Episode Clips

Why Fires Move Faster Up a Hill than Down

U.S.D.A. scientists conduct an experiment to discover why fires move uphill.

Camp Fire Survivor Sees Destroyed Home for the First Time

A resident returns home and witnesses the Camp Fire's destruction firsthand.

Residents Flee Paradise During the Camp Fire

As the Camp Fire scorches a community in California, residents leave by car and on foot.

How Did the Camp Fire Start and Spread?

From the start, California’s deadliest fire had the potential for disaster.

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First Horse Warriors

The advent of horse riding changed the course of human history and our genetic makeup.

Lost Viking Army

Bioarchaeologists investigate a 9th-century mass grave thought to hold a lost Viking army.

Back to the Moon

Discover why scientists and entrepreneurs alike have their sights set on the Moon again.

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