Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Our ancestors faced long odds. Luckily, they also encountered groups of ancient humans who had arrived long before them and had - through evolution - developed natural resistances to the local parasites, pathogens, and other pitfalls. By mating with both Neanderthals and Denisovans, early Homo sapiens got a quick fix to their immune systems - the ancient equivalent of a modern technological security patch - and thereby acquired traits necessary to flourish throughout Eurasia.

Tap link to watch the full film: youtu.be/aCfmEJOh5t0