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TIL that Brazil nuts have an elevated amount of selenium (68-91 mcg per nut), and having too many of them can cause the body selenium to increase above the acceptable limit. Extremely high levels of Brazil nuts can cause a condition known as selenosis, which is even characterized by heart attacks.

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QJrZL TIL The word sepia comes from the Mediterranean Cuttlefish, a type of squid whose dark brown ink was used by classical civilizations. The name of this squid thereafter comes from the Greek ''sepein'' meaning: to rot. Most likely from the way the fish dirties the waters with its ink.
Eb4d TIL in 2007, India introduced a “zero rupee note” as a means of fighting political corruption. The notes are “paid” in protest by citizens to govt functionaries who solicit bribes in return for services which are supposed to be free
J17M1 TIL the US, didn't switch to the Gregorian calendar until 1752. By that time, the difference between their calendar and Gregorian had accumulated to 11 days. To adjust for this difference, September 2, 1752, was followed by September 14, 1752, effectively omitting 11 days.
yQPaM TIL the title of Frasier's Theme Song (Tossed Salads and Scrambled Eggs) was because "these were things that were 'mixed up' … like Frasier Crane's patients."
1aWAW TIL that serial killer in New Orleans sent letter to the newspapers that on the night of March 19 he would kill again, but would spare any place where jazz band was playing. That night New Orleans' dance halls were fully filled, including many jazz house parties. There were no murders that night