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TIL a drug exists that has been shown to prevent HIV infection at a 92% success rate for gay men and a 70% success rate for intravenous drug users, but less than 1% of at-risk people currently take the drug and only 1/3 of primary care doctors have even heard of it.

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awwZ9 TIL of the quietest place on earth is an anechoic chamber at Orfield Laboratories, where one can sit in complete darkness and silence: producing hallucinogenic feelings like hearing your body’s internal sounds, including heartbeat, and having a heightened self awareness.
AD6vn TIL In 1608, English writer Thomas Coryat wrote a book detailing his five months’ travel through Europe in which he described, among other things, use of the table fork as an eating utensil. He also introduced “umbrella” into English after noticing Italians shielding themselves from the sun.
awjny TIL that KaiOS is the third biggest mobile operating system in the world, holding 9% of the market OS'
R0A6 TIL there is a species of deer in Germany who won’t cross the border where the Iron Curtain once stood, even though that border has been gone physically for 20 years.
vPVZL TIL that when Will Smith was 12 his grandmother found his notebook of rap lyrics with curse words and wrote a note in it telling Will that truly smart people do not have to curse when expressing themselves. As a result he resolved not to use profanity in his music.