Mental Floss: Genius Instruction Manual

Remember that time you bumped into Stephen Hawking at the clambake and his monologue on string theory went completely over your head? Man, was that awkward. Or remember the time you were at a party and someone asked, "Who knows how to perform open-heart surgery?" and you were the only one who didn't raise your hand?

Well, put all of that embarrassment behind you. Want to dazzle crowds with your wondrous knowledge of Shakespeare and surgeries? Want to learn to woo just like history's greates...