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‘NOVA’ presents ‘Asteroids: A Spark of Life?’

What if asteroids were the key to our existence? Explore the revolutionary theory that collisions provided essential ingredients for life.

Coming up on ‘Energy Switch:’ Alternative energy strategies

Twenty years ago, alternative energy strategies were rare. Our guests will speak on how they’ve led these strategies with great success.

‘Energy Switch’ presents ‘Russian Energy’

Learn how Russian energy exports fund its government and war efforts, and how it will continue to play an outsized role in global politics.

Why Dinosaurs?

From prestigious museums and universities to blockbuster films and toys, dinosaurs have always fascinated us. But, why?

‘NOVA’ presents ‘Operation Space Station: High Risk Build, part 1’

Explore an unprecedented feat of engineering: The construction of the International Space Station, a space lab hurtling around Earth.

‘NOVA’ presents ‘Superfloods’

Recent flash floods, or superfloods, have devastated the U.S. Explore why dangerous floods are on the rise and what can be done.

Secrets of the Dead: Chasing the Plague

Follow scientists as they track down the earliest known bubonic plague victims in hopes of preventing future outbreaks

‘Energy Switch’ on ‘Air Conditioning’

In this episode of “Energy Switch,” we’ll learn about air conditioning and its challenges including greater electricity demand and emissions.

NOVA: Humans — Journeys

See how they invented new tools to thrive in challenging environments – and meet the mysterious hobbit-like humans.

Energy Switch: Grid-Scale Batteries

Grid-scale batteries on our power grid could balance the intermittency of wind and solar, along with the normal irregularities of the grid.