› added 5 years ago

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TIL that Theodore Roosevelt, Andrew Jackson, Archduke Franz Ferdinand, and Winston Churchill had tattoos!

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MgJK TIL, that psychologist Dr. John Gottman, created the magic ratio of 5:1. That a relationship is likely to be stable if there are five times as many positive interactions between partners as there are negative.
7rAWO TIL Ryan Gosling had no double for his pianist role in the La La Land movie. He learned to play the piano and all the musical compositions from scratch, in the 3 months before the movie was shot.
GX67 TIL that the human eye is sensitive enough that -assuming a flat Earth and complete darkness- you could spot a candle flame flickering up to 30miles (48 km) away.
X0PGj TIL about ball lightning, which are luminescent, spherical objects that can appear and last for over a minute before disappearing either quietly or as an explosion, leaving behind the smell of sulfur. There is no definitive explanation for them.
pYABO TIL the first recorded ascent of Ben Nevis (the highest mountain in Scotland and the UK) was made by James Robertson, an Edinburgh botanist, in 1771.