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Today I learned
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Based on rss feed of reddit's r/todayilearned

TIL Upon losing his hearing, Beethoven devised a brilliant solution. By attaching a metal rod to his piano and clenching it between his teeth, he harnessed the vibrations in his jawbone, thus experiencing sound in a novel manner. This ingenious method is now recognized as bone conduction.

http://www.cnn.com/2014/05/29/tech/innovation/bone-conduction-get-used/index.html

https://www.reddit.com/r/todayilearned/comments/15irm0y/til_upon_losing_his_hearing_beethoven_devised_a/

TIL that in the common law of crime in England, a Common Scold was a troublesome and angry person who broke the public peace by habitually chastising, arguing and quarreling with their neighbors.

https://en.wikipedia.org/wiki/Common_scold

https://www.reddit.com/r/todayilearned/comments/15iosfy/til_that_in_the_common_law_of_crime_in_england_a/

TIL that some common oral contraceptives (birth-control pills) can be rendered ineffective if stored for an extended period of time above 30 degC (86 degF) - such as inside a hot car. They can also be degraded by storage in a cold place such as a home refrigerator or freezer.

https://naomedical.com/info/how-long-can-birth-control-be-in-the-heat.html

https://www.reddit.com/r/todayilearned/comments/15ins47/til_that_some_common_oral_contraceptives/

TIL the first picture of a human being taken was of a man in Paris in 1838 who had stopped to have his shoes shined and didn't move long enough to be captured in the 10 minute photo exposure time.

https://www.unjourdeplusaparis.com/en/paris-insolite/premiere-photo-etre-humain-paris-en-1838/amp

https://www.reddit.com/r/todayilearned/comments/15in8is/til_the_first_picture_of_a_human_being_taken_was/

TIL Whacking Day, a yearly event depicted in The Simpsons where the townspeople kill snakes, was a real event in Eastchester, New York from 1665 onwards. Records stated: "That one day every spring be chosen for the destroying of rattle snakes."

https://en.wikipedia.org/wiki/Whacking_Day#Reception

https://www.reddit.com/r/todayilearned/comments/15imj1k/til_whacking_day_a_yearly_event_depicted_in_the/

TIL about Sacoglossans, otherwise known as 'solar-powered sea slugs', that are incorporating living chloroplasts from their food source into their tissues to camouflage, otherwise called 'kleptoplasty'. And also that they're unique species apart of protists to do so.

https://en.wikipedia.org/wiki/Sacoglossa?wprov=sfla1

https://www.reddit.com/r/todayilearned/comments/15ik2v5/til_about_sacoglossans_otherwise_known_as/

TIL a Goldman Sachs report believes close to 300 million jobs will be lost to AI. It could replace a quarter of the workforce in US and Europe.

https://www.bbc.com/news/technology-65102150.amp

https://www.reddit.com/r/todayilearned/comments/15ijgws/til_a_goldman_sachs_report_believes_close_to_300/

TIL that one of the earliest examples of ASCII art appears in "Alice's Adventures in Wonderland" by Lewis Carroll (1865): Chapter III includes "A Long Tale" in the shape of a mouse's tail.

https://github.com/khrome/ascii-art-docs/blob/master/History.md

https://www.reddit.com/r/todayilearned/comments/15iip0r/til_that_one_of_the_earliest_examples_of_ascii/

TIL about William Dampier, a naturalist who used piracy as a means to explore the world. He was the first Englishman to explore parts of Australia, one of Charles Darwin's inspirations and introduced the words "barbecue", "avocado", "chopsticks", and "subspecies" into the English language.

https://en.wikipedia.org/wiki/William_Dampier?repost

https://www.reddit.com/r/todayilearned/comments/15iihjc/til_about_william_dampier_a_naturalist_who_used/

TIL of the Outcomes Paradox in schizophrenia — Patients treated for schizophrenia in some developing countries have better outcomes than patients treated for schizophrenia in developed nations.

https://www.nature.com/articles/508S14a

https://www.reddit.com/r/todayilearned/comments/15ii1e8/til_of_the_outcomes_paradox_in_schizophrenia/

TIL there was an attempted kidnapping of Princess Margaret in 1974 which was ultimately stopped by a passerby, Ronald Russell, who also happened to be a professional boxer. He punched the assailant and ended the attack.

https://www.smithsonianmag.com/history/bloody-attempt-kidnap-british-princess-180950202/

https://www.reddit.com/r/todayilearned/comments/15ihi5o/til_there_was_an_attempted_kidnapping_of_princess/

TIL Grover Cleveland is the only US president to have actually hung a man. Serving as Sheriff of Erie county, he hanged at least two convicted murderers.

https://en.wikipedia.org/wiki/Grover_Cleveland

https://www.reddit.com/r/todayilearned/comments/15ihcic/til_grover_cleveland_is_the_only_us_president_to/

TIL that brown rats were domesticated twice. First in Japan starting around 1654 and then a second time completely independently in Europe in the early 1800s.

https://academic.oup.com/af/article/11/3/78/6306454

https://www.reddit.com/r/todayilearned/comments/15ih0fj/til_that_brown_rats_were_domesticated_twice_first/