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Stewart Brand, John Brockman, Richard Prum and Hans Ulrich Obrist discuss De-Extinction.

The 2014 Serpentine Marathon included artists, writers, scientists, film-makers, choreographers, theorists and musicians, who presented on the topic of Extinction.

John Berger discusses the film Ways of Listening (from The Seasons in Quincy: Portraits of John Berger), memories, stories and reads a new work the 2011 England riots.

The Memory Marathon explored memory, archaeological excavation and historical recordings through overlaps and interactions between artistic practice and scientific enquiry.

The Map Marathon celebrated a number of key anniversaries: from the 40th anniversary of the Serpentine Gallery to the 2500th anniversary of the first, original Marathon, in 490 B.C.