Why is it that misfortune that befalls certain people can make us feel empathetic and wanting to help, while misfortune that befalls others can actually make us feel happy? A new study shows that Schadenfreude might actually be biological, and that who the misfortune befalls is a critical factor in how we react.

via Schadenfreude: Rejoicing In Rivals’ Misfortune May Be Biological, Study Suggests.