There’s a lot we don’t know about human evolution. In this episode of Unknowns, historian David Christian and paleontologist Michael Archer dive into our origins and speculate on the future of our species. Explore the gradual journey from early hominins to modern humans, and the milestones that shaped us. Discover what we still don’t know about humanity. Tune in and explore the unknown. Click here to learn more about Big History.

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