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TIL Sardinian women performed bloody euthanasia service to elderly or sick people by hitting them with a hammer in the head

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69VRm Today I learned that honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are still edible after thousands of years. This is because honey has a unique chemical composition that makes it difficult for bacteria to grow in it.
j6AZR TIL There are 5 basic human tastes: sweetness, saltiness, sourness, bitterness and umami.
7r66X TIL that after Hippocrates started going bald, he prescribed himself a topical concoction of opium, horseradish, pigeon droppings, beetroot, and spices. After noticing that eunuchs never went bald, he also prescribed castration to prevent hair loss - and researchers in 1995 proved that to be true
xV6Gb TIL that in 1975, Gary Dahl invented the pet rock. He took rocks from a Mexico beach and, over the course of only half a year, would sell each rock for $4, making himself over $1.5M.
9w8aB TIL even traveling at the speed of light, it would take us 25,000 years to reach the center of our galaxy.