› added 5 years ago

291

TIL that there is an organic compound called penguinone because it looks like a penguin

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oORW TIL there are Pearl Harbor “truthers” who believe FDR orchestrated the attack so he would have an excuse to declare war.
jN57X TIL Scientists in China have successfully grown tooth enamel which paves the way to replace fillings & crowns. A chemical mixture applied to whole human teeth created an enamel layer 2.7 micrometers thick within 48 hours. (Calcium & phosphate ions with triethylamine in alcohol).
R9jj TIL Abraham Lincoln’s sole guard at Ford’s Theater on April 14, 1865 was an unreliable cop who walked to the saloon next door to get drunk during the fateful play. Ironically, John Wilkes Booth was at the same saloon working up courage before walking next door to assassinate the unguarded President.
Pg1G TIL that between 2007 and 2012 no new malls were built in the United States
Oo8bL TIL violent crime in New York City has been dropping since 1991 and as of 2017, is among the lowest of major cities in the United States. In 2017, there were 290 homicides, the lowest number since the 1940s.