How Eggs Fight Off Tardy Sperm Intruders [Science]

During human (or any mammalian) fertilization, if more than one sperm manages to get inside an egg, there are typically no survivors. A violent competition between the two sperm brings the whole kit and caboodle to a tragic end. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/CPFzmv-H_Os/how-eggs-fight-off-unwanted-tardy-sperm

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