Most of us check the temperature every morning before we head outside, but there’s another number on your weather app that’s just as important: the UV Index. The UV Index tells us how strong the sun’s ...
The sunshine may look inviting, especially with warm and dry conditions, but there is an invisible threat that could harm your health. Ultraviolet Radiation, or UV, is a type of electromagnetic ...
Wearing sunscreen all year round can help protect your skin from harmful UV rays. CREDIT: DieterMeyrl via Getty Images. Get the Popular Science daily newsletterđź’ˇ ...
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