Contrary to what people have thought, sperm tails don’t beat symmetrically. High-speed 3-D microscopy and mathematical analyses reveal that the tails wiggle to only one side as the cells roll. The combination of movements keeps sperm swimming straight ahead.
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CREDITS
Story
Jack J. Lee
Production
Helen Thompson
Video
polymaths-lab.com
H. Gadêlha et al/Science Advances 2020
efcarlos/Creatas Video/Getty Images Plus
cinejinn/Creatas Video+/Getty Images Plus
Music
“Flight of the Bumblebee” by Nikolai Rimsky-Korsakov
US Army Band/Musopen
Citation
H. Gadêlha et al. Human sperm uses asymmetric and anisotropic
flagellar controls to regulate swimming symmetry and cell steering.
Science Advances. Published online July 31, 2020.
doi: 10.1126/sciadv.eaba5168.
