STOCKHOLM, Sweden -- A chimpanzee who calmly collected a stash of rocks and then hurled them at zoo visitors in fits of rage has shown the animals can plan ahead just like humans, a study said Monday.
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Angry ape breaks hole in safety glass
An angry bonobo shocked zoo visitors in Memphis by jumping against the glass of its enclosure. Iran sends first significant message of de-escalation, but with a major caveat One type of drinking water ...
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