The evidence does not demonstrate that humans evolved from some kind of humanlike yet intellectually primitive precursor.
Researchers, led by Lee Berger, had claimed in a Netflix documentary that the species buried its dead, used fire, used tools, and made rock art.
Only humans understand death as the inevitable and final reality for all mortal beings no matter what we do.
There is no good reason to assume that human intelligence evolved from mud to mind via a long slow history.
When their son was ten months old, a psychologist couple decided to raise him alongside a baby female chimpanzee, for research purposes.