Sentences with phrase «more ultraviolet»

Surprisingly, again, very recent research by the Indian Institute of Tropical Meteorology (IITM) has found that Mumbai is exposed to more ultraviolet (UV) radiation than the capital.

Apparently more ozone would cause the lower stratosphere to absorb more ultraviolet light and warm up.

In addition, more ultraviolet radiation reaching the surface will have an effect on ecosystems and species as well as agriculture around the world.

A theoretical link between solar variation and climate change needs a more active sun to emit considerably more ultraviolet.

«A thinner ozone layer allows more ultraviolet radiation to strike the earth's surface... In Patagonia, hunters now report finding blind rabbits; fishermen catch blind salmon.»

The system is self - correcting because as more ultraviolet penetrates deeper into the atmosphere it confronts more free oxygen (O2).

You may well be aware that ultraviolet light is great for healing psoriasis, and I tend to see more benefit more the ultraviolet light that comes from the sun rather than from artificial sources.

High - speed machines use higher amounts of ultraviolet - B (UVB) light while high - pressure machines use more ultraviolet - A (UVA).

«They get a lot more ultraviolet light radiation in total than people who don't [go tanning], even more than people who spend a lot of time out in the sun,» says Dr. Olbricht.

«If there is more ultraviolet light hitting the atmosphere, it will drive these photochemical reactions more efficiently,» said Domagal - Goldman.

A final possibility is that there has been increased formation of the hydroxyl radical in the atmosphere — perhaps caused by the thinning of the ozone layer, which allows more ultraviolet radiation to reach low levels.

When the sun is at its most intense, ozone in the stratosphere absorbs more ultraviolet energy, making areas near the equator warmer than usual.

«They might become more ultraviolet - resistant,» he says.

Not exact matches

If something looked green, yellow, orange or red under the ultraviolet illumination, that'd be a more clear - cut indicator of fluorescence.»

But if you go south and higher in elevation, full sun with all its ultraviolet light can burn the crap out of your plants, causing sunscald on the pods and leaf drop on more sensitive varieties like habaneros, which need some shading.

UPF (Ultraviolet Protection Factor) rating of 50 +... This rating means the sun hat will block out more than 97.5 % of UVA and UVB Rays.

Baby is tucked in snugly, the light is then wrapped around them in a form of a blanket, and the ultraviolet rays then breaks down the bilirubin so it can be passed through their body more easily.

Most jaundice needs no treatment, but when it does, phototherapy (light therapy) is considered very safe and effective: Placing a baby naked in a bassinet, with his eyes covered, under blue «bililights» often does the trick, because ultraviolet light changes the bilirubin to a form that the baby can more easily dispose of in his urine.

Not to mention the radiation: In low Earth orbit, the sun's ultraviolet rays hit DNA 1,000 times more intensely.

They will also target individual protostars within the cloud itself to learn how ultraviolet light from these nascent stars promotes the creation of more complex molecules.

The company also utilizes a new manufacturing method called instantaneous ultraviolet curing which makes the surface of the desk incredibly resilient and scratch resistant, in turn offering you more long - term value for your money.

So when the solar system is traveling through that part of the galaxy, about every 62 million years, more cosmic rays hit Earth, causing direct radiation, increased ultraviolet rays and perhaps altered weather patterns.

With this unique patterning, the absorbers can be boosted to harvest more solar energy from the ultraviolet and visible regions of the electromagnetic spectrum,» said Masdar Institute postdoctoral researcher Dr. Jin You Lu, who is the paper's lead author along with MIT postdoctoral researcher Dr. Sang Hoon Nam.

With instruments capturing ultraviolet, optical and infrared light, the combined collecting area of the telescope's 492 mirror segments will be more than two orders of magnitude larger than Hubble's.

But to the Hubble's infrared, visible, and ultraviolet sensors, it looks more like an Impressionist masterwork.

We know that they are under stress when they are fighting cancer or other diseases, so I wondered whether anything measureable could be seen if we put them under further stress with UVA light.We found that people with cancer have DNA which is more easily damaged by ultraviolet light than other people, so the test shows the sensitivity to damage of all the DNA — the genome — in a cell.»

To learn more about specific galaxies, astronomers can draw on NASA's fleet of space telescopes, including Spitzer for infrared, the Hubble Space Telescope for visible light, and the Galaxy Evolution Explorer, called Galex, for ultraviolet.

But they are already worrying about how extra ultraviolet light might affect humans and ecosystems below and wondering whether climate change will make such Arctic holes more common or severe.

Real flowers, however, grow imperfect sets of ridges (middle, yellow cross section) that mostly produce a smear of bluish - ultraviolet reflections that could be more useful than perfect iridescence.

The resulting plastic can be programmed with ultraviolet radiation to assume any permanent shape, and it can switch back to that shape even after being deformed by more than 100 %, the team reports in the 30 January issue of the Proceedings of the National Academy of Sciences.

«One likely cause of more skin cancer among gay and bisexual men is greater exposure to ultraviolet radiation caused by indoor tanning,» said Arron, who also directs the UCSF High Risk Cancer Program.

While lower - energy ultraviolet radiation breaks up water molecules — a process called photodissociation — ultraviolet rays with more energy (XUV radiation) and X-rays heat the upper atmosphere of a planet, which allows the products of photodissociation, hydrogen and oxygen, to escape.

Although Proxima Centauri's dimness provides the planet with a balmy climate, the star is prone to outbursts of harsh X-ray and ultraviolet radiation, which could damage any chance of life on the planet — X-rays hit the surface 400 times more often than those from the sun pummel Earth.

Resin flows into the fracture, and the ultraviolet beam encounters it once more and patches the thread.

A new study suggests that the iron - and - sulfur clusters at the heart of many life - critical enzymes could have been floating around Earth's primordial seas some 4 billion years ago, produced by nothing more than primitive biomolecules, iron salts, and a previously unknown ingredient — ultraviolet (UV) light.

Launched in 1997, Cassini has been exploring the Saturn system for more than nine years with a suite of instruments that also includes visible - light cameras, ultraviolet and infrared spectrometers, as well as magnetic field and charged particle sensors.

Without the ozone layer, ultraviolet rays from the sun would reach the surface at nearly full force, causing skin cancer and, more seriously, killing off the tiny photosynthetic plankton in the ocean that provide oxygen to the atmosphere and bolster the bottom of the food chain.

More specifically, New York City officials are building a water disinfection facility some 30 miles (50 kilometers) north of Manhattan on a 153 - acre (62 - hectare) property in the Westchester County towns of Mount Pleasant and Greenburgh that will use ultraviolet (UV) light to destroy water - borne pathogens such as Escherichia coli, giardia, and cryptosporidium in reservoirs that serve city dwellers.

Future x-ray and ultraviolet telescopes will map the cosmic web more thoroughly, he predicts, shedding light on how gravity assembled hot gas into today's panoply of galaxies and stars.

Few foods are natural sources of vitamin D, which is more abundantly produced when ultraviolet radiation from sunlight strikes the skin and triggers synthesis.

So some of the more promising surfaces are undergoing environmental durability testing in conditions that mimic rain, humidity and ultraviolet radiation.

«The past decade of United States combat missions, including operations in Iraq and Afghanistan, have occurred at a more equatorial latitude than the mean center of the United States population, increasing the potential for ultraviolet irradiance and the development of skin cancer,» Powers said.

Research published in Scientific Reports shows that light from RayVio's 293nm ultraviolet (UV) LED is more efficient than sunlight at producing vitamin D3 in skin samples.

Researchers at Binghamton University, State University of New York have developed a coating made out of DNA that gets better at protecting skin from ultraviolet light the more you expose it to the sun, and it also keeps your skin hydrated.

They were likely well adapted to lower and more variable levels of ultraviolet radiation from the sun than the new human arrivals from Africa were accustomed to.

The far ultraviolet images revealed that the front edges of the shimmering auroral curtains, which can stretch 1000 kilometers tall on Saturn, raced across the planet's surface at more than 4 kilometers per second — about three times faster than the planet rotates, the researchers report in a forthcoming issue of Geophysical Research Letters.

Now, astronomers observing the cluster in ultraviolet light using the Hubble Space Telescope have found a total of nine stars with masses of more than 100 suns, the largest collection of very massive stars found to date.

To their surprise, Fox and his colleagues detected so much absorption of the background ultraviolet light that they concluded the Magellanic Stream must contain far more ionized gas than neutral gas.

«Now that we know such large changes occur, we think of hydrogen escape from Mars less as a slow and steady leak and more as an episodic flow — rising and falling with season and perhaps punctuated by strong bursts,» said Michael Chaffin, a scientist at the University of Colorado at Boulder who is on the Imaging Ultraviolet Spectrograph (IUVS) team.

They are also developing an alternative delivery system that is more amenable to modern dental practices: The chosen drug will be dissolved in a gel that is injected into a cavity and bathed with ultraviolet light to solidify it — a quick and easy procedure similar to one dentists already use to seal and repair teeth.