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Archive for August 26, 2015

Fertilization discovery: Do sperm wield tiny harpoons?

Fertilization discovery: Do sperm wield tiny harpoons?

Could the sperm harpoon the egg to facilitate fertilization? That’s the intriguing possibility raised by the University of Virginia School of Medicine’s discovery that a protein within the head of the sperm forms spiky filaments, suggesting that these tiny filaments may lash together the sperm and its target.

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