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    Watch The Moment An Egg Becomes An Embryo

    A new study shows a zinc outburst occurs when an egg meets sperm.

    What actually happens to tip an egg over from just hanging out, doing eggy things, to being an embryo?

    If your knowledge extends to knowing that some sex ed terms like "embryo" and "zygote" make great Scrabble words, read on.

    New research has captured the moment when an egg meets sperm in a mouse.

    Watch the sparks fly below.

    View this video on YouTube

    h/t Science News