Thank you to The Great Courses Plus for supporting PBS. To learn more and try it out go to http://ow.ly/m3ap30rzWfP PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons No other placental mammal that we know of prefers one side of the body so consistently, not even our closest primate relatives. But being right-handed may have deep evolutionary roots in our lineage. And yet, being a leftie does seem to come with some unexpected advantages. Big thanks to Julio Lacerda (https://twitter.com/JulioTheArtist​) for the excellent right-handed Neanderthal illustrations! Produced in collaboration with PBS Digital Studios: null Super special thanks to the following Patreon patrons for helping make Eons possible: WilCatRhClPPh33, Mark Talbott-Williams, Elizabeth Baker, Jake Myers, BuddyTheOtter, The Dec of Cards, Eddy, Angel Alchin, Julie Cohen, salsablog.band, simon read, Sean C. Kennedy, Eric Roberto Rodriguez, Hillary Ryde-Collins, Facts Dinosaurs, Frida, YaBoiSam36, Matthew Donnelly, Yu Mei, Colleen Troussel, Dan Ritter, faxo, Jayme Coyle, Gary Walker, GrowingViolet, Stephanie Tan, Laura Sanborn, Minyuan Li, Ben Cooper, Leonid, Robert Noah, Matt Parker, Heathe Kyle Yeakley, Jerrit Erickson, Anton Bryl, MissyElliottSmith, Zachary Spencer, Stefan Weber, Andrey, Ilya Murashov, Merri Snaidman, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Todd Dittman, Betsy Radley, Anthony Callaghan, Philip Slingerland, John Vanek, Eric Vonk, Henrik Peteri, Jon Monteiro, James Bording, Miles Chaston, Michael McClellan, Jeff Graham, Daisuke Goto, Gregory Kintz, Chandler Bass, Tsee Lee, Robert Hill If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards! Want to follow Eons elsewhere on the internet? Facebook - https://www.facebook.com/eonsshow Twitter - https://twitter.com/eonsshow Instagram - https://www.instagram.com/eonsshow/ References: https://docs.google.com/document/d/1tNCtr8e_hLn_fk5xAe0ctaRKQh69JCeZgPAh_Y2n3mU/edit?usp=sharing