› added 4 years ago

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TIL that the formula for napalm was finalized in 1942 on Valentine’s Day and the prototype was first tested on Independence Day of the same year.

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gMQDW TIL that Shark repellent like the one used in the adam west Batman TV series actually exists and was used by the US Navy in WWII.
PY9aO TIL at the end of the 17th century in an attempt to modernize society, Russian Emperor Peter the Great taxed any men who didn't shave their beard. Those that paid the tax carried around a copper or bronze token as proof they had paid.
1a04V TIL the largest stadium in the world is located in North Korea, with a capacity of approximately 150,000
NgY8 TIL rich and middle class kids are more likely to have a peanut allergy than those who are poor.
mx9Xy TIL your brain/eyes will generate a "light show" (known as the Prisoner's Cinema) if kept in darkness for long periods of time. The phenomenon is reported by prisoners confined to dark cells and by others kept in darkness as well as; truck drivers, pilots and practitioners of intense meditation.