What If You and One Stranger Were the Last Humans on Earth?

You wake up and the whole world is gone, except you and one stranger who doesn't even speak your language. Can two people bring back the human race? We look at the 50/500 rule biologists use for endangered species, why everyone carries about a hundred broken genes, and what the island of Tristan da Cunha shows about tiny founding populations. We also cover the moment roughly 900,000 years ago when human ancestors may have dropped to about 1,300 breeding adults. Chapters: 0:00 your hand slaps the dead alarm clock and you jolt awake 0:35 the first weeks: you lounge in a shopping cart, the calendar 1:21 and sitting next to a campfire, cooking beans in a very expe 2:12 biologists have a rough rule for this, it's called the fifty 2:37 you walk along the endless gene shelves 3:26 a pin drops on the map in the South Atlantic 4:39 Amara has an idea: the bulb over her head lights 5:23 you drive back to the city: the convertible races down the e 5:54 the first baby arrives on a rainy morning, in the house with 6:37 you get old, rocking on the porch at sunset Then comes the twist that could change everything: a race against boiling liquid nitrogen to save the frozen DNA of hundreds of strangers before it's gone for good. #WhatIf #LastHumans #Genetics #Science #Survival