
Could just two people repopulate Earth?
The last man on Earth is a common trope in fiction – but what if it actually happened? How many people would it take to save our species? By Zaria Gorvett This story is featured in BBC Future’s “Best of 2016” collection. Discover more of our picks. The alien predators arrived by boat. Within two years, everyone was dead. Almost. The tiny islet of Ball’s Pyramid lies 600km east of Australia in the South Pacific, rising out of the sea like a shard of glass. And there they were – halfway up its sheer cliff edge, sheltering under a spindly … Continue reading Could just two people repopulate Earth?