Sentences with phrase «ultraviolet rays»
"Ultraviolet rays" refers to a type of light that comes from the sun and is invisible to the human eye. These rays have higher energy than the light we can see, and they can be harmful to our skin and eyes if we are exposed to them for too long without protection. Full definition
Without a protective layer of ozone, life would be exposed to DNA - damaging ultraviolet rays from the sun.
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Take our quiz to see if you know how to protect your baby's tender skin from harmful ultraviolet rays.
It's important that you protect yourself carefully from those damaging ultraviolet rays that can make your skin dry and lacking in brightness.
Your body uses ultraviolet rays from the sun to manufacture vitamin D in the inner layers of your skin.
Without the use of a black light, the extent of the disease could go unnoticed and worsen over time with ultraviolet ray exposure or laser therapy.
The windshield of your vehicle does not keep harsh ultraviolet rays from reaching your skin.
Designed for superior performance, this helmet features widespread coverage for your head and neck and provides protection from infrared and ultraviolet rays for your eyes.
It will also keep dangerous ultraviolet rays from cracking and fading the interior of your vehicle at the same time.
The sun's ultraviolet rays split some of these oxygen molecules, and the freed elemental oxygen combined with normal oxygen to create ozone.
Here, the high density of stars means that at any given time several could be exploding, frying off a planet's ozone layer and exposing any surface life to deadly ultraviolet rays.
The humidity can be as low as 10 %, there are intense ultraviolet rays from the sun, and the high altitude can leave people short of breath.
That will not be OK because there will be ultraviolet rays getting through.
For light with wavelengths that are shorter than those of visible light, like ultraviolet rays, it is possible to use optical telescopes.
For example, fair skin allows more absorption of the sun's ultraviolet rays necessary for the skin to make vitamin D.
When you put the E vitamin directly onto the skin, it reduces your chance of skin cancer by creating a barrier against ultraviolet rays.
The stroller has an adjustable water resistant canopy which can protect your toddler from harsh ultraviolet rays, the wind, and the rain.
During the day, ultraviolet rays from the sun split oxygen, nitrogen, and other molecules in the upper atmosphere.
The stratospheric ozone layer, a fragile shield of gas, protects Earth from harmful ultraviolet rays of the sun.
Researchers at the Friedrich Miescher Institute for Biomedical Research in Switzerland in collaboration with researchers in NIBR, the University of Basel, and Professor SUGASAWA Kaoru, a member of the Biosignal Research Center at Kobe University, have contributed to revealing the molecular mechanism by which DNA damaged by ultraviolet rays is efficiently repaired.
Antimalarial drugs protect against skin damage from ultraviolet rays in sunlight and may protect your body against organ damage linked to lupus.
The large size of this year's ozone hole will likely result in increases of harmful ultraviolet rays at Earth's surface, particularly in Antarctica and the Southern Hemisphere in the coming months.
Ultraviolet rays break the plastic into molecular strains that are impossible to detect with the naked eye or satellites.
A United Nations study has said that the ozone layer, which shields the planet from deadly cancer - causing ultraviolet rays, is showing signs of thickening again, after years of depletion.
«Thick coats provide physical protection from the sun's rays, and dark coats absorb much of the damaging ultraviolet rays emitted by the sun.»
Furthermore, fewer sunlight ultraviolet rays which may kill the pathogen and cold temperatures may let influenza linger both in the air and on common household surfaces; drier air may also make it easier for the virus to infect the lungs.
FlightControl is a non-lethal repellent that absorbs ultraviolet rays to make the grass appear spotted, at least to a goose, said product project leader Jim Headley.
Moreover wearing a broad - spectrum sunscreen on your day out will keep your skin safe from skin - ravaging ultraviolet rays doesn't matter what the season is.
A person's cancer risk can also be reduced by receiving regular medical care, avoiding tobacco, limiting alcohol use, avoiding excessive exposure to ultraviolet rays form the sun and tanning beds, and being physically active.»
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You need to fend off the suns ultraviolet rays at every age.
The new guidelines will require sun protection formula labeling to have proven effectiveness against ultraviolet rays such as UVA and UVB to claim protection against skin cancers.
Sunlight contains Ultraviolet ray.
It is recommended that you expose your infant to sunlight because ultraviolet rays undergo a reaction with bilirubin and transform it into a form not requiring expulsion through the liver.
Not to mention the radiation: In low Earth orbit, the sun's ultraviolet rays hit DNA 1,000 times more intensely.
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.
This week, we have stories on how ultraviolet rays may have jump - started the first enzymes on Earth, a new fossil find that helps date how quickly birds diversified after the extinction of all the other dinosaurs, and a drug that may help reverse the effects of traumatic brain injury on memory with Online News Editor Catherine Matacic and special guest Carolyn Gramling.
Mice treated with a strain of S. epidermidis that does not make the compound 6 - HAP and then exposed to ultraviolet rays developed UV - induced tumors (left).
The leading candidates for triggers have been solar ultraviolet rays, lightning in thunderstorms, and superhot impact plumes from meteorites.
A flexible but stiff exoskeleton that resists harmful ultraviolet rays protects the arthropods.
When ultraviolet rays from the sun fall on methane, they break the molecule into components that form ethane, a constituent of natural gas on Earth.
And the absence of UVB light effectively killed the mood: As soon as either sex was exposed to light without ultraviolet rays (and the showy scales or palps were obscured), the other immediately lost interest in mating.
(Think of Mars, where ultraviolet rays pelt the surface.)
While the large size of this year's ozone hole is likely to result in an increase in the amount of harmful ultraviolet rays striking the Earth's surface — particularly in Antarctica and the Southern Hemisphere — in the coming months, it does not reverse estimates of the projected long - term recovery in the coming decades, the World Meteorological Organization said, in a statement.
Dr. El Habbak explains that ultraviolet rays sterilize the ulcer, while crosslinking bolsters collagen bonds and renders the cornea more resistant to bacterial enzymes.
For example, light - skinned people are at a significantly greater risk of skin cancer, sunburn and other concerns when exposed to high ultraviolet rays, as opposed to longtime residents whose skin has adapted appropriately through evolution.