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TIL there was a traffic jam in China that started on August 13th 2010; it lasted two weeks, jammed traffic for over 100km and allowed drivers to move roughly 1km a day. It inspired people to sell noodles in the jam for 3x the normal price and bottled water for ¥15, it normally sold for ¥1.

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p8V5O TIL that despite Orcas being bigger, smarter, and more sociable animals than Great Whites, many humans still incorrectly view the shark as the dominant predator of the ocean. Many humans do not know that orcas routinely hunt great white sharks.
VB69p TIL cells contain a protein machine, called the proteasome, which takes misfolded proteins that can't be refolded and breaks them into smaller subunits. It is part of a system called the ubiquitin–proteasome, where ubiquitins detects the misfolded proteins and sends them to the proteasome.
GYk7j TIL the editors of Webster's Dictionary see dictionaries as keeping record of social usage of words rather than defining what a would should mean.
kORxm TIL - In June of 2017, the helmet worn by Rick Moranis as Dark Helmet in Spaceballs sold for $39K at a Hollywood memorabilia auction. Also sold at this auction, the light up dance floor from Saturday Night Fever ($1.2M) and R2-D2 from Star Wars ($2.76M)
E1Bno TIL about the Peak-End Rule – a cognitive bias whereby we tend to judge and remember an experience/event on the basis of how we felt at its 'peaks' (intense positive or negative moments) and at its 'end' (the final moments) rather than the sum total of all the moments of the experience/event.