1:22PM
The "grass-in-ear behavior," as scientists have termed it, seems to be
one of the first times that chimpanzees have created a tradition with no
discernible purpose -- a primate fashion statement, in other words.
The "grass-in-ear behavior," as scientists have termed it, seems to be
one of the first times that chimpanzees have created a tradition with no
discernible purpose -- a primate fashion statement, in other words.
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