A comparison of ancient and contemporary footprints reveals that our ancestors were strolling much like we do some 3.6 million years ago, a time when they were still quite comfortable spending time in trees, according to a study which will be published in the March 22 issue of the journal PLoS ONE . [More]
Human ancestors walked comfortably upright 3.6 million years ago, new footprint study says
The material in this press release comes from the originating research organization. Content may be edited for style and length. Want more? Sign up for our daily email.