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653

TIL it is illegal for US citizens and corporations to boycott Israel.

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rk4M TIL that in 1258 the Mongols destroyed Baghdad. Survivors said that “the waters of the Tigris ran black with ink from the enormous quantities of books flung into the river and red from the blood of the scientists and philosophers killed.” The siege marked the end of the Islamic Golden Age.
e0mob TIL Upton Sinclair's novel "The Jungle" was never about the meatpacking industry. Sinclair intended it as a "breaking of human hearts by a system which exploits the labor of men and women for profit".
bQL7 TIL of Li-Fi, a potential replacement for Wi-Fi that has reached transmission speeds of up to 200 gigabits per second.
LQBVv TIL that we will probably never discover many highly specialized dinosaur species because they lived in environments where they could not be preserved due to erosion, e.g. mountains
vlw7 TIL The reason Popeye eats spinach is because of an error in the calculation of its iron content by chemist Erich von Wolf in 1870. He misplaced a decimal point, recording iron as having 35mg of iron per 100g, instead of its true value of 3.5mg/100g. The former is equal to eating part of a paperclip