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TIL in 2019 Argentina, Paraguay and Uruguay suffered a massive power outage that struck most of Argentina, all of Uruguay, and parts of Paraguay on, leaving an estimated 48 million people without electrical supply.

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RnK8 TIL that the Greater Honeyguide, a bird from sub-Saharan Africa, leads humans to bee colonies and, after we take the honey, feeds on the larvae and beeswax. It seems to only use humans and likely evolved this behaviour with early men. Honeyguides may be mankind’s oldest buds, even before dogs.
VBOBZ TIL: That Alfréd Hajós was a Hungarian swimmer who won two gold medals in swimming at the 1896 Athens Olympics. He went on to compete in the 1924 Paris Olympics 28 years later winning a silver medal for architecture, making him one of only two Olympians ever to have won medals in both sport and art.
1aMOP TIL that the ISS(International Space Station) orbits 250 miles(410km) above the surface of the Earth. This would be near equivalent to the straight line distance of San Antonio, Texas to Dallas, Texas.
LknmZ TIL the average human gut naturally produces 3 grams of alcohol a day through fermentation. Over the course of a year this is the equivalent alcohol of about 2 full bottles of whiskey.
x6VQg TIL Cecil Jacobson, a fertility doctor who used his own sperm to impregnate his patients without informing them, was awarded the Ig Nobel Prize for Biology in 1992, “for devising a simple, single-handed method of quality control.”