Joy Overload! The science of tickles and cute...

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

What do tears of joy and the desire to pinch a baby's cheek have to do with one another? Quite a lot. In this episode of Stuff to Blow Your Mind, find out about dimorphous expressions, as well as the siren call of baby scents that lure the joyful aunt to its cheek in the first ...

Why in the world do they say that "laughter is the best medicine?" How in the world do you catch a case of the giggles? And what in the world is a Laughing Yogi?! Try not to LOL, as Guy Raz and Mindy Thomas guffaw their way through the science of laughter, on this seriously silly ...  Show more

It's Imagination Time's 25th episode! We're kicking off season 3 with an episode inspired by the viral hit, My Happy Song! Plus Caitie is sharing some helpful tricks that can help little ones regulate their big feelings. She'll show us how a little imagination can turn an awful r ...  Show more

Smile Season This episode the gang tries to smile as much as they can. They listen to some great, feel good music, Dennis calls in and talks about his allergies, and a new store is opening that specializes in......smiles! All that and a whole lot more! Songs played in this episod ...  Show more