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TIL Thomas Jefferson invented the swivel chair.
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untoldhistory.org
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mxEBv
TIL Dupont, a chemical company, knowingly dumped an incredibly toxic chemical, called C8, into the Ohio River. The chemical eventually made it's way to aquifers downstream and gave thousands of people different kinds of cancers, and many kids birth defects.
xAV1
TIL that to eliminate all the elusive invasive goats in the Galapagos, researchers attached a radio-collar to a ‘Judas goat’ who would, because of its gregarious nature, seek out other goats. It was then tracked down, the group killed, but with the 'traitor’ left alive in order to find more goats.
KpXw
TIL when Google goes down, they lose 100k a minute, and 40% of the internet goes down with it.
R7j09
TIL A toothpaste was sold in early 20th century Germany which was slightly radioactive because it contained small amounts of thorium. Its radioactivity was promoted as imparting health benefits and the product is exemplary of the radioactive quackery which thrived in those times
v19AK
TIL the original "Echidna" was not an egg-laying mammal, but a legendary half-woman half-snake who was the mother of several Greek monsters, including the Hydra, Sphinx, Chimera, and Cerberus.