Being left out of a group or getting a dirty look can literally make you feel cold. (via Kottke)

LSU economist Naci H. Mocan has found that out of nearly 100,000 people in 53 countries, women are the most vengeful, followed by the elderly, the poor, and those who live in crime-ridden areas. Previously, "violence interrupters" in Chicago. (via Big Contrarian)