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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.

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5Y8JD TIL about the Sprint missile, part of an ABM system which blew open its silo with explosives, launched the missile platform out of silo with explosives, and reached Mach 10 (7610mph) in five seconds; traveling so fast it required an ablative heat shield, with surface temperatures reaching 6200F.
LRpV TIL Christian Bale’s stepmother, Gloria Steinham, was a feminist who protested the 1991 publication of the novel, American Psycho, due to its portrayal of violence toward women. In 2000, Bale went on to star as the title character of the novel’s film adaption.
78Z07 TIL that many viruses are beneficial. Some viruses, called phages, infect and manage bacterial populations. Others help plants survive in extremely hot soil. And, ancient viruses may have greatly influenced our DNA today.
Y7XWv TIL George V’s death was purposely expedited by his doctor when he injected the Kings jugular vein with morphine and cocaine. Some have called it euthanasia, others, murder.
noVG TIL there is such a thing as one-way bulletproof glass. This allows you to return fire through the glass while still keeping you protected from the attacker (your shot leaves a bullet-sized hole, but doesn’t compromise the rest of the shield).