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.
There is no good reason to assume that human intelligence evolved from mud to mind via a long slow history.
Brian Miller reports that optimality is becoming a tool of prediction in biology, with more biologists returning to the use of design-based assumptions.
Macaque monkeys from Lobi Bay, Thailand, have been observed “unintentionally” producing stone tools.
The stone objects, dated from 50,000 years ago, look like the ones made by capuchin monkeys today.