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.
Director: John Rubin
Director: Nova
Producer: Henry Holmes
Producer: John Rubin
Producer: L.M. Kit Carson
Producer: Menahem Golan
Producer: Tobe Hooper
Actor: Nova