What the Shell?

  Can she sell sea shells by the sea shore? This is Sandra Tsing Loh with the Loh Down on Science. Sea shell hunting is SWELL. But when carbon dioxide levels rise, the ocean gobbles up shells instead of sharing! See, carbon dioxide is absorbed from air or stirred up

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Heart of a Whale

Be still, my beating heart! This is Sandra Tsing Loh with The Loh Down on Science. Healthy human heart rates range from about sixty to one hundred beats per minute. Too slow or too fast – we feel lightheaded and weak. How about blue whales? They are the largest animals,

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Danger Down Under

Ten foot venomous tentacles lurking in the ocean? It’s the box jellyfish! This is Sandra Tsing Loh with the Loh Down on Science. Box jellyfish stings could easily be something from a horror movie. Especially terrifying? The monstrous C. fleckeri! Its venom causes pain, tissue damage, and even death! Swimmers,

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Under Pressure

Dum-dum dum da-da dum-dum…You think YOU’RE “under pressure?” This is Sandra Tsing Loh with the Loh Down on Science. The shrimp-like critter, Hirondellea gigas has us all beat! It lives under EXTREME pressure, ten thousand meters deep underwater. How extreme? Eight-hundred times that at sea level! Other crustaceans cannot survive

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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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Bite Me

To live or to die…? Depends on your. . . teeth? This is Sandra Tsing Loh with the Loh Down on Science. One hundred and eighty million years ago, gigantic marine reptiles ruled the seas. Then, water levels began rising… dramatically! Not all seafaring reptiles could adapt. So, who survived

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Deep Conversations

Who amongst you speaks Spanish, French…Dolphin? This is Sandra Tsing Loh with The Loh Down on Science. Dolphins are thought to be the second smartest animal in the world. They form close relationships with family and friends and mourn their dead. But can they speak to one another? Dr. Ryabov

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Champion Swimmers

If you can’t stand the heat, get out of the…ocean?!? This is Sandra Tsing Loh with the Loh Down on Science We know ocean temperatures change. But exactly how does that affect fish? Enter researchers at McMaster and St. Andrew’s Universities. Specifically, they investigated how early exposure to heat would

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Mighty Methane Munchers

It’s jolly! Its green! But its …not a giant? This is Sandra Tsing Loh with the Loh Down on Science. The ocean is teeming with diverse life, especially at hot vents on the ocean floor! For example, Archaea — single celled organisms, not to be confused with bacteria. Tiny, one-celled

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