Human Sperm Don’t Wiggle, They Roll Like “Playful Otters,” Says New Research - Forbes
Jul 31, 2020 37 secs
The 340-year-old notion that sperm swim like “eels in water,” is actually false, say researchers from the U.K.

and Mexico whose study—published today in Science Advances—found that sperm roll “like playful otters,” twirling to propel themselves forwards.

This, however, is an optical illusion; using a 3D microscope the researchers from the University of Bristol and Universidad Nacional Autónoma de México discovered that sperm actually roll—rather than snake—to swim forward. .

"Human sperm figured out if they roll as they swim, much like playful otters corkscrewing through water, their one-sided stroke would average itself out, and they would swim forwards," said Gadelha to CNN.

Human sperm roll like 'playful otters' as they swim, study finds, contradicting centuries-old beliefs (CNN).


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