If a man walks into a bar….who laughs? Liberals or conservatives? Dan Ariely, a psychologist at Duke University, and Elisabeth Malin, a student at Mount Holyoke College, looked into just that question in a recent Boston study. The two came up with a list of 22 jokes – conventional, quirky, corny, clever, etc. – and tracked the reactions of about 300 people who were asked to rate the jokes on a scale of 1 (not funny at all) to 9 (hilarious).
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.