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 ...

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 ...

An hour’s drive down a ragged dirt road, deep in the heart of Uganda’s Kibale National Park, a small research camp sits in the middle of chimpanzee territory. Tangled vines drape ancient trees in the ...