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TIL the largest Giant Squid recorded by scientists weighed nearly a ton and measured 43' (13m), but are rarely seen alive in their habitat due to living deep underwater; these Giant Squids are capable of catching prey 33' (10m) away using tentacles 2x the squid's length with sharp suckers attached

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7ypX TIL that a real light bulb cartel lowered the average lifespan of a bulb to 1,000 hours in order to boost sales in the 1920s. Their successful work popularized the concept of planned obsolescence.
1847 TIL Two baby girls were switched at birth in 1931 at the Leiden University Medical Center. Suspicions didn’t rise until two decades later, when the girls met at a wedding and wondered at their mutual likeness to each other’s family.
wLVPJ TIL Skellig Michael, the island which served as a filming location for the end of Star Wars: The Force Awakens and several scenes in The Last Jedi, was founded by a Gaelic Christian monastery between the 6th and 8th century and remained continuously occupied until abandoned in the late 12th century
gYpy TIL Sic is an adverb used to indicate that quoted matter is transcribed exactly, including any errors. Use of sic greatly increased in the mid-twentieth century, with a major factor being the use of sic as a form of ridicule.
6EvnQ TIL Randy Gardner stayed awake for 264 hours, a world record. On the 11th day, when he was asked to subtract seven repeatedly, starting with 100, he stopped at 65. When asked why he had stopped, he replied that he had forgotten what he was doing.