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TIL due to the failure of the Boeing 2707, a Concorde competitor, and a downturn in general aviation in the 1970s, Boeing fired 60,000 employees. So many people left Seattle that a billboard was placed near the airport that read "Will the last person leaving Seattle turn out the lights?"

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lobpK TIL That Medival Europeans thought that a brownstone supposedly found in old toads heads could cure almost any poison and the stones were often made into highly prized jewelry. These stones were in fact fossils dating from the Jurassic/Cretaceous period and had no curative properties.
wmnP TIL David Kirwan, 24, jumped into a near-boiling hot spring at 200°F (93°C) in Yellowstone, after his dog escaped the truck and ran into the Celestine Pool and began yelping. Several people tried to stop him by yelling warnings, but he replied “Like hell I won’t!” and then entered. Both perished.
XEj0R TIL feedback loops in Systems Theory. An example of feeback loops are birth rates( a reinforcing loop) and death rate( a balancing loop) all of which act on a giving population. Reinforcing loops enhance what is already existent( like a good investment) and balancing loops level things out.
Bragr TIL The 1904 Olympic Marathon included a runner who was poisoned by his trainers, a runner who was chased a mile off-course by dogs and a runner who ate rotten apples, had to lie down for a bit and still finished fourth.
Pd6n TIL: Thirty-five percent of people are born without wisdom teeth. Experts believe they will eventually be gone.