How Did Prehistoric Animals Get So Big?

After years of trench warfare in WWI, France built a line of massive underground bunkers and other defensive fortifications along hundreds of miles of its border. Learn how the Maginot Line worked -- and why it failed to stop the Nazi invasion -- in today's episode of BrainStuff, ...  Show more

Some U.S. cities and states have officially changed Columbus Day to Indigenous Peoples' Day. Learn why -- and why some Americans disagree with the change -- in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays- ...  Show more

All different kinds of giant prehistoric creatures used to walk the Earth, from 20-foot-tall sloths to sharks longer than a school bus.. They all seem huge in our imaginations, but were animals in the past actually bigger than animals on Earth now? We asked paleontologist Kristi ...  Show more

Ancient dinosaurs were some of the biggest creatures to ever stomp the Earth. But how and why did they get so giant? Was there more food to help them grow? Was the planet itself somehow different, allowing them to reach epic proportions? In this episode we talk to dino-experts Fe ...  Show more

New research shows that the prehistoric giants were even cooler than we thought Learn more about your ad choices. Visit megaphone.fm/adchoices 

How big can animals really get before they collapse under their own weight or run out of snacks? Could a 12-foot comedian survive their first punchline without snapping in half? Listener Andrew sends Hannah and Dara on a deep dive into the science of supersized species.With evolu ...  Show more