› added 4 months ago

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TIL Male llamas and alpacas have what are called "fighting teeth", that they use to fight over mates

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pmab TIL a belief that the eye “recorded” the last image seen before death was widespread in the late 19th and early 20th centuries and the process of retrieving the image is called ‘Optography’.
BlrK TIL in 19th century Germany there was a man who was both the local tax collector and caretaker of the dog pound. Since tax collecting was a dangerous job, he used the pound to make a new breed a dog that would protect him while collecting. His name, Karl Friedrich Louis Dobermann.
xJg TIL until the 18th century we had a “single-sex” view of the two bodies, where women were simply cold, “underdeveloped” men, whose penises never dropped. The vagina was an “inside-out penis,” and both men and women produced semen.
1n0r TIL that Yelp manipulates user reviews to give favorable ratings to businesses that pay them ad fees, and to “punish” businesses that don’t.
pVV4 TIL in the 1950s, hundreds of babies were on loan from orphanages to various U.S. universities. There, students could practice the latest child-rearing theories of the day on a real newborn. After a year or two, the babies would leave their multiple mothers to find homes in adoptive families.