Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

In the lush canopies of Guinea-Bissau’s Cantanhez National Park, a group of wild chimpanzees has been caught in a moment that’s oddly familiar: eating and sharing fruit laced with alcohol. For the ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

New research on chimpanzees is forcing scientists to rethink where the line between human and animal minds really lies. In carefully designed experiments, chimps are not just grabbing at treats or ...

Ainebyona and others involved in chimp conservation in this remote Ugandan rainforest say they aim for the kind of communion ...

Chimpanzees (Pan troglodytes) are native to the forests and savannas of central and western Africa. These creatures are our closest living relatives and share approximately 98.8% of our DNA. Similar ...

Wild chimpanzees have been studied for more than 60 years, but they continue to delight and surprise observers, as we found during the summer of 2017 in Kibale National Park in Uganda. We were ...