| http://www.w3.org/ns/prov#value | - But while the gibbons could grasp what Ohio State University psychology professor Sally Boysen calls folk physics" - pulling a string tied to a piece of banana instead of the string lying next to it, for example, to get the reward - they weren't able to pick up social cues that chimpanzees and other apes can. title=Back in the swing of things >
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