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TIL that many buildings set their thermostats for male comfort levels

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J1Bl1 TIL: In the late 1970’s, a radioactive Source of Cobalt-60 was smelted down to make rebar, and ~4000 people were exposed across Mexico and the US. The contamination was found in 1984, when a trucker took a wrong turn, into the Los Alamos Lab, setting off detectors.
88Ra TIL Jackie Chan’s parents tried to sell him to a british doctor for around 100-200 dollars
kOxd7 TIL I learned about RAS Syndrome (redundant acronym syndrome), which is when one or more words, in an acronym, are repeated. Such as, PIN Number, ATM Machine, or UPC Code.
16xMV TIL that one man has single-handedly mapped over 90% of the River Thames.
j6R1M TIL Shanghai Maglev train has a maximum cruising speed of 431 km/h (268 mph), making it the fastest train service in commercial operation. It takes about 4 minutes to reach max speed.