obadillo36 t1_isfp2i8 wrote on October 15, 2022 at 5:00 PM Reply to 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 I thought it said sperm whale lmao Permalink 4
obadillo36 t1_isfp2i8 wrote
Reply to 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
I thought it said sperm whale lmao