Smog Breath

Does this smog make me look fat? This is Sandra Tsing Loh with the Loh Down on Science, and a weight-gain study we hope doesn’t make you hyperventilate! Who’s asking it? Environmental health scientists at Ohio State University. They wanted to examine how exposure to air pollution early in life

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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 U-V rays.

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Poopopotamus

Hippo poop stinks — in more ways than one! This is Sandra Tsing Loh with the Loh Down on Science. In Tanzania, Africa, hippos are big. And they leave a big mark. How big? These large mammals generate over fifty-two-thousand metric tons of dung each year! People originally thought that

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