The study suggests that both humans and chimpanzees possess a “shared cognitive predisposition” for crystals. Whenever such a ...

They gave quartz, calcite and other types of crystals to chimpanzees in a rehabilitation center. The apes responded with great interest, and the researchers ended up needing to trade large amounts of ...

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

Observing how chimps interact with crystals may help us understand why our ancestors started collecting them thousands of ...