Subscribe to the Podcast: http://goo.gl/CemLaj Grey: https://www.youtube.com/user/cgpgrey Brady: https://www.youtube.com/user/numberphile Discussion: http://www.reddit.com/r/CGPGrey/ Brady and Grey discuss: copyright and the Parliament, the inevitable and unavoidable *Guns, Germs, and Steel* follow-up, further travels of Brady, bi-something weigh in, and video games. ## Brought to You By Harry's: Quality Men's Shaving Products.