Capuchin Monkey Throws Wrench into Human Evolution Story

You know all those primitive stone flake tools unearthed by archeologists the world over and attributed to our evolving hominid ancestors? Researchers in a Brazilian forest have just recorded the lowly capuchin monkey creating stone flakes by earnestly bashing one stone against another.

The New York Times was quick to minimize the significance of the discovery. After reporting on the new finding, James Gorman writes:

The findings don't challenge the record of human evolution in Africa, resea...