Why do we lose teeth?

Stickers are everywhere. They label our groceries, cover our car bumpers, and decorate our notebooks. But how do they stick? We’ll zoom in on a sticker to see how a special glue helps a sticker cling to a surface. Plus, we’ll hear about stickers that can help people heal from sur ...  Show more

There’s more to sloths than slowness. They’re great at saving energy, hanging upside down, and swimming! In this episode, Sloth Appreciation Society founder Lucy Cooke stops by to tell us all about these amazing animals. We also get into a sloth mystery: The Case of the Perilous ...  Show more

We're talking about teeth with a friendly dentist! How do teeth become loose? Why do our baby teeth fall out? Why do people only have two sets of teeth? Why don't babies have teeth when they're born? Why are teeth white? Why do we have gums in our mouth? How does toothpaste cl ...

Lots of animals have teeth: walruses, baboons, and of course – humans! Teeth help cut and grind up food into smaller pieces so it’s safe to swallow. But why don’t ducks and other birds have teeth? We asked animal researcher Courtney Daigle to help us find the answer. Got a questi ...  Show more

Every morning and every night we have to get the toothpaste and our toothbrushes and clean our teeth... But why? Let's visit dentist Dr Mihiri Silva for a check up and learn why it's so important to look after our teeth.

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