Rainbow Roll

Chameleons and kelp – what do they have in common? This is Sandra Tsing Loh with the Loh Down on Science. Chameleons change colors to hide or to express their feelings — like living mood rings! But seaweed doesn’t change color… or does it? Meet Heather Whitney from the University

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Sex and the Single Sawfish

Don’t have a date? Or a mate? No problem! This is Sandra Tsing Loh with the Loh Down on Science. Animals sometimes go solo. Why? Because they can reproduce without mating: virgin birth! Technically, it’s called “parthenogenesis.” Instead of DNA from mom and dad, offspring just have mom’s DNA. So

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Tool Time

Look, ma! No hands! I mean wings! This is Sandra Tsing Loh with the Loh Down on Science, and on the tool-using habits of New Caledonian crows. Sure, various animals use tools, but we’re the only ones with toolboxes. So other species have to find creative ways of keeping their

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Stinky Strategy

Why did skunks evolve with such di-STINK-tion? This is Sandra Tsing Loh with the Loh Down on Science. Meet biologists Tim Caro and Theodore Stankowich. Yes, really. They study how some carnivorous mammals protect themselves from getting eaten. For example: meerkats huddle in groups, while skunks squirt noxious sprays. Why

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Super Rice

It’s a bird, it’s a plane, it’s… SUPER RICE? This is Sandra Tsing Loh with the Loh Down on Science. Fertilizers are mostly made of NITROGEN. Plants needs it to grow. But, too much nitrogen SLOWS growth for some plants! Other plants grow BIG and TALL with lots of it.

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Sporting Prairie Dogs

Do prairie dogs do The Wave? This is Sandra Tsing Loh with the Loh Down on Science, saying, Yup! Or rather, Yip! Prairie dogs, which are actually a type of rodent, live in towns of dozens of families. They share resources, watch each others’ backs – And, sometimes, do something

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Grabbing is Believing

Is seeing REALLY believing? This is Sandra Tsing Loh with the Loh Down on Science. Our world is full of things that demand our attention. Signs, lights, people! It should be overwhelming. But our brains are GOOD at prioritizing. How do they decide what’s most important? Meet Jacqueline Snow and

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Mind Over Manatee

Manatees: Just slow-witted, underwater bean bag chairs who swim into boat propellers, right? But wait! This is Sandra Tsing Loh with the Loh Down on Science. Manatees got their bad rap a century ago. That’s when an anatomist cracked open the skull of a dead manatee and declared its smooth

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Going Batty

What’s Batman’s REAL super-power? This is Sandra Tsing Loh with the Loh Down on Science. Viruses take energy and nutrients from their hosts. BUT it also takes energy to FIGHT viruses! In us humans, eventually, either the host or the virus dies. But, BATS can carry viruses for YEARS. How?

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Altruistic Apes

When it comes to helping strangers, what kind of ape are you? This is Sandra Tsing Loh with the Loh Down on Science. You might think altruism is a uniquely human trait. For example, when lending a helping hand, chimpanzees tend to favor their friends. But do other primates show

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