Did you know wombats produce perfectly cube-shaped poop — and scientists spent over 200 years trying to figure out how? In this episode, we dig into the surprisingly brilliant biology behind one of nature's strangest quirks. Hit play and find out why square is the smartest shape in the Australian outback.

Have you ever wondered what it’s actually like to stand at the top of the world? 

In this episode of I Wonder, 14-year-old Erika interviews adventurer Mark Hubner, who has trekked across the Arctic Ocean to the geographic North Pole. Hear about freezing temperatures, shifting ice, and the challenges of navigating this extreme environment — and hear how the North Pole is melting and disappearing faster than ever. Perfect for curious kids and the parents who listen along!

*Episode sponsored by Baffin, the creators of technically advanced footwear and apparel engineered to thrive in the challenging cold climates.