Maximum Efficiency

Join the enzyme evolution revolution… today! This is Sandra Tsing Loh with the Loh Down on Science. Enzymes are cellular machines that perform a wide variety of critical tasks for human health. What if we crank them up? Researchers have tried a technique called ‘continuous evolution’ that uses millions of

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GNAW-tural Selection

Got a rodent problem? Here’s some GNAW-ledge to sink your teeth into! This is Sandra Tsing Loh with the Loh Down on Science. Doctors Anderson Feijó and Alyssa Stringer at the Field Museum of Natural History gave us a SQUEAK peek into urban evolution. Skulls of rodents living in Chicago

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Evolution in the Depths

No sunlight and few snacks… sounds like paradise… for an anglerfish! This is Sandra Tsing Loh with the Loh Down on Science. For decades, scientists assumed harsh deep-sea conditions limited evolution. No sunlight and fewer resources could lead to fewer weird fish. But is that true? Elizabeth Miller and team

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Resurrected Roots

Help! It’s the attack of the zombie… leaves?! This is Sandra Tsing Loh with the Loh Down on Science. Tree ferns were once dinosaur food, but guess which scaley beasts this flora outlasted. How? James Dalling and colleagues from the University of Illinois were collecting tree ferns. They saw rot

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Bitter Shark

Does Jaws have taste buds? He did eat a helicopter… This is Sandra Tsing Loh with the Loh Down on Science. Many animals taste bitter—they secrete toxic chemicals to avoid getting eaten. But bitterness may not protect against sharks. These early predators evolved WAY BEFORE the first bony fish with

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Brontosaurus Bronchitis

ACHOO! I’m feeling so Juras-SICK!  This is Sandra Tsing Loh with the Loh Down on Science, saying… What’s worse than a horse with hay fever? A dino-SAUR throat! Enter Cary Woodruff from The Great Plains Dinosaur Museum and some paleo-centric colleagues. Their test subject? A one hundred and fifty MILLION

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Mysterious Bones

Can you even imagine a time before … horses? This is Sandra Tsing Loh with the Loh Down on Science. In the early two-thousands, archeologists in modern-day Syria found bones of a horse-like creature. The bones were over forty-five hundred years old! But horses weren’t introduced to the area for

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Ancient Energy Boost

Hunter! Gatherer! Farmer! Who works the hardest – or smartest? This is Sandra Tsing Loh with the Loh Down on Science. Humanity’s evolution from earlier species took a LOT of energy. Bigger brains, needier children, and longer lifespans meant we had a lot on our PLATES – literally! How did

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Friendly Neigh-bears

Howdy, neigh-bear! This is Sandra Tsing Loh with the Loh Down on Science, and the story of three bears… The Indigenous First Nations of modern British Columbia hold strong connections to wildlife. One venerated animal? The grizzly bear, which has shared their homeland for millennia. Recently, grizzlies appeared in new

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Once Upon A Time

Once upon a time, a tale as OLD as time was created. This is Sandra Tsing Loh with the Loh Down on Science, with a story about stories. What is the origin of our beloved fantastical folk tales? The nineteenth century Brothers Grimm got most of the credit and lived

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