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Extras

    Video thumbnail: NOVA How Scientists Discovered Dark Matter

    NOVA

    How Scientists Discovered Dark Matter

    What kind of clues led to the discovery of Dark Matter and its place in the universe?

    How Scientists Discovered Dark Matter

    Video thumbnail: NOVA How the Universe Will End

    NOVA

    How the Universe Will End

    Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?

    How the Universe Will End

    Video thumbnail: NOVA What's the Universe Made Of? Preview

    NOVA

    What's the Universe Made Of? Preview

    Peer into the universe’s deep unknowns to explore the mysteries of dark matter and energy.

    What's the Universe Made Of? Preview

    Video thumbnail: NOVA Physics Is a Never-Ending Puzzle

    NOVA

    Physics Is a Never-Ending Puzzle

    Physics rarely yields finite answers, but that doesn’t deter scientists.

    Physics Is a Never-Ending Puzzle

    Video thumbnail: NOVA Profile: Priya Natarajan

    NOVA

    Profile: Priya Natarajan

    Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.

    Profile: Priya Natarajan

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