We were barely out of our cribs when the differences between the sexes became glaring, explained Isaac Lamb in "Defending the Caveman," which opened Friday for a three-day run. Boys, he said, would ...

Scientists have found what they say could be one of the oldest Stone Age megastructures in Europe: a giant stone wall on the floor of the Baltic Sea. They've dubbed it the "Blinkerwall." Not quite 70 ...