Science stuff you got wrong at School

Interesting stuff for those of you, like me, who need to bulk up on their Cliff Claven-esque trivia for parties and the like. You know, the guy who always comes up with completely useless info that seems to kill any conversation? Yeah, that'd be me. Sorry about the off-colour ads (may be NSFW)
2Spare - 10 Science stuff you got wrong at School