Sentences with phrase «when ultraviolet rays»
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.
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Finally, when certain ingredients interact with ultraviolet rays, they can morph into an ingredient that can cause a phototoxic, inflammatory reaction.
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.
Earth in the days when life was just beginning had no protective ozone layer, so light - dependent, iron - oxidizing bacteria formed iron minerals around themselves to protect them from damaging ultraviolet rays.
Our skin evolved to create vitamin D when it's exposed to the sun's ultraviolet (UV) rays.
Their work has already shown that airborne microorganisms die when exposed to ultraviolet rays and titanium dioxide — a common ingredient in toothpaste and a pigment in paint.
For example, he says, the cosmic ray effect could explain why CFC and ozone levels decline during the Antarctic winter, when ultraviolet radiation is scarce.
When we lost our fur, the sun's ultraviolet rays damaged our newly exposed skin, which reacted by producing melanin, a pigment that absorbs the sun's solar radiation, explain anthropologists at Penn State.
On the dwarf planet, the reddish color is likely caused by tholins, which are formed when cosmic rays and solar ultraviolet light interact with methane in Pluto's atmosphere and on its surface.
Writing in the journal Scientific Reports, Jennifer Wadsworth and Charles S. Cockell from the UK Centre for Astrobiology at the University of Edinburgh reported that compounds in Martian soil become toxic to biological organisms when exposed to ultraviolet rays from the sun.
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.
Vitamin D can be found in a small group of foods such as fish and eggs and is also produced naturally inside your body when your skin is exposed to the ultraviolet rays of the sun.
The lycopene in tomatoes can protect against prostate cancer and help keep skin looking young by eliminating free radicals that build up when you're exposed to ultraviolet rays.
When you put the E vitamin directly onto the skin, it reduces your chance of skin cancer by creating a barrier against ultraviolet rays.
These types of ingredients are very effective in blocking potentially harmful ultraviolet rays from the sun but when absorbed into the blood,...
Although your skin synthesizes some vitamin D when it's exposed to the sun's ultraviolet rays, you need a daily dietary source of the nutrient in order to get enough.
Ozone is created naturally when regular oxygen molecules, O2, come in contact with ultraviolet rays emitted from the sun.
Culver City, Calif. (November 27, 2012)-- Check in and party with Dracula, his daughter Mavis, Frankenstein, the Mummy, the Invisible Man and the rest of the gang when Sony Pictures Home Entertainment releases HOTEL TRANSYLVANIA on Blu - ray 3D ™ Combo Pack, Blu - ray ™ Combo Pack and DVD — all with UltraViolet ™ — on January 29th.
Ballers: The Complete First Season (Blu - ray + Ultraviolet) Details: 2015, HBO Home Entertainment Rated: TV - MA, language, sexual content The lowdown: This HBO comedy series stars Dwayne Johnson, set in Miami, about a retired football superstar - turned - financial manager who helps other athletes figure out what to do when they take off their uniforms.
07/05/2013 — Witness the power plays, sex and greed that motivate some of Washington's most powerful decision - makers when Sony Pictures Home Entertainment releases Media Rights Capital's HOUSE OF CARDS: THE COMPLETE FIRST SEASONon Blu - ray ™ and DVD with UltraViolet ™ June 10.
The blockbuster second film of The Hunger Games franchise that took the world by storm ignites once again when The Hunger Games: Catching Fire arrives on Blu - ray Combo Pack (plus DVD and Digital HD UltraViolet), DVD (plus Digital UltraViolet), Digital HD, Video on Demand and Pay - Per - View Friday, March 7 from Lionsgate.
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When the precursors to vitamins D2 and D3 are exposed to ultraviolet rays (such as occurs when the skin is exposed to sunlight), they yield their activated foWhen the precursors to vitamins D2 and D3 are exposed to ultraviolet rays (such as occurs when the skin is exposed to sunlight), they yield their activated fowhen the skin is exposed to sunlight), they yield their activated forms.
Why it's noteworthy: When used outdoors, living walls can protect structures from inclement weather and ultraviolet rays.