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In a set of playful experiments modeled after children's tea parties, researchers at Johns Hopkins University have shown for the first time that apes can use imagination and take part in pretend play. This ability was long believed to belong only to humans.
Across three carefully designed experiments, a single bonobo interacted with imaginary juice and pretend grapes in a consistent and repeatable way. The results push back against traditional ideas about anim...

1 month ago
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