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TIL that on Earth, sound has a "maximum" volume (194 dB)

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RNOQ TIL PubMed, a free database available to the public containing huge amounts new science studies, papers, and research, is slowly dying due to federal budget cuts. They are currently on a stand still of posting new data due to staff limitations.
wo6AJ TIL the study and collection of postcards is called deltiology. The term was coined in 1945 from the Greek word "deltion", meaning "small illustrated tablet or card".
ANmwo TIL about a "Condor" score in golf, which is -4, under par. condor would be a hole-in-one on a par-five, a two on a par-six, or a three on a par-seven. It has only been achieved 6 times in history.
ADX0o TIL that a German carpenter named Georg Elser attempted to assassinate Hitler in November 1939, only one month into WWII. His bomb, hidden at a speech venue, went off successfully but failed to kill Hitler, who had finished his speech and left early.
D1mv TIL the (hilarious comedy) “Airplane!” was a remake of the 1957 (totally serious) dramatic film “Zero Hour,” and contains many of the same exact lines and scenes.