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TIL that in 1984, 6,600 tons of radioactive rebar were distributed throughout Mexico and the U.S. after a radiation therapy unit was sent to a junkyard in Juárez, Mexico and converted into scrap metal. 814 irradiated buildings were ultimately demolished and 4,000 people were exposed.

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EgYgo TIL that Chicago's Museum of Science and Industry has bred nearly 8,000 chicks annually (around 20 a day) as part of a Chicken Hatchery exhibit since 1956. The chicks are kept on exhibit for Museum Visitors to view for a week. After that, most are fed to animals at the Lincoln Park Zoo.
rpOd TIL MMA fighter Matt Hamill noticed a car speeding down the wrong side of the highway and turned his car around, gave chase and safely forced the car to a grassy area. He then punched out a window to stop the car, potentially saving the child passenger and the inebriated mother’s lives.
xVELw TIL that everyone is actually blind in one part of their vision, and you can easily see this in action right now with a simple test. The cause is nerve fibers blocking the retina, and your brain just fills in this spot with surrounding images, so you don't normally notice it.
kv8g TIL that PETA euthanized 95% of the animals in the shelter at its main headquarters in 2011.
QNQ4E TIL that Canada supplied India its first reactor, the CIRUS, during the 1950s, exclusively for "peaceful purposes", but over the protestations of Canada, became the source of India's first nuclear warhead.