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TIL that the longest sailable straight line without hitting land is from Pakistan to Russia - 32090 km. While Earths circumference is just 40075 km.

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XEy0r TIL Ancient Greeks used electric currents produced by the torpedo fish to alleviate the pain of migraines, arthritis, and childbirth. This represents the first living electro-stimulation machine, a progenitor of modern Transcutaneous Electrical Nerve Stimulation (TENS) therapy.
kO817 TIL there have been several reported cases of people dying from laughter, including Greek philosopher Chrysippus (279-206 BC), who died from laughing too hard at his own joke about a donkey eating figs and drinking wine.
JE8j TIL That scientists use cancer’s drive to grow uncontrollably to trick it into producing vast amounts of antibodies to fight, among other diseases, cancer itself
1Wvr Today I Learned that Niagara Falls fell silent one day in the 1800’s, the water just stopped flowing for 30-40 hours. This happened late at night and those who lived near the falls were very surprised with how erie silent it was all of a sudden.
xPAw TIL On September 1997, the $1 billion American warship USS Yorktown’s propulsion system failed. The Yorktown was incapacitated in the Atlantic Ocean for 2 hours and 45 minutes. The propulsion system failure was caused when the software program made an error by dividing with zero.