A Visit to the Weirdest Archaeological Site in North America

In the desert two hours northeast of Los Angeles, just outside the town of Barstow, there is a peculiar little place called the Calico Early Man Site. If you've driven either direction, from L.A. to Las Vegas or back, you've probably seen the sign for it, mysteriously and without any real information implying that the… » 1/22/14 5:28pm 1/22/14 5:28pm

Tiny remnants of fossilized poop tell us where ancient humans lived

Figuring out when humans first arrived in a location is surprisingly tricky. Sometimes, you find a nice chunk of pottery or something, but oftentimes artifacts aren't as easy to find. Predators can leave bones that look a lot like ones that a human might butcher, and a natural fire leaves coal much the same as a human … » 11/30/12 6:20am 11/30/12 6:20am

Computer simulation reveals why it's hard to export democracy to the…

Why are so many societies based on hierarchy rather than egalitarian values, despite the fact that evidence suggests ancient human communities were often fairly egalitarian? Stanford researchers wanted to find out. So they designed a computer simulation that compared two basic types of societies: egalitarian ones, in… » 9/29/11 8:00am 9/29/11 8:00am