February 22, 2007—See newly observed footage of tool-making behavior that further blurs the line between humans and chimpanzees, our closest living…
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February 22, 2007—See newly observed footage of tool-making behavior that further blurs the line between humans and chimpanzees, our closest living relatives.
February 22, 2007—See newly observed footage of tool-making behavior that further blurs the line between humans and chimpanzees, our closest living relatives.
