How Many People Had to Survive for You to Exist?

What are the chances that you exist? Not humanity. Not your family. You.
In this video, we follow your family line back through thousands of generations to answer one of the most fascinating questions imaginable: How many people had to survive for you to exist?
From the moment of conception to ancient hunter-gatherers, the rise of farming, deadly pandemics, devastating famines, world-changing wars, and human population bottlenecks, discover the incredible chain of survival that made your existence possible. Along the way, we'll explore the surprising mathematics of ancestry, why your family tree seems to contain more ancestors than all the humans who ever lived, and the science behind pedigree collapse.
Every generation had to overcome impossible odds. Every link in the chain had to survive. One broken link... and you would never have existed.

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