LINKS: http://www.Twitter.com/Tweetsauce http://www.Facebook/./com/VsauceGaming Vsauce Tshirts: http://www.districtlines.com/vsauce music by: http://www.Soundcloud.com/JakeChudnow Bill Bryson's "A Short History of Nearly Everything": http://www.amazon.com/A-Short-History-Nearly-Everything/dp/0767908171 We're all related (Wikipedia): http://en.wikipedia.org/wiki/Pedigree_collapse Most Recent Common Ancestor PAPER: http://tedlab.mit.edu/~dr/Papers/Rohde-MRCA-two.pdf Most Recent Common Ancestor data excludes uncontacted peoples: http://en.wikipedia.org/wiki/Uncontacted_peoples H Twins SCALE OF THE UNIVERSE (interactive): http://htwins.net/scale2/ Our atoms get replaced: http://askanaturalist.com/do-we-replace-our-cells-every-7-or-10-years/ TIME article on atom replacement (pay-gate): http://www.time.com/time/magazine/article/0,9171,936455,00.html The paradox of atom replacement and identity: http://en.wikipedia.org/wiki/Ship_of_Theseus 1 billion sodium atoms: http://answers.yahoo.com/question/index?qid=20120228021643AACTqbF How many atoms are in our body?: http://www.physicsforums.com/showthread.php?t=122923