A urinalysis shows that these apes ingest significant amounts of alcohol, providing new clues to how alcohol influences the animals’ behavior ...

After University of California, Berkeley graduate student Aleksey Maro and integrative biologist Robert Dudley discovered ...

Aleksey Maro knows far more than he cares to know about the urination habits of chimpanzees. But if you want to measure the alcohol intake of chimps in a Ugandan rain forest, where a breathalyzer is ...

Learn how urine tests revealed that wild chimpanzees metabolize alcohol from naturally fermented fruit, and what that could mean for human evolution.

From school to work to everyday life, you’ve likely been part of groups that work together smoothly and others that quickly devolve into squabbling factions. But have you ever stopped to ask yourself ...

Chimpanzees exhibit surprising human-like behaviors, including using leaf-tearing as a flirting technique, mirroring adolescent human awkwardness. This courtship behavior, observed in various forms ...

By John Cannon Chimpanzees appear to be the biggest daredevils when they’re infants. Humans tend to take more chances and put themselves in the most danger in adolescence, so the expectation has been ...

Chimpanzees are our closest living relatives, and this adds to the fascination of learning how they behave and interact with each other. We know that they, like humans, live in social groups and that ...

Since alcohol can sometimes reduce stress levels, the fruit may be encouraging social behavior in the chimps, according to a recent study Anna Bowland/Cantanhez Chimpanzee Project/University of Exeter ...

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...