Why do we laugh?

The climate is changing. So are we. On What On Earth, you’ll explore a world of solutions with host Laura Lynch and our team of journalists. In 1970, 20 million people showed up to fight for the environment on the first Earth Day. More than five decades later, is it time for this ...  Show more

Tai tries to do his part by recycling whenever he can. But it turns out just tossing stuff into the blue bin doesn't do a whole lot: less than 10 percent of our plastic waste actually gets recycled, with the rest either ending up in landfill, burned or shipped overseas! How did w ...  Show more

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’ ...  Show more

Toni is joined by her first-ever guest... her fiancé, Taiwo! Together, they dive into your relationship dilemmas. What would you do if your partner's parents didn’t like you? Plus, they discuss how long the talking stage is actually supposed to last.Got a dilemma of your own and ...  Show more

In today's episode, many of the questions surrounding the Marlowe, the Wild Things, and the Bad Guy Bunce are answered, but the explorers aren't sure they like those answers. And with the adults ready to chase down Bunce, the kids make a discovery that sends them on their own. Th ...  Show more

Ciaran and Dan delve into one of the biggest mysteries of all time: Are we alone in the universe? With the help of Voyager Golden Record artist Jon Lomberg and more, we try to discover how we might know if something else was out there and if we ever did discover alien life, how w ...  Show more