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TIL Sleep deprivation impairs the suppression of unwanted thoughts

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0dgnj TIL that when J.J. Benjamin traveled in Persia circa 1851, he noted Persian Jews were not permitted to leave their houses when it rained, “for it is said the rain would wash dirt off them, which would sully the feet of the Mussulmans.”
E1MOo TIL that blood donors in Sweden get a text message thanking them for their donation each time their blood is given to a patient. The program was started in an attempt to recruit and retain new donors.
0wm8p Today I Learned henna Indian wedding.henna tradition
v10dx TIL that French queen Marie Antoinette was offered in 1787 a boy from Senegal as a servant but instead taking him as servant she adopted him as her son and baptized as Jean. During the revolution Jean was separated from the royal family and left by revolutionaries to die on streets at age of 10.
R5WwQ TIL there is a serial cat shaver in the UK. Apparently resurfaces every couple of years! I would like to learn more..