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With their whip-like tails, human sperm propel themselves through viscous fluids, seemingly in defiance of Newton's third law of motion, according to a new study that characterizes the motion of these sex cells and single-celled algae.
Scientifically deep article that is actually very interesting
Well, they could have asked any third-year mechanical engineering student for an explanation out of the Fluid Mechanics book.
Either the "scientists" writing this purported paper, or the "journalist" writing this clickbait article, or both, lacks a fundamental understanding of the laws of motion, fluid mechanics, or animal motion.
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