Colombian scientists just sequenced DNA from 6,000-year-old remains near Bogotá and found a totally unknown human lineage—the Checua! These ancient hunter-gatherers had unique skull shapes and no known descendants. Their DNA is unlike any other group in the Americas, and no one knows where they came from or what happened to them. Could more discoveries rewrite what we know about early humans in South America? Stay tuned for more ancient mysteries! #Science #AncientDNA #HumanHistory