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TIL the reason why you occasionally can receive radio stations from cities far outside their normal broadcast range. A phenomenon called Tropospheric Ducting acts like a lens, bending the radio waves and greatly extending the normal reception range.

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8mL4 TIL the pool under the gym floor from It’s a Wonderful Life is a real pool, and still in operation today at Beverly Hills High.
GwRg TIL that in 1983, The American TV network NBC launched a sitcom about a talking oranguntang named Mr. Smith who is found to have an IQ of 256 and eventually becomes an important political advisor.
4kbe5 TIL when Crown Prince Rudolf of Austria (1858-1889) was six, he received water treatment, waking up with pistol shots, nocturnal exposure in the zoo as well as hours of exercise as part of his military education. This abuse was likely a contributing factor in his later suicide.
kON05 TIL That two people died during the production of France's version of the show 'Survivor'. A contestant died from medical complications following a challenge, and then the doctor who treated him committed suicide a few days later.
oo7 TIL that a white abolitionist, who would go on to kill and terrorize slave owners across the south, uttered the phrase “by whatever means necessary” 100 years before Malcolm X used a similar phrase.