January 02, 2008
Can a study
of Rhesus Macaque monkey behaviour determine how far back in evolutionary time the "ability to impute thoughts and intentions to another individual" developed?
Rhesus Macaque @ Wikipedia. Rhesus Macaque images & footage @ ARKive
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I thought that was part of the rootkit.
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'Laughs' not exclusive to humans: The basis for laughter may have originated in an ancient primate ancestral to both humans and modern apes, a study suggests.