Unlocking the Hidden History of DNA Season 1 Episode 7 Microbes Manipulate Us, Viruses Are Us

Investigate the curious career of microbes in our bodies, not just the ones that make us sick, but more crucially, those that get incorporated into our DNA, driving evolution in unpredictable ways. For instance, the placenta that makes most mammals distinct from egg-laying animals appears to be an adaptation derived from an invasive virus. Learn why 8% of our genome is viral in origin.