Chimpanzees can change their minds when the facts no longer support their previous beliefs – a rational level of thinking that was once considered uniquely human. In a series of experiments designed ...

Luella and Winthrop Niles Kellogg believed they could use their own child in a chilling experiment involving a chimpanzee. Toddler Donald Kellogg was just 10 months old when he became one of the ...

And chimps outperform humans. I once watched Matsuzawa show videos of his experiments with Ai and Ayumu at a conference attended by the world’s leading chimp researchers, including Jane Goodall, ...

Ever find yourself people-watching in a cafe, or tuning into reality TV just to see who's arguing with who? You're not alone—and it turns out, you might have more in common with chimpanzees than you ...

The National Institutes of Health wants you to believe that chimpanzee experimentation is necessary. It so badly wants you to believe this that the agency just two months ago began to use your tax ...

Despite being one of the most cooperative species on the planet, humans routinely fail to manage shared resources sustainably ...

Source: Ruben van Kuik, via Wikimedia Commons. How do scientists study the evolution of human culture and cognition? There aren’t any early hominins around—but there are chimpanzees, our closest ...