BBC:

Chimpanzees in West Africa used stone tools to crack nuts 4,300 years ago.

The discovery represents the oldest evidence of tool use by our closest evolutionary relative.

The skill could have been inherited from a common ancestor of chimps and humans, the authors say, or learnt from humans by imitation.

Alternatively, humans and chimps may have developed tool use independently, the Proceedings of the National Academy of Sciences journal reports.

Read more

Your support matters…

Independent journalism is under threat and overshadowed by heavily funded mainstream media.

You can help level the playing field. Become a member.

Your tax-deductible contribution keeps us digging beneath the headlines to give you thought-provoking, investigative reporting and analysis that unearths what's really happening- without compromise.

Give today to support our courageous, independent journalists.

SUPPORT TRUTHDIG