Sperm don't swim anything like we thought they did, new study finds

Sperm will not swim everything like we assumed they did, new analyze finds

Less than a microscope, human sperm seem to swim like wiggling eels, tails gyrating to and fro as they seek out an egg to fertilize. 

But now, new 3D microscopy and large-velocity online video reveal that sperm never swim in this basic, symmetrical movement at all. In its place, they move with a rollicking spin that compensates for the truth that their tails really beat only to one particular facet. 

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