Ancestor, Lucy, Died After Falling From Tree

Lucy's ability to walk on two legs on land may have hindered her ability to navigate trees.

Published On 08/29/2016
11:00 AM EDT
Photo: Lucy's distal radius (forearm bone) undergoes computed tomographic scanning.Credit: Marsha Miller, UT Austin
Image: Reconstruction of the foot of Lucy's species, Australopithecus afarensis, with one of the more recently found bones highlighted. Credit: Carol Ward/University of Missouri