Sweet Dreams

Dreaming of a good night’s sleep? This is Sandra Tsing Loh with the Loh Down on Science. Feeling tired–and awful?? You’re not alone! Dreaming, also called rapid eye movement or REM sleep, is important for health. And poor REM sleep has been linked to problems like Alzheimer’s disease! Enter Chia-Jung

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Lather Up

Wash your mouth out with soap! Literally? This is Sandra Tsing Loh with the Loh Down on Science. Uh oh… food poisoning! Your immune system protects you — but it can’t guard everywhere at once. What’s an upset stomach to do in the meantime?  Enter Ryan Gaudet and colleagues at

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Space Race

Traveling to Mars? Don’t forget the sunblock! This is Sandra Tsing Loh with the Loh Down on Science, saying – Pop on those shades! Both the sun AND our galaxy put out some deadly stuff. Too much basking in cosmic rays can lead to cancer and even deadly radiation poisoning.

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Suspicious Fishes

But mom! EVERYONE’S doing it! This is Sandra Tsing Loh with the Loh Down on Science. A sudden flash of color, and a hundred fish change direction in unison! This fish ballet confuses predators, helping fish escape. But when fleeing danger, is it all for one, or a free-for-all? Lauren

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Yeast Corps

“HEY immune system! Bring it on!” This is Sandra Tsing Loh with the Loh Down on Science. Your immune system is an army that protects you from disease. But in the heat of battle – these soldiers can get confused!  With inflammatory bowel disease, intestines make TOO much of a

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Dinos on Ice

Could Rudolph have been a red-nosed, . . . T. Rex?!? This is Sandra Tsing Loh with the Loh Down on Science. Dinosaur fossils are found all over the world, including the North Pole! What were they doing up THERE? Enter Patrick Druckenmiller from the University of Alaska Fairbanks and

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ANT-i Aging

Image of old lady and young woman holding hands.

What does a worker ant have to do to get the royal treatment? This is Sandra Tsing Loh with the Loh Down on Science. Like bees, ants live in social colonies. Close quarters means infections and parasites can wipe out the colony fast. You’d think a tapeworm infestation spells doom

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Elephant GPS

Images of elephants walking

An elephant never forgets … its GPS? This is Sandra Tsing Loh with the Loh Down on Science. When African elephants get wanderlust, they pack their trunks and hit the road! They follow trails created by generations of elephants moving between water and food across the Savannah. How come they

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Toxic Toolbox

Image of rattlesnake.

As Woody says – “There’s a snake in my boot!”  This is Sandra sing Loh with the Loh Down on Science. Imagine you’re hiking and “sssss” – a rattlesnake! Eek! If you do get bit, the local doc MIGHT have an antidote, but will it work? Even closely-related species can

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Ancient Omelets

Diorama of Neanderthals family.

Remember the Stone Age?  This is Sandra Tsing Loh with the Loh Down on Science, saying…of course you don’t!  If you did, you might picture Neanderthals in caves. But did you know that Stone Age people also lived on beaches? Ruins of ancient coastal towns are all over Africa. Exactly

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