Spotted this earlier thought it might interest a few of you ...
There are some videos on the page of the chimp in action
http://www.newscientist.com/article...-makes-stone-tools-like-early-humans-did.html
There are some videos on the page of the chimp in action
http://www.newscientist.com/article...-makes-stone-tools-like-early-humans-did.html