
On Two Feet
Origin Stories
00:00
The Evolution of Flexible Feet
Paleontologist finds evidence that Australopithecines evolved for walking on land. Lucy had stiff arches in her feet, which means she walked like we do. She didn't have flexible feet for climbing like a chimp. This tiny bone showed that by the time of Lucy, our ancestors had given up being good in the trees for life on the ground.
Transcript
Play full episode