Cockatoos Learn To Make Tools By Watching Their Friends

More than fifty years ago, humans were pretty well convinced that they were special, different from the rest of the animal kingdom. That all changed in 1964 when Jane Goodall reported her observations of tool use in chimpanzees. Now we have evidence that Goffin's cockatoos, parrots that don't use tools in the wild,… » 9/03/14 5:23pm 9/03/14 5:23pm

Two distinct groups of humans arrived in the Americas 14,000 years ago

There's a long running debate among archaeologists about who the first humans to arrive in the Americas really were. There are two distinct sets of ancient tools that we find in North America, called the Western Stemmed and Clovis traditions. The question is, did the cultures that made Western Stemmed tools come to… » 7/14/12 9:40am 7/14/12 9:40am