NOVA scienceNOW - Season 4 Episode 1 Diamond Factory / Anthrax Investigation / Auto-Tune / Luis Von Ahn

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Geologist Iain Stewart explain in three stages of natural history the crucial interaction of our very planet's physiology and its unique wildlife....

They are some of the world’s all-time greatest building projects. Most have stood the test of time, but with today’s technology, could...

From strange abductions, to mutated species, to bizarre occurrences, there are some phenomena that science cannot - or will not - explain. This...

Explore some of the most death-defying accidents caught on film. Survivors and eyewitnesses explain what went wrong and a panel of experts dissect...

A former U.S. President is called out of retirement to find the source of a deadly cyberattack, only to discover a vast web of lies and conspiracies.

Two mob families clash in a war that threatens to topple empires and lives.

When her friend's daughter goes missing, criminologist Lejla joins the search — and must confront the haunting trauma of her own childhood...

When a spy posing as a politician's wife learns her lover has been murdered, an old assassin friend joins her on a quest for truth — and...

Amid the unification of 1860s Italy, a Sicilian prince grapples with the collision between his family's ancient privilege and revolutionary change.

Fascinated by cars since childhood, Brazilian racer Ayrton Senna became a sports legend — until tragedy struck, changing Formula 1 forever.

Hezekiah and Alec, two friends from Jamaica, finds themselves thrust into the criminal underbelly of London's East End. Here they meet Mary Carr,...

A rancher fighting for his land and family stumbles upon an unfathomable mystery at the edge of Wyoming’s wilderness, forcing a confrontation...

Set in the proverbial boomtowns of West-Texas and a modern-day tale of fortune-seeking in the world of oil rigs, the series is an upstairs/downstairs...

Traci Harmon, a veteran female training officer, and her rookie male ride-along, Alex Diaz, navigate the loss of a fellow officer and politics of...