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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.

Secrets in our DNA

What can DNA testing companies reveal about our ancestry and health, and at what risk?
Saving Notre Dame

Saving Notre Dame

Scientists and engineers fight to save Notre Dame Cathedral after the 2019 fire.

Can We Cool the Planet?

Can We Cool the Planet?

Scientists look to geoengineering and other methods to cool the planet.

Touching the Asteroid

WETA PassportTouching the Asteroid

Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.

Nature's Fear Factor

Nature's Fear Factor

Can bringing predators—and fear—back into an ecosystem help restore its natural balance?

A to Z: How Writing Changed the World

WETA PassportA to Z: How Writing Changed the World

The creation of printing, the first information technology, drove empires and revolutions.

A to Z: The First Alphabet

WETA PassportA to Z: The First Alphabet

The birth of writing and the first alphabet were among the world’s most vital inventions.