The Evolution of Getting Punched in the Face

SciShow delivers the latest in science news, including how fistfighting fueled the evolution of the human face, new insights into the origin of schizophrenic voices, and new research into the bird flu. Messages from our Subbable subscribers: Like SciShow Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids Check out our awesome products over at DFTBA Records: Or help support us by subscribing to our page on Subbable: Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Thanks Tank Tumblr: Sources: