The Late Devonian Extinction

Recorded at the Crossed Wires Festival in Sheffield, Misha Glenny and guests discuss Casablanca, one of the greatest films from Hollywood’s Golden Era. The film stars Humphrey Bogart and Ingrid Bergman and features the unforgettable song As Time Goes By. Casablanca opened in Nove ...  Show more

Dark Matter is a proposed form of matter that does not absorb, reflect or emit light. It is known to make up 27% of our universe, while the matter that makes up stars and galaxies accounts for only 5%. In this archive episode, first released in March 2015, Melvyn Bragg and his gu ...  Show more

By the end of the Devonian Period, the land had exploded with plant life and ancient invertebrates. There was also Tiktaalik - one of the first known vertebrates able and willing to move from the water to land. Our distant relative figured out how to survive in this dramatically ...  Show more

It was the biggest mass extinction event in Earth’s history. 250 million years ago, a 252 million years ago, Earth faced its deadliest crisis. 97% of all life was wiped out in the Permian Extinction – a cataclysm so severe it’s known as The Great Dying.In this episode of The Anci ...  Show more

The End-Ordovician Extinction was the first of the so-called ‘Big Five’ mass extinctions in the history of life on Earth - more than 80% of species in the oceans died out. But could you survive its aftermath?--Eons is a production of Complexly for PBS Digital Studios.If you'd lik ...  Show more