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        NOVA | Common Past, Different Paths

        Time-lapse color microphotography by Lennart Nilsson shows four embryos during development. This video from NOVA: Odyssey of Life, captures the shared ancestry of animals with backbones. Viewers watch as each embryo passes through early stages that look very similar.

        This video is available in both English and Spanish with closed captions.

        For more information visit NOVA.

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