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

In this episode, we will explore the Earth through some engaging fun facts. We will investigate why Earth is often referred to as the "Blue Marble," examine the ten largest islands and their unique features, and dive into some of the remarkable animals native to Australia. Also, ...  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

In this episode, we will learn a little about food and eating in space. We will look at the history of the food astronauts eat, comparing what it was like to how it is today. We will also look at how they eat in space. Then we answer questions from Rowan Olsen, who wants to know ...  Show more