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PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys since its 1974 debut.

Decoding the Weather Machine

Discover how Earth’s intricate climate system is changing.
Prediction by the Numbers

WETA PassportPrediction by the Numbers

Discover why some predictions succeed and others fail as experts forecast the future.

Great Escape at Dunkirk

WETA PassportGreat Escape at Dunkirk

How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940.

First Face of America

WETA PassportFirst Face of America

Discover remains of a 13,000 year-old teenager in an underwater cave in Mexico.

The Impossible Flight

WETA PassportThe Impossible Flight

For the first time, two intrepid pilots fly a solar-powered airplane around the world.

Bird Brain

Bird Brain

Watch as birds solve puzzles and challenge our basic notions of intelligence.

Day the Dinosaurs Died

Day the Dinosaurs Died

Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.