Ara-gant t1_isgeuid wrote on October 15, 2022 at 8:02 PM Reply to comment by getyourcheftogether 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 How do you know how his urine comes out? Permalink Parent 50
Ara-gant t1_isgeuid wrote
Reply to comment by getyourcheftogether 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
How do you know how his urine comes out?