beach – The Loh Down On Science

Coral Conundrum

October 16, 2020 Kellen Kartub

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.

Smokes on the Water

December 5, 2017 Loh Down Staff

Newsflash: Butts are hurting marine life! This is Sandra Tsing Loh with the Loh Down on Science, saying no, we don’t mean too-small G-strings at the beach. Cigarette butts are the most common form of litter on beaches. Volunteers cleaned up more than 2 million of them from the world’s