› added 1 year ago

61

TIL that "Blue Rain" reportedly fell in Australia after nuclear tests in the 1950's

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9YLDB TIL The modern “Western” depiction of Santa Claus can be traced back to a 1931 Coca-Cola advertising campaign.
jaJN TIL TV mystery series ‘Columbo’ was so popular in Romania that when the show was cancelled the Romanian gov’t feared riots, so they had the US State Dept. ask Peter Falk to record a video message to the Romanian people, which he did by reading it phonetically into the camera
ADBQn TIL about "cello scrotum", a medical condition published in the British Medical Journal as a joke
LQpJZ TIL about the Oh-My-God particle; an ultra-high-energy cosmic ray detected on 15 October 1991. As of 2023 it is the highest-energy cosmic ray ever observed and the time of its detection it was traveling at 0.9999999999999999999999951 times the speed of light.
6EM07 TIL almost all life on earth was destroyed around 2.4 billion years ago in the Oxygen Catastrophe (aka Great Oxidation Event). Photosynthesizing microorganisms pumped massive amounts of oxygen into the previously oxygen-poor atmosphere, making it oxygen rich. Most species perished, new ones arose.