Only 10% of the world is left handed, so why are so many athletes lefties? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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: www.tandfonline.comdoiabs10.10801357650X.2014.961471?journalCode=plat20 rsif.royalsocietypublishing.orgcontentroyinterface9752718.full.pdf rspb.royalsocietypublishing.orgcontent26313771627 www.ncbi.nlm.nih.govpmcarticlesPMC2666081 https:www.ncbi.nlm.nih.govpmcarticlesPMC4014306 www.sciencedirect.comsciencearticlepiiS0003347281801170 faculty.knox.edujtempletAmNatProducerScrounger.pdf journals.plos.orgplosonearticle?id=10.1371journal.pone.0105800