Thor: Rok-star

All hail the mighty Viking….climatologists?! This is Sandra Tsing Loh with the Loh Down on Science. You’re a Viking from the ninth century. NO BEER?! NO FOOD?! Is the world ENDING?! Twelve hundred years ago, Vikings carved a message on a rock– the Rok Runestone. Previously, researchers thought the Rok

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The Terrible Tribbles

What IS the trouble with tribbles? This is Sandra Tsing Loh with the Loh Down on Science. Tribbles — they multiply so fast that Captain Kirk was buried in them! But what’s worse? E. coli, responsible for food poisoning. It doubles every twenty minutes! One E. coli quickly becomes a

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Sleigh Bells and Seaweed

Christmas came and went – and so did the cookies you left for Santa! But what do reindeer eat off season? This is Sandra Tsing Loh with the Loh Down on Science. Climate change in the far north freezes Rudolph’s favorite plants. It also melts sea-ice bridges, preventing reindeer from

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Let It Snow

Why bring coals to Newcastle…or snow to Antarctica? This is Sandra Tsing Loh with the Loh Down on Science. As the earth warms due to climate change, the West Antarctic Ice Sheet is melting into the ocean. This rise in global sea level poses catastrophic threats to coastal cities world-wide.

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Marine Mucus Shelter

Hate cleaning house? Here’s a fun new solution! This is Sandra Tsing Loh with the Loh Down on Science. Larvaceans are ocean creatures that resemble tadpoles. Every day they build a three-foot long mucus shelter that also traps food. To eat, the larvacean pumps and filters seawater through this gooey

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Not-So-Final Frontier

Space — the final frontier! And your next vacation destination? This is Sandra Tsing Loh with the Loh Down on Science, saying B-Y-O-O! Bring your own oxygen – there isn’t any! But what if space is more habitable than we thought? Caltech researchers Yunxi Yao and Konstantinos Giapis reached for

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Organic Pollution

Forest meadows, fresh flowers… tail pipe exhaust? This is Sandra Tsing Loh with the Loh Down on Science. Secondary organic aerosols–gah! These tiny particles are a class of chemicals that form the air around us. As natural and industrial gas emissions interact with sunlight, the resulting particles reflect or absorb

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Shellfish Sherlock

Shellfish are tasty. But can they illuminate the past? This is Sandra Tsing Loh with the Loh Down on Science. Professor Pupa Gilbert at the University of Wisconsin-Madison studies pen shells. That’s a large, clam-like shellfish commonly found in Florida. Specifically, she studies their nacre, or mother-of-pearl. It’s that iridescent

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Underage Volcano

Don’t erupt — but is that a fake I.D.?! This is Sandra Tsing Loh with the Loh Down on Science. Taupo is an active volcano in New Zealand. But scientists can’t pin down its age! The usual method is to carbon date nearby trees that perished during the eruption. All

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