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TIL Penn Jillette from Penn & Teller has a patent for "Jill-Jet" a hot-tub jet specially angled for allowing women to masturbate against the water stream. The idea was inspired by a conversation with the lead singer of Blondie, whilst in a hot tub.

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78xZX TIL that the term "Middle East" was invented by the British in the 1850s then popularized by the US naval strategist Alfred Thayer Mahan in 1902. The term was used to describe the region between Egypt and India, two areas Britain colonized. Before then, the term "Near East" was used.
9LwM TIL The term “Sweet Death” refers to dying of hypothermia, because you feel an innocent desire to lie down and sleep. A certain feeling of wellness overcomes you. And with a sardonic ‘Mona Lisa’ smile on your face, you die.
69X77 TIL that Nike created a pair of shoes that were so advanced, they were banned from the Olympics because they were considered as technological doping.The Alphaflys, or “the shoe that broke running”, as sports scientist Dr Ross Tuckercalled them, contain tech designed to deliver greater energy return
dNMB 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.
pPaG TIL the reason airplane bathrooms still have ashtrays is because of an FAA decision that some people will still smoke on an airplane even though it’s not allowed, and when they do there needs to be a safe place to put their cigarette butt.