Support WBURMaybe Early Humans Weren't The First To Get A Good GripPlay02:40Download AudioNell GreenfieldboyceJanuary 22, 2015 ShareAn example of a human precision grip — grasping a first metacarpal from the thumb of a specimen of Australopithecus africanus that's thought to be 2 to 3 million years old. (T.L. Kivell & M. Skinner)
