Until very recently, Homo sapiens - our species - was only one of several varieties of humans on this planet. As our ancestors spread outward from Africa in their great migration, they encountered those other species. The results of those encounters left us a genetic legacy that is still with us today.If you'd like to see some visuals of the things in this episode, check out this post on my Substack blog.Support us by supporting our sponsors!SimpliSafe - For FREE shipping and a 60 day money back guarantee visit simplisafe.com/tides.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.