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TIL human procrastination is considered a complex psychological behavior because of the wide variety of reasons people do it. Although often attributed to "laziness", research shows it is more likely to be caused by anxiety, depression, a fear of failure, or a reliance on abstract goals.

KOO7Q Imagine yourself at a concert hall looking at a symphonic orchestra on stage. Have you ever noticed that high-pitched strings sit left of low-pitched strings? Going from left to right, one usually sees violins, violas, cellos and double basses. That is, one moves from high pitches on the left to low pitches on the right. Why? The orchestra’s arrangement is not a cultural oddity, like driving on the right side of the road. Rather, it is due to our own biological makeup. Higher pitches tend to be better processed by the left hemisphere of the brain, while lower pitches tend to be better processed by a similar region in the right hemisphere. This organisation is thought to have repercussions far beyond music, perhaps even helping to explain why language is mostly processed in the left hemisphere. So the part of my brain that better processes high sounds sits where the higher-pitched instruments sit: on the left. But that’s not the end of the story.
N7nGE TIL, Elliott Rodger, perpetrator of the Isla Vista killings of 2014, got his head taped to a desk while he was asleep when being bullied by other students, and became increasingly isolated over time after he turned 18, and was unable to make friends before the tragedy he is known for.
5YxVB TIL that Barq's Root Beer is one of the only root beers that has caffeine.
W7NeA TIL Apollo 13 astronaut Fred Haise would've have walked on the Moon as commander of Apollo 19 before budget cuts cancelled that flight
Z8REQ TIL : With Pather Panchali, Satyajit Ray, besides making his debut, was also the first person to use a teaser advertising campaign before it hit the theatres.