Support us on Patreon: patreon.com/whatifshow/membership 00:00 Countdown 00:05 What If All of Antarctica's Ice Suddenly Melted? 18:01 What Was Earth Like 2 Billion Years Ago? 48:11 What If the Sahara Desert Suddenly Turned Green? 01:03:41 What If the Dinosaur-Killing Asteroid Struck Earth in 2024? 01:12:31 What If You Lived During The Permian Period? 01:28:43 What Was Earth Like in the Age of Giant Insects? 01:36:37 8 Ancient Animals Scarier Than Dinosaurs Check out our other channels: How to Survive: bit.ly/how-to-survive-show Aperture: bit.ly/aperture-show T-shirts and merch: bit.ly/whatifstore What If elsewhere: Instagram: bit.ly/whatif-instagram Discord: discord.gg/Bj5UnspbwE Podcast: bit.ly/yt-what-if-show-podcast What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) ...