Ask the Naked Scientists Ask the Naked Scientists

Why do wombats have cube-shaped poo?

Jul 17, 2026 · 22m

Summary

Dr. Chris Smith returns to answer listener questions, explaining the atmospheric "heat dome" causing UK heatwaves and the biomechanics behind wombats' cube-shaped feces. He addresses myths about sleep positions affecting nightmares, the aerodynamics of golf ball dimples and Mars drives, and AI in football penalties. Smith also clarifies statin benefits for cholesterol and discusses cloning ancient redwoods from preserved DNA.

Topics discussed

Introduction: Food Forward SA and Mandela Day initiative The Naked Scientist returns: Heat domes and jet streams Why wombats produce cube-shaped feces Sleeping on your back and nightmare frequency Golf ball dimples and driving on Mars AI predictions for World Cup penalty shootouts Statins: Pros, cons, and cholesterol science Cloning ancient redwood trees and DNA preservation Power vs placement in penalty kicks and sign-off
Listen ad-free on Castria