These chimpanzees select branches, remove leaves and side twigs, and sometimes even sharpen the tips with their teeth to ...

Chimpanzees are the only great apes, apart from humans, that have adapted to living on savannas as well as in forests. However, it is not yet well understood how the harsh ecological conditions of the ...

New research led by University of Oxford researchers has found that old age likely impacts the habitual tool-use behaviors of some wild chimpanzees—although the extent to which different individuals ...

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, ...

Young chimpanzees are remarkably innovative, inventing tools and improving on ones that adults use—and this technical know-how could hold the key to better appreciating the role of children in the ...

He wasn't wrong. Six months in, when Goodall wrote up her observations of chimps using tools, Leakey wrote, "Now we must redefine tool, redefine Man, or accept chimpanzees as human." Goodall spoke of ...