Old Things Considered: La Brea, Megalodon, Di...

It’s impossible to ignore the latest nutrition trend: protein-maxxing. Stroll through the grocery store and you’ll find protein chips, protein-packed ice cream, and even sparkling protein water. Not to mention the FDA’s new upturned food pyramid, which puts steak and a roast chic ...  Show more

Almost all matter particles have corresponding particles of antimatter: Protons have antiprotons, neutrons have antineutrons, and so on. When matter and antimatter bump into each other they destroy each other and release energy. With carefully manipulated magnetic fields, however ...  Show more

Ancient wildfires may have doomed Southern California’s big mammals, and do insular societies have more complex languages? First up on this week’s show, what killed off North America’s megafauna, such as dire wolves and saber-toothed cats? Online News Editor Mike Price joins host ...  Show more

Greg and Bella explore the science of extinction with the help of dinosaur enthusiast Mr Yates.Together, they’ll look at some famous recent extinctions, find out what role conservation plays in the preservation of species, and explore the major mass extinction events that shaped ...  Show more

Dinosaurs ruled the earth for many millions of years, but only after a mass extinction took out most of their rivals. Just how that happened remains a mystery — sounds like a case for paleoclimatologist Celina Suarez! This encore episode, Suarez walks us through her scientific de ...  Show more