Geneticist Steven O'Brien investigates whether a genetic mutation that helped the inhabitants of a village called Eyam in Derbyshire survive the Black Death pandemic in the 14th century help scientists find a cure for AIDS.

How during WWII British scientists developed a navigation system that helped their bombers drop their explosive load with deadly accuracy.

Scientists investigate whether the apocalyptic flood from the Noah's story in the Bible was based on a real disastrous event from history.