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What Color Are Your Sunglass Lenses? It Matters More Than You Think
CNET· 14 hours agoOn sunny days, it's always important to wear sunglasses to protect your eyes from the sun's UV rays....
What is the UV index: Levels and tanning risks explained
BBC News· 2 days agoUltraviolet (UV) radiation is emitted by the Sun and penetrates the Earth's atmosphere. "Melanoma,...