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167

Today I Learned How Dumb America Is!

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78rGM TIL in the Electric Light Orchestra song, Standin' in the Rain, the string instruments at 1:07 are playing a staccato rhythm that spells out E-L-O in Morse code.
695G7 TIL That the concrete used by the ancient romans has self healing properties, can last thousands of years and can make construction more environmentally sustainable
QJYo6 TIL Tchaikovsky hated to conduct by his own admission. He became obsessed with the fear that his head was going to fall off while he conducted. In 1868, when Tchaikovsky conducted his own Dances of the Hay Maidens, he held his head in place with his left hand while he conducted with his right.
Menl0 TIL of the "Brown Ocean Effect", wherein tropical cyclones maintain their strength of even intensify after making landfall. Tropical Storm Erin (2007) and Bill (2015) both exhibited characteristics of this phenomenon.
pYEBp TIL that in 2004 the average attention span was found to be 150 seconds long. By 2012 it had declined by half to 75 seconds, and by 2018 the average attention span had decline further to just 47 seconds long.