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TIL that many popular parenting practices may be linked to reduced brain development in infants. Such practices include “the use of infant formula, the isolation of infants in their own rooms or the belief that responding too quickly to a fussing baby will ‘spoil’ it.”

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dDaNQ TIL Olfactory Aversion Conditioning was shown in a study to temporarily reduce overeating in a test group, but the weight-loss results didn't last once the study ended and the aversive stimuli were taken away
ZEZR TIL “Sonder” refers to the realization that each random passerby is living a life as vivid and complex as your own—populated with their own ambitions, routines, worries and inherited craziness in which you might appear as an extra sipping coffee in the background or as a lighted window at dusk.
gjvy TIL The Library of Alexandria “borrowed” works to be copied for their collection then returned, but instead the library gave the lender the copy and kept the original
4Xmxg TIL about the Immortal Jellyfish. This jellyfish has the ability to revert its cells back to a baby whenever it’s in harsh environments or it’s injured. Scientists are currently studying them for a cure for cellular disease.
pYo48 TIL the reason that purple has traditionally been associated with royalty was because, in Ancient Rome, the only source of purple was milking and fermenting the liquid from a snail. It took 12,000 snails to produce 1 gram of dye! This made the Caesars declare it their exclusive color.