Season 46

    Video thumbnail: NOVA Why Bridges Collapse

    NOVA

    Why Bridges Collapse

    Can new engineering techniques help prevent deadly bridge collapses?

    Why Bridges Collapse

    Video thumbnail: NOVA Inside the Megafire

    NOVA

    Inside the Megafire

    Scientists investigate the deadly megafires that swept through California in 2018.

    Inside the Megafire

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