The Mysterious Gigantic Lions That Used to Roam North America

North America used to be home to a cat so large, it may have taken down some of the biggest prey of the last Ice Age. Go to to try their Math History course. The first 200 subscribers get 20 off an annual Premium subscription. Hosted by: Hank Green SciShow has a spinoff podcast It s called SciShow Tangents. Check it out at Support SciShow by becoming a patron on Patreon: Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: BdTmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, Scott Satovsky Jr, Charles Southerland, charles george, Alex Hackman, Chris Peters, Kevin Bealer Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: Image Sources: Achat1999