An Unexpected Tool to Track Ancient Civilizations...Bacteria

Thanks to Morning Brew for sponsoring today’s video. Sign up for FREE today: http://cen.yt/mbscishowScientists have used a bacteria that commonly infects us to track how ancient humans spread to the Americas from Siberia. And other scientists have discovered a new species of hyrax in the forests of Africa by listening to their barks and shrieks.Hosted by: Stefan ChinSciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org----------Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow----------Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:Alisa Sherbow, Silas Emrys, Drew Hart. Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Christopher R Boucher, Eric Jensen, Adam Brainard, Nazara, GrowingViolet, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, charles george, Alex Hackman, Chris Peters, Kevin Bealer, Jason A Saslow----------Looking for SciShow elsewhere on the internet?Facebook: http://www.facebook.com/scishowTwitter: http://www.twitter.com/scishowTumblr: http://scishow.tumblr.comInstagram: http://instagram.com/thescishow----------Sources:https://www.eurekalert.org/emb_releases/2021-06/yu-bit061021.phphttps://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlab029/6299316?redirectedFrom=fulltexthttps://www.eurekalert.org/emb_releases/2021-06/uow-emo061021.phphttps://www.pnas.org/cgi/doi/10.1073/pnas.2015523118Images:https://commons.wikimedia.org/wiki/File:EMpylori.jpghttps://www.istockphoto.com/photo/helicobacter-pylori-bacteria-gm892092148-246959082https://www.istockphoto.com/photo/an-illustration-of-helicobacter-pylori-gm160617804-22951582https://www.istockphoto.com/photo/the-helicobacter-pyloris-gm482337220-69940129https://www.istockphoto.com/photo/people-of-the-ice-age-gm537816437-58008984https://commons.wikimedia.org/wiki/File:Beringia_-_late_wisconsin_glaciation.pnghttps://commons.wikimedia.org/wiki/File:Iceage_north-interglacial_hg.pnghttps://commons.wikimedia.org/wiki/File:Beecroft%27sTreeHyrax.JPGhttps://commons.wikimedia.org/w/index.php?curid=74177018https://www.eurekalert.org/multimedia/pub/252314.php?from=488092https://commons.wikimedia.org/wiki/File:Map_of_River_Niger.svghttps://www.eurekalert.org/multimedia/pub/252316.php?from=488092https://www.istockphoto.com/vector/high-detailed-africa-physical-map-gm844077708-138126735https://commons.wikimedia.org/wiki/File:Skull_of_Dendrohyrax_dorsalis_1873.pnghttps://commons.wikimedia.org/wiki/File:Tree-hyrax.jpghttps://www.inaturalist.org/photos/11841805https://www.istockphoto.com/photo/niger-river-from-the-left-bank-niamey-niger-gm1171610926-324651746https://www.istockphoto.com/photo/helicobacter-pylori-stomach-gm496159007-41362210