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    How long can humans survive without gravity?

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    firstsciencetv

    by firstsciencetv

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    Will future generations rely on long-term space travel for survival? Could the human body survive long periods in space?

    Taken from the documentary: "FirstScience Presents: Starman" available at FirstScience.tv

    Download in full at: http://firstscience.tv/starman.htm