 Let me just share a couple of other things with your listeners that would encourage them to want to know more about their African selves. At the Smithsonian Museum of Natural History in Washington, D.C., where I live, there's an exhibit in the David Koch Hall of Human Origins. And I'm going to give you a couple of takeaways from that exhibit. It says 200,000 years ago, Africans were the only human beings on the planet.