Why were animals bigger in the past?

We’re back! We’ve officially moved into our new headquarters! Come unpack with us and get a tour while we fill you in on some big news. Plus, new episodes of Brains On coming later this month and new Smash Boom and Forever Ago after that. If you want to support the show or drop u ...  Show more

We're moving the Brains On Universe Headquarters, and that means we have to stop putting out new episodes until we get settled. We know: not cool. But, our new home is going to be bigger and better and the absolute BEST. We can't wait until it's ready for you to visit.In the mean ...  Show more

Today's megafauna are tiny compared with history's largest dinosaurs. Learn a few theories about how these animals got so big in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/extinct-animals/why-were-prehistoric-animals-big.htmSee omnystudio ...  Show more

In our most recent episode, we answered questions about  really big animals: whales!

We covered a lot when it comes to these huge aquatic mammals but there was one big topic we didn't get to: and that's how whales communicate.  We'll learn more about the sounds whales ...

Whales are some of the largest creatures on Earth -- but why? And why aren't they bigger? Learn a whale of a tale about ocean mammals in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy inf ...  Show more

Steve Brusatte analyses the pace of evolutionary change and tries to answer big questions. Why did the dinosaurs die out and the mammals survive? How did dinosaurs evolve into birds? If you met a Velociraptor today you’d probably mistake it for a large flightless bird, says Steve ...  Show more