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TIL that there is a mutation of the gene CCR5, called Delta 32, which introduces a premature stop codon into the gene. This premature codon means cells that have this mutation can’t receive the HIV virus. Individuals with a homozygous CCR5-Delta 32 mutation are completely resistant to the HIV virus.

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R5MK1 TIL Texas and California have bigger GDPs (2022) than most counties ranked by GDP. California's massive 3.6 trillion GDP and Texas's similarly massive 2.4 trillion GDP puts them at rank 4th and 6th respectively among other countries in the world.
A4Jd TIL when AC/DC was accused of backmasking Satanic messages in “Highway To Hell”, guitarist Angus Young said “you didn’t need to play [the album] backwards, because we never hid [the messages]. We’d call an album Highway To Hell, there it was right in front of them.”
VLwm TIL that Hitler, after a total war economy was instituted in 1943, had the women’s cosmetics industry gradually closed down rather than banned outright to avoid upsetting Eva Braun.
bv80 TIL Jacob Appelbaum, a man who has been repeatedly targeted by US law enforcement agencies for his work with Wikileaks, was once detained by US Customs; they searched him for phones or laptops but found only flash drives with The Bill of Rights encoded in them. They were unable to copy them.
neprB TIL the first operation in history where the long-distance radio-controlled explosions were used for military purposes was when Red Army blew up the historic center of Kiev in September 1941. Together with civilians