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| Human sperm swim faster by flapping their tails on just one side and rotating around. Researchers used a high-speed 3D camera to capture the gamete’s 20–30 swimming strokes per second. What looks like boring side-to-side wiggling when observed in a dish is actually more of a precessing corkscrew motion. (Science | 2 min read) Reference: ScienceAdvances paper (Polymaths-lab.com) |
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