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TIL An ad for Tango, a soft drink in the UK, which showed a topless orange man slapping people as a metaphor for tasting the drink, caused a craze where kids would slap each other and say "You've been Tango'd!" With one child suffering a perforated ear drum. The ad was withdrawn.

YGKA TIL - Music artist Akon began an initiative to bring solar power to Africa. The venture has already raised more than $400 million dollars.
VMMvD TIL Oleic acid, the main constituent of Olive oil, is also emitted by the dead corpses of insects and bees. If a live bee or ant is dabbed with oleic acid, it is dragged off for disposal as if it were dead.
Wk1Eo TIL that Lewis and Clark's campsite 'travelers rest' was located by detecting mercury left behind in their stool samples. To combat constepation they consumed pills which contained the metal, mercury doesnt biodegrade so it's still detectable in multiple site locations across America.
5YxK9 TIL that Benjamin Franklin's many inventions include the flexible urinary catheter, odometer and swimming fins. He never got parents and wrote, “we should be glad of an opportunity to serve others by any invention of ours; and this we should do freely and generously."
kO91E TIL There are only two remaining residential buildings from the 19th century in what was at the time one of Detroit's most fashionable areas. The units of one house built in 1888 are mostly rented out to Wayne State University students and faculty