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TIL that the Ohio River's volume is greater than the Mississippi's volume at their confluence; hydrologically, the resulting river is usually named for the higher-flow contributor.

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67Z8 TIL that 92% of Afghan men have never heard of 9/11
lo9WG TIL CBS was supposed to use the song 'One Shining Moment' after Super Bowl XXI but game coverage ran long and the music montage was cut, so they used it after the NCAA Men's Division I National Championship Game a few months later and it's now been a March Madness staple for more than 30 years.
WkXjd TIL that hundreds of US agents during the cold war were caught due to their fake soviet passports. It was later discovered that the staples used in these forged passports were stainless-steel, unlike the soviet ones which corroded very easily.
jMop TIL NASCAR Legend Dale Earnhardt, along with many other NASCAR drivers, resisted use of the HANS device when it was introduced. The HANS was developed specifically to help prevent Basilar skull fractures common to car racing. Earnhardt later died after suffering this exact injury.
pY9Re TIL there is a rare disorder called uncombable hair syndrome caused by a genetic mutation that changes the hair shape from cylindrical to triangular