Links 1/5/11

There was a night during Cortes's conquest of Mexico that he was very nearly handed his ass by the Aztecs. It was called La Noche Triste. (Via Wikipedia)

Knock know. Who's there? Alternate universes, baby. (Via New Scientist)

Hey, look, somehow Jenny McCarthy was wrong all along. There never was a link between autism and vaccination. Who'd have imagined...