Chimps repeatedly examined the crystals for hours. Sandy, for example, carried pebbles and crystals in her mouth to a wooden platform, where she separated them. "She separated the three crystal types, ...
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Chimpanzees won’t give back these crystals. What they’re doing with them is stranger still
The research, published in Frontiers in Psychology and led by ProfessorJuan Manuel García-Ruiz of Spain’s Donostia International Physics Center, found that enculturated chimpanzees consistently ...
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