"Planet of the Apes" may have been onto something. Chimpanzees are steadily honing their tool-using skills—a process unfolding over millennia, driven by the exchange of ideas through migrations ...

Chimpanzees consistently choose crystals over ordinary rocks, suggesting a curiosity that may echo early humans.

Many younger people know the pain of trying to teach an older person how to print a PDF or navigate the internet. But, of course, some people keep with the times and still learn how to use new tools ...

Chimpanzee experiments suggest early humans were likely fascinated by crystals because of their unique transparency and ...

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