Homo Habilis, with only a brain size of 610 cc, invented the stone axe about 2.5 million years ago. This was high-tech for over 2 million years.
Homo sapiens, with a brain size of 1350 cc, have only been around for about 300,000 years.
I had heard that more varied tool usage didn't start until about 50,000 years ago. However, this is not correct...
No comments:
Post a Comment