We've all heard the saying trust your gut, but is that scientifically accurate? Tai grapples with what that really means. If our guts are making decisions does that mean there's a brain in our gut?

What happens after you die?

Fifteen-year-old Tai Poole won’t rest until he’s uncovered the mysteries of the universe, one probing question at a time. In Season 4 of his Webby-winning podcast, Tai talks to everyone from NASA scientists to stand-up comedians to his equally curious little brother Kien. If you’ve ever wondered why nothing feels as good as a deep belly laugh or why it’s impossible not to finish a bag of Doritos, Tai has you covered.