Chimpanzees are humanity's closest living relative, but there's both wonder and existential horror in that closeness. A species barrier separates us from the rest of the animal kingdom, but what if a chimp/human hybrid were to bridge that barrier? Join Robert and Christian as they explore the case history of Russian biologist Ilya Ivanovich Ivanov and his attempts to breed a human/chimp hybrid in the early 20th century.
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