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TIL that the Ganges river receives around 19 billion gallons (72 billion liters) of sewage a day, most of which is untreated.

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nW4A9 TIL about the Index Thomisticus, a 34 year long project beginning in 1946 to make a machine readable concordance of the works of Thomas Aquinas, that required manually recording 10,631,980 Latin words onto punched cards and took a total of 1 million hours of human work to complete
mxrGO TIL that Rodney Dangerfield wrote a romance novel called La Contessa, that features his own face on the cover, and that he narrates himself.
QNj6k TIL From 1897-1903 Imperial Germany constructed plans to invade the United States to sever its growing economic and political connections in the Pacific Ocean, the Caribbean, and South America. Hints of the German plans were first found by scholar Alfred Vagts in the 1930s and published in 1940.
jDkR TIL approximately 25% of all black swan pairings are between homosexual males. Some couples are so eager for cygnets that “They steal nests, or form temporary threesomes with females to obtain eggs, driving away the female after she lays the eggs”.
QNkxe TIL there's a type of rainbow that's flat called a 'firebow'