Are chimpanzees sensitive to the effect of an object's properties on nut-cracking efficiency and plan their tool selection accordingly? An international team of researchers of the Max Planck Institute ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The animal kingdom is chock full of nutcrackers and that skill can ...

Wild chimpanzees show reduced participation and performance in their tool-use behaviours as they experience old age, according to long-term video observations. The study, published today in eLife, ...

Video from 2012 showing the individual variation in nut-cracking efficiency in the Bossou chimpanzees. The first cracker is Peley, a 14-year-old adult male who successfully cracks two oil palm nuts.