Cheetahs are fast. You know this. But which is faster: a cheetah, or a Tyrannosaurus rex? Hosted by: Olivia Gordon SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: nationalzoo.si.edu/animals/cheetah jeb.biologists.org/content/220/21/3841 www.nature.com/articles/s41559-017-0241-4 www.alphr.com/science/1006329/fastest-animals-dinosaur-speeds www.nationalgeographic.com/search?q=cheetah www.nationalgeographic.com/animals/mammals/l/leopard/ www.alphr.com/science/1006329/fastest-animals-dinosaur-speeds www.youtube.com/watch?v=icFMTB0Pi0g nationalzoo.si.edu/animals/cheetah Image Sources: www.istockphoto.com/photo/cheetah-running-south-africa-gm958697418-261779606 commons.wikimedia.org/wiki/File:Cheetahs_on_the_Edge_(Director%27s_Cut).ogv www.istockphoto.com/photo/lone-cheetah-standing-up-on-white-background-gm93209579-2878602 www.istockphoto.com/photo/cheetah-acinonyx-jubatus-gm93215399-6957696 www.istockphoto.com/photo/tyranosaurus-rex-skeleton-dinosaure-squelette-profile-gm182716114-12794154 www.istockphoto.com/photo/t-rex-with-feathers-3d-rendering-side-view-gm1140425144-305178977 commons.wikimedia.org/wiki/File:Tyrannosaurus_rex_by_durbed.jpg commons.wikimedia.org/wiki/File:Tyrannosaurus_rex_mmartyniuk.png www.istockphoto.com/photo/cheetah-gm536030463-57446680 www.istockphoto.com/vector/grand-piano-musical-instrument-gm1187151765-335229584 www.istockphoto.com/photo/a-young-mixed-race-man-standing-alone-on-a-rock-admiring-the-lake-view-side-view-gm1067423876-285468762 www.istockphoto.com/photo/sportswoman-sprinting-in-the-city-gm1129115365-298153886 www.istockphoto.com/photo/feathered-velociraptor-dinosaur-on-white-background-gm1143833265-307325129 www.istockphoto.com/photo/leopard-on-tree-gm155911783-15844154 www.istockphoto.com/photo/hippo-chargng-out-of-the-water-at-full-speed-gm521125990-91239421 www.istockphoto.com/photo/3d-render-dinosaur-gm966286068-263657829 www.istockphoto.com/vector/big-animals-set-gm1201100223-344304330