News tagged with ultraviolet rays

Cool textiles to beat the heat

Air-conditioned buildings bring welcome relief to people coming in from the heat. But creating that comfort comes with a cost to our wallets and the environment in the form of increased energy bills and greenhouse gas emissions. ...

dateNov 08, 2017 in Nanomaterials
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Video: Do anti-wrinkle creams work?

Want a younger, more perfect-looking you? Skin can stay firm and stretchy thanks to protein fibers called collagen and elastin in the tissue beneath the surface.

dateJun 13, 2017 in Other
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An all-natural sunscreen derived from algae

For consumers searching for just the right sunblock this summer, the options can be overwhelming. But scientists are now turning to the natural sunscreen of algae—which is also found in fish slime—to make a novel kind ...

dateJul 29, 2015 in Materials Science
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Video: Earth's ozone layer

Several decades ago, chlorofluorocarbons (CFCs) were chemicals used in hairspray, deodorants, foam products, air conditioners and more. In 1974 chemists Sherwood Rowland and Mario Molina published a paper that indicated ...

dateApr 07, 2015 in Environment
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