![A 3D rendering of three paleolithic humans butchering a mid-size mammal on a grassy area by a tree-lined river.](https://cdn.mos.cms.futurecdn.net/DqKZry37Yodi7CqptQyEhA-320-80.jpg)
Humans reached Argentina by 20,000 years ago — and they may have survived by eating giant armadillos, study suggests
The discovery of butchered bones belonging to a glyptodont, a giant relative of the armadillo, suggests that humans were living in Argentina 20,000 years ago.