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TIL Freckles, a goat in Utah, was implanted with spider genes as an embryo to produce spider silk protiens in her milk which is used to make “biosteel,” a material stronger than kevlar.

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9YlNB TIL Rugrats, Doug, and Ren & Stimpy all debuted on the same day (11 Aug 1991)
4X4Y6 TIL that up until the 1600s, a “black swan” was a metaphor for something that did not exist. Then a group of Dutch explorers became the first Europeans to see black swans in Western Australia in 1697, and the phrase was amended to mean “a perceived impossibility that might later be disproven.”
xryk TIL that wolves in the wild do not have “alpha males” or “alpha females” with subordinate “betas” or “gammas”. Wolf packs are a family with the offspring of previous years.
bVOQ TIL that a study performed by the Department of Food Science and Human Nutrition at Clemson University found that three to six instances of double-dipping “would transfer about 10,000 bacteria from the eater’s mouth to the remaining dip.” The study concluded that double-dipping should be curtailed.
a8Jr9 TIL that the Amber Alert isn't named after the color, but after Amber Hagerman, a nine-year-old Texan girl who was kidnapped right off the streets and later found dead with her throat slit four days later. Her murder is still unsolved.