› added 5 years ago

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TIL of the Korean TV programme, 'Finding Dispersed Families', that aired in 1983 and was responsible for reuniting over 10,000 Koreans with family that they had lost during the Korean War. Originally planned to be 95 minutes, the programme went on to run for 453 hours, with over 53,000 participants.

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xr45 TIL Killer bees were created in an attempt to breed tamer and more manageable bees. This was done by crossing a european honey bee and an african bee, but instead the offspring became more aggressive and highly defensive bees that had escaped into the wild
wQXW TIL Katy Perry’s parents wouldn’t let her eat Lucky Charms as a child, because the word “luck” was considered satanic.
JYGk4 TIL there was a caste in medieval France and Spain who had to use separate entrances to churches and were fed communion at the end of the spoon because they were thought to be contagious. We're still unsure why they were persecuted, because they were not ethnic, religious, or linguistic minorities.
xV9kB TIL of Aeroflot Flight 6502, where the pilot made a bet with the co-pilot that he could land the plane "blind". The plane crashed, resulting in 70 fatalities. The pilot survived, and served only a 6-year prison sentence.
91vQ TIL that glass is transparent because of quantum mechanics, not due to the density of the particles. Basically since there are discrete energy states, if the photon can’t excite the electron up to the next orbital, it just falls back down and shoots the photon out with the same momentum as before.