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atomicalexx t1_isgwmwz wrote

Reply to comment by myeff in TIL: Sperms were thought to move by wiggling their tails side-to-side, like eels, for 350 years. But research shows that they roll as they move forward like a spinning top. by vect77

People still seem to perpetuate that belief today. The number of "I was the fastest sperm" memes I've seen blow my mind

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