Season 44

    Video thumbnail: NOVA Bird Brain

    NOVA

    Bird Brain

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

    Bird Brain

    Video thumbnail: NOVA Killer Volcanoes

    NOVA

    Killer Volcanoes

    Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.

    Killer Volcanoes

    Video thumbnail: NOVA Ghosts of Stonehenge

    NOVA

    Ghosts of Stonehenge

    Archaeological research uncovers provocative new clues about Stonehenge.

    Ghosts of Stonehenge

    Video thumbnail: NOVA Secrets of the Shining Knight

    NOVA

    Secrets of the Shining Knight

    Discover the world of medieval knights and see how their armor was made.

    Secrets of the Shining Knight

    Video thumbnail: NOVA Poisoned Water

    NOVA

    Poisoned Water

    What exactly went wrong in Flint—and what does it mean for the rest of the country?

    Poisoned Water

    Video thumbnail: NOVA The Origami Revolution

    NOVA

    The Origami Revolution

    Engineers are using origami to design drugs, micro-robots, and future space missions.

    The Origami Revolution