What is inside a cactus?

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

You might not associate cacti with candy -- on the surface, they seem to have very little in common, mainly because candy is sold in stores around the world, and cacti have a well-deserved, literally prickly reputation. Yet not too long ago the US was in the midst of a genuine ...

🤗Meet Carlos the cuddly cactus who's on a quest to find a hug, despite his prickly predicament! 💚 🌵Spoiler: He finds an unlikely friend with a surprising solution! 🦔💫 🥺Stay tuned for this heartwarming (and hilarious) desert adventure✨ 

In addition to having faces that look like a smiley emoticon, axolotls are as fascinating to scientific researchers as they are to kids because of their amazing ability to regenerate parts of their bodies, including their brains! In this episode we answer kids' questions about ...

Is there a point in space where the Sun could heat a burrito perfectly? asks Will. The doctors tackle this and a plethora of other conundrums from the Curious Cases inbox.Featuring expert answers from astrophysicist Samaya Nissanke, cosmologist Andrew Pontzen, and cognitive neuro ...  Show more