› added 9 years ago

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TIL there is a Kardashian index for scientists that indicate if a scientist has an overblown public profile without significant scientific contribution.

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R5lp6 TIL Iqbal Masih was a child laborer in Pakistan who escaped twice and became an advocate against the practice before being assassinated at the age of 12.
7KgZ TIL In 1939, Georg Elser, a 36-year-old carpenter from a small town in southern Germany, spent 30 nights hollowing out a pillar in a German beer hall in order to plant a bomb. Acting in secret and without the help of anyone else, he had a meticulous plan to kill Adolph Hitler. He almost succeeded.
Br9pK TIL Americans purchase approximately $6.5 billion in greeting cards each year. Birthday cards, followed by sympathy cards, are the most popular.
X0Pw6 TIL "red" cones in human eyes have a wavelength absorption peak in the "yellow" part of the spectrum.
1pO TIL that the first Spaniard to meet Mesoamericans died fighting for his adopted homeland - against Spain