Coral Conundrum

An up close image of coral underwater. The coral in the foreground is bleached white while the coral in the background is brown. Small fish swim in the background.

Could fun in the sun – mean grief in the reef? This is Sandra Tsing Loh with the Loh Down on Science. The sun’s ultraviolet rays cause suntans, sunburns… and an increased risk of skin cancer.  Sunscreen protects our skin by using chemicals like oxybenzone to absorb harmful UV rays.

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