What makes us good or evil? It's a simple but deeply unsettling question. One that scientists are now starting to answer. Horizon meets the researchers who have studied some of the most terrifying people behind bars - psychopathic killers. But there was a shock in store for one of these scientists, Professor Jim Fallon, when he discovered that he had the profile of a psychopath. And the reason he didn't turn out to be a killer holds important lessons for all of us. We meet the scientist who believes he has found the moral molecule and the man who is using this new understanding to rewrite our ideas of crime and punishment.
Early humans eventually colonized Australia, the South Pacific, and the Americas. But how did our ancestors master the oceans? Learn how new discoveries in ancient DNA research are changing our understanding of the earliest sea voyages, from Easter Island to the Bering Strait.
Granted exclusive access to hundreds of drawings and paintings by Orson Welles, film-maker Mark Cousins dives deep into the visual world of this legendary director and actor, to reveal a portrait of the artist as he’s never been seen before – through his own eyes, sketched by his own hand, painted with his own brush. Executive produced by Michael Moore, The Eyes of Orson Welles brings vividly to life the passions, politics and power of this 20th-century showman and explores how the genius of Welles still resonates today, more than 30 years after his death.
2018 • People
Twenty four hundred years ago, Plato, one of history’s most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid, what exactly did he mean? Alex Gendler unravels Plato's Allegory of the Cave, found in Book VII of "The Republic."