Laxxboy20 t1_ish75hx wrote on October 15, 2022 at 11:29 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 >Sperm was first discovered in 1677 – but it took roughly 200 years before scientists agreed on how humans are actually formed. The “preformationists” believed that each spermatozoa contained a tiny, miniaturized human – the homunculus. TIL the origin of homunculus Permalink 1
Laxxboy20 t1_ish75hx 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
>Sperm was first discovered in 1677 – but it took roughly 200 years before scientists agreed on how humans are actually formed. The “preformationists” believed that each spermatozoa contained a tiny, miniaturized human – the homunculus.
TIL the origin of homunculus