10 Misconceptions Debunked!

Inspired by CGP Grey's Misconception Debunking: http://www.youtube.com/watch?v=SCzXZf...

In which John debunks various misconceptions involving martyrdom, presidents, near-presidents, keeping track of your age, flightless birds, math, physicists, and the universe.

No Edge: http://www.youtube.com/watch?v=g0ul88...

Check out Crash Course! http://www.youtube.com/crashcourse