Quantcast
Last updated on April 19, 2014 at 13:20 EDT

Latest Dietrich Stout Stories

25561a3f339862183c8b062c6f9289551
2010-11-04 10:11:20

Was it the evolution of the hand, or of the brain, that enabled prehistoric toolmakers to make the leap from simple flakes of rock to a sophisticated hand axe? A new study finds that the ability to plan complex tasks was key. The research, published today in the Public Library of Science journal PLoS ONE, is the first to use a cyber data glove to precisely measure the hand movements of stone tool making, and compare the results to brain activation. "Making a hand axe appears to require...