Have you ever wondered why the ground looks flat even though the Earth is round? In this exciting episode of Wise Up, Katherine and Emma explore one of the most mind-bending questions in science: If the Earth is a giant spinning sphere, why does it feel like we’re walking on a flat surface?

Join the sisters as they dive into the shape of our planet, discover how scientists proved it’s round (all the way back in ancient Greece! and explain why our eyes can’t see the curve. From ships on the horizon to satellite photos, they share fun facts, surprising science, and even “what if” scenarios about a flat Earth.

Plus, listener questions, a mini quiz, and lots of laughs along the way!