Imagine a world where 99.9% of the global population has vanished—a concept explored throughout history, from biblical floods to Nostradamus' prophecies. What would that world look like? Did you know the Global Challenges Foundation predicts there is a 1 in 6 chance of human extinction by 2100? Today we'll dissect potential apocalyptic catalysts, from biological pandemics to nuclear war, artificial intelligence takeover, and environmental disasters. Then we'll take a look at the intricacies of survival, adaptation, and rebuilding in the aftermath of each catastrophic event. Are you prepared for the unimaginable?