Ancient Aliens: Season 14, Episode 9 - ProjectFreeTV

14 - 9: The Alien Infection

In 2016, scientists made the astonishing discovery that 30 percent of all protein adaptations since humans' divergence with chimpanzees have been driven by viruses. Could ancient aliens have shaped human evolution by introducing viral epidemics on Earth? And if so, for what purpose? Are they making us more like them?