Why do we lose teeth?

The hair on our heads is on our minds. We have fun with follicles and learn about how they make hair. Our experts help us decipher what makes hair black or brown, blonde or red, and even why it turns gray. From eye lashes to ear and nose hair, this episode has it all. Why do huma ...  Show more

This is a sneak peak of a bonus episode available to Smarty Pass members. It’s a follow up to our Forever Ago episode on the history of pizza. In this one, we look at the man who made pineapple on pizza a thing. Plus, we tell the story of how pineapple pizza created drama between ...  Show more

Teeth are some of the hardest substances in the body, so why do they break down? Listen to this FUN chat with dentist, Dr. Emily Swanson as she explain to us WHY teeth decay. You just might learn some tips and tricks for ways to keep your teeth healthy and free from cavities. Whe ...  Show more

Where do teeth come from and how do different dental variations in the animal world force us to rethink our glorious chompers? In this episode of Stuff to Blow Your Mind, Robert and Joe explore dental evolution and the wondrous marching molars of elephants and manatees.  Learn mo ...  Show more

Teething, losing teeth, growing new teeth. It’s a part of life that every human goes through! But what about dinosaurs? Did they experience the same thing? We asked paleontologist Shaena Montanari to help us find the answer. Got a dinomite question for us? Send it to us at Brains ...  Show more

What happens when American children lose their baby teeth? Well, most kids believe that the Tooth Fairy visits them in the middle of the night. Learn all about this custom and how it may be different from other teeth-centered traditions around the world.