The great apes which include chimps, orangutans, gorillas and bonobos, seem to have rich emotional lives similar to our own. But just how smart are these animals? A new generation of investigators is revealing the secret mental lives of great apes that are turning out to be far smarter than most experts ever imagined. Scientists are at last zeroing in on what separates us from our closest living relatives.
Production Year: 2008
Copyright Year: 2008
Audio Format: Stereo
Aspect Ratio: 16x9 Widescreen
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