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A study of our closest evolutionary relatives finds that the chimp behavior known as lip smacking occurs in the same timing range as human mouths during speech.
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By Scientific American4.4
13471,347 ratings
A study of our closest evolutionary relatives finds that the chimp behavior known as lip smacking occurs in the same timing range as human mouths during speech.
Learn more about your ad choices. Visit megaphone.fm/adchoices

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