Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

Amanda Lam is a cosmetic chemist in Los Angeles. Hadley King, MD, is a board-certified dermatologist in New York City.

Best for: Sunny outdoor activities like golfing, fishing and hiking. Green-tinted sunglasses are suitable for a variety of situations. They improve color perception and contrast, reduce glare ...