fromwww.scientificamerican.com
1 month agoScientists Finally Solve Mystery of Ancient Fossil Foot
Sixteen years ago a group of anthropologists discovered 3.4-million-year-old fossilized foot bones in Ethiopia. While they suspected the foot belonged to an ancient human that likely lived alongside the species we know as Lucy, Australopithecus afarensis, without a skull or teeth to analyze, they couldn't be sure. What they did know is that unlike Lucy, which walked upright on arched feet like our own, the mystery foot had a grasping toe that was adapted for climbing trees.