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What Color Are Your Sunglass Lenses? It Matters More Than You Think
CNET· 3 days 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· 3 days agoUltraviolet (UV) radiation is emitted by the Sun and penetrates the Earth's atmosphere. "Melanoma,...