Coral Conundrum

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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Monster Fossil

Hey baby, what’s your state fossil? This is Sandra Tsing Loh with the Loh Down on Science, saying: Learn from our mistakes: Don’t use that line. For the record, California’s state fossil is the saber-toothed tiger, of course! Naming fossils is the easy part. Finding where they go on the

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Hit Parade

Rockin’ Robin. It’s a classic hit… in more ways than one! This is Sandra Tsing Loh, with the Loh Down on Science. Songbirds pass down tunes that can long outlast any one bird’s lifetime. In fact, people have recorded melodies that are exactly the same, but tweeted decades apart! But

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Butane on Wheels

Bicycles. Green energy… in more ways than one! This is Sandra Tsing Loh with the Loh Down on Science. Hydrocarbons like butane are chemicals used in fuels. Fuels use the energy stored in the bonds of these molecules. Bonds can hold a lot of energy, but too much makes them

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Toxic Baby Food

Ughhh, what did I eat?. This is Sandra Tsing Loh with the Loh Down on Science. Caterpillars are cute, but not when they damage crops. Plants defend themselves by producing chemicals that attract wasps, a natural pest control. Wasps lay eggs in caterpillars, and hatchlings slowly eat the caterpillars from

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Smell Detector

Is the bathroom still smelly? Odorbot to the rescue! This is Sandra Tsing Loh with the Loh Down on Science. Ever dream of having a day when smelling unpleasant odors is a distant memory? Kenshi Hayashi and colleagues at Kyushu University share this dream. And they’re working on a solution:

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Little Champs

How do kids have so much BLEEPING energy? This is Sandra Tsing Loh with the Loh Down on Science. Young children can scream and run around all day. It’s like they have enough energy to be Olympic athletes… But could they really? Anthony Birat and colleagues at Clermont-Auvergne University decided

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Dino Dominance

Did the dinosaur age begin with a bang? This is Sandra Tsing Loh with the Loh Down on Science. Scientists believe dinosaurs met their end from through some kind of natural disaster. But their origins remain a mystery. It seems they were very rare at first, before suddenly ballooning in

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