› added 2 years ago

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TIL the Pinkerton Detective Agency never went out of business and is still in operation today, now, as a division of Securitas.

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X0rdE TIL that the initial plot for 9/11 was to hijack 10 planes and additional targets included the FBI/CIA HQs and nuclear plants. All male passengers of the final plane were to be murdered before landing it, where the pilot planned to make a speech.
16Bd TIL False Memory Syndrome is believed to have been abused by multiple therapists in order to convince patients that they have been raped, abused, or were once involved in satanic cults.
XEKOR TIL of the Dragon's Jaw Bridge, which became a symbol of resistance and legend of invincibility during the Vietnam War, being bombed by US forces 873 times and directly hit by hundreds of bombs and missiles in a span of seven years before finally being destroyed in 1972.
oBwnK TIL There was another game show called Double Dare. Hosted by Alex Trebek & airing on CBS, it pitted two contestants in booths attempting to identify something based on one-sentence clues. The champion would then face 3 PhDs(named Spoilers) in a bonus round. It lasted for 4 months from '76-'77.
Zpdrv TIL why blueprints are blue. They have a chemical called Ferric Ferrocyanide (which is light sensitive) and was used on the paper to make copies of designs and drafts, ultimately leading to that iconic blue color.