from moisture and ultraviolet radiation. Square Feet: Midwest Emerges as Center for Clean Energy 2010-12-01T06:17:00Z Vitamin D isn’t a true vitamin but rather a hormone made from skin cells when they are hit by ultraviolet radiation from the sun. Vitamin D Targets Increased 2010-11-30T16:36:00Z Living in an area with high ambient ultraviolet radiation also was associated with an increased risk of melanoma, the researchers found. Vital Signs: Risks: Wealthier Women Get More Melanoma, Study Finds 2011-03-24T21:27:11Z Perceptions: UV Radiation Poses Hidden Risk for Skiers Skiers, beware: you’re exposed to more ultraviolet radiation than you think. Vital Signs: Perceptions: UV Radiation Poses Hidden Risk for Skiers 2010-11-19T04:30:00Z The message is an old one, despite the new looks: too much of the sun's ultraviolet radiation will turn your skin into a crinkly patch of leather and up your cancer risk. Skip sunbathing, use tanning lotion, doctors say 2010-09-21T07:53:00Z KW, West Virginia Dr. Fisher responds: Skin changes due to aging are significantly accelerated by ultraviolet radiation. Expert Answers About Melanoma 2010-09-20T15:56:00Z "These findings may suggest an emerging public health concern in race/ethnic subgroups residing in Florida, a geographic location with heavy ultraviolet radiation exposure," Kirsner and his colleagues write. Darker skin doesn't mean melanoma immunity 2010-07-20T21:15:00Z That in turn means more time and tissue exposed to the single biggest cause of skin damage and : ultraviolet radiation. Personal Health: When Tanning Turns Into an Addiction 2010-06-21T20:59:00Z It is well established that excessive exposure to ultraviolet radiation, both from the sun and from indoor facilities, can increase the risk of skin cancer. Can you become addicted to tanning beds? 2010-04-19T20:26:00Z Space probes sent to Mars in the 1960s found no sign of Martian engineering projects, and no sign of life either, just a freeze-dried desert bathed in deadly ultraviolet radiation. Is Anybody Out There? 2010-04-10T03:18:00Z Exposure to harsh ultraviolet radiation, especially at high altitudes as in Nepal, is a major risk factor. Nepalese doc is God of Sight to poor 2010-03-21T04:02:00Z The hole in the layer, discovered above Antarctica in the mid-1980s, caused wide alarm because ozone plays a crucial role in protecting life on Earth from harmful ultraviolet radiation. 2010-01-26T08:01:00Z Vitreous silica is optically inactive, when homogeneous, and is highly transparent to ultraviolet radiations. The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame For the use of chemical and physical students One of our weather observers, orbiting at four hundred miles, picked up a tremendous flash of hard ultraviolet radiation in the area around the three thousand Ångstrom band. Anything You Can Do ... Strange though it might seem, the increased ultraviolet radiation could also be accompanied by a drop in the average temperature. Worldwide Effects of Nuclear War: Some Perspectives Fortunately, because of the earth's atmosphere, only a trace of this dangerous ultraviolet radiation actually reaches the earth. Worldwide Effects of Nuclear War: Some Perspectives However, a delayed effect of the increase in ultraviolet radiation would be an estimated 3 to 30 percent increase in skin cancer for 40 years in the Northern Hemisphere's mid-latitudes. Worldwide Effects of Nuclear War: Some Perspectives Thus, the possibility of a serious increase in ultraviolet radiation has been added to widespread radioactive fallout as a fearsome consequence of the large-scale use of nuclear weapons. Worldwide Effects of Nuclear War: Some Perspectives Now a Martian paper-tree, even in the mutated form, is quite resistant to U-V, since it evolved under the thin atmosphere of Mars, which gives much less protection from ultraviolet radiation than Earth's does. Anything You Can Do ... |
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