It's been a while since we've checked in with "Vsauce" Michael, who gives us great videos with science or mathematics explanations. Today's video focuses on research that suggests that everyone on the planet is pretty much related to everyone else, but not as far back as we might think. Think about that when you're talking with your spouse at dinner tonight:
Vsauce also had a cool video last week (sorry, I was on vacation), which tried to figure out how high we could build a building without it becoming a problem. Check it out:
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.