News tagged with gestures

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Bonobos say no by shaking their heads

(PhysOrg.com) -- Scientists report having observed and filmed bonobos (also known as pygmy chimpanzees) shaking their heads to say “no” to prevent an unwanted behavior in another animal. Bonobos have never ...

May 07, 2010 4.9 / 5 (11) 7 | with audio podcast report