Part 10/21:
Hancock emphasizes recent DNA evidence of Australasian ancestry in Amazonian tribes—distantly related to Aboriginal Australians and Papuans—an anomaly that cannot be explained by simple migration models given current archaeology. Geneticist Sk. Willis Levy points out that the most parsimonious explanation is that groups during the Ice Age crossed the Pacific, bringing their DNA into South America—an idea that contradicts the mainstream belief that humans migrated solely via Siberia and the Bering land bridge.