Listen to NPR's anthropological exploration of human vocal development. "The first time we see human skulls — fossils — that have everything in place is about 50,000 years ago where the neck is long enough, the mouth is short enough, that they could have had a vocal tract like us." ~Dr. Philip Lieberman
'''Crab-eating Macaque''' (''Macaca fascicularis'') Batu Caves, Malaysia Photographer: Andrew Lih
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