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TIL CO2 bonds with the moisture in your nose creating carbonic acid. That's why it burns when you burp after drinking a soda.

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XENnX TIL Ford offered Bob Zemeckis $75K to change the DeLorean in Back to the Future to a Ford Mustang. Bob's response was, "Doc Brown doesn't drive a fucking Mustang."
p8rdA TIL about 1/3 of new cars no longer come with a spare tire. While some have run-flat tires, having no spare tires decreases weight and increases fuel economy.... and also quietly saves car companies millions of dollars a year
aG69 TIL that trickle-down economics used to be known as the “horse and sparrow” theory based on the idea that if you feed the horse enough oats, some will pass through his bowels undigested for the sparrows to eat.
Y7ZPB TIL that the U.S. Army created four fake armies and over 20 fake divisions, including insignia and documents, to mislead and confuse the Germans during WWII
oRdGY TIL An unexplained phenomenon in neuroscience is the discovery that electrical stimulation in temporal neocortex can cause neurosurgical patients to spontaneously experience memory retrieval. (2012)