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TIL in 1867, Alfred Nobel discovered dynamite by stabilizing nitroglycerin with a safe agent. This invention transformed construction and mining, made Nobel wealthy, and ultimately became the funding source for the Nobel Prizes.

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OobvY TIL I learned that Owls can't move their eyes at all - they can only look straight ahead. To compensate, they use their long, flexible necks to move their eyes through 270 degrees of rotation. Their eye 'structures' provide fantastic vision and account for up to five percent of their body weight.
gKoA TIL According to a 2007 study from researchers at the University of Copenhagen; All blue eyed people can be traced back to one person who lived near the Black Sea 6,000 to 10,000 years ago.
9Y4eM TIL that out of the 50,000 workers that could have been in the world trade centre on September 11th 2001, only around 19,000 were there that day for two main reasons; because people were late taking their kids to the first day of school and voting at local polling station for the mayoral election
RAl TIL that the magazine KIDS DISCOVER does not publish a single advertisement in their issues because they don’t believe in marketing to minors
WkgLL TIL astronaut Wally Schirra would take pictures of his frozen pee as it floated through space, glinting with sunlight. The pee-flakes looked like a beautiful starfield, he said. One astronomer saw a photo & asked what constellation it was, and Schirra said "Jocelyn, that's the constellation Urion."