Why Do Lions Roar?

Some questions are so big they’re existential, meaning that they get right to the heart of human existence. These are also sometimes called philosophical questions, so for this episode we called up a professor of philosophy, Scott Hershovitz, who teaches at the University of Mich ...  Afficher plus

Why did the dinosaurs go extinct? Many of you have learned about the meteorite that scientists say hit the earth 66 million years ago and killed off many dinosaur species. But some dinosaurs survived, and the birds you see flying around today are their direct descendants! In this ...  Afficher plus

Beim Spaziergang am Mandichosee beobachten Liesi, Tobi und ihr Vater einen Angler, der einen riesigen Fisch fängt. Wieso halten Fische eigentlich das kalte Wasser aus und wie groß ist die Gefahr, sich als Wasserratz in einen Fisch zu verwandeln? Und was hat das alles mit dem Herz ...  Afficher plus

In a new bonus segment called Ask Tai Why, Tai answers some questions for a change. This week, he takes questions from: Von Lewis, Halifax: Why do cute animals make us smile? Hamzah, Ontario: Why is the sun hot? Rhea, Ontario: Who invented the English Language? 

All different kinds of giant prehistoric creatures used to walk the Earth, from 20-foot-tall sloths to sharks longer than a school bus.. They all seem huge in our imaginations, but were animals in the past actually bigger than animals on Earth now? We asked paleontologist Kristi ...  Afficher plus

Fish with legs? Crazy, right? Turns out, fish with legs are a lot more real than you might think! We teamed up with What If World, one of our favorite storytelling podcasts, to answer this question both scientifically and creatively! In our “science version,” we consult with the ...  Afficher plus