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

TIL before people had an understanding of electricity, electricians were entertainers that would wow crowds with tricks and levitating feathers

https://youtu.be/hVu844ZcCdU

https://www.reddit.com/r/todayilearned/comments/15p087f/til_before_people_had_an_understanding_of/

TIL the US is accused of using bio weapons against the Chinese and North Koreans in the Korean War. Chinese troops started getting infected with Cholera, Smallpox, Bubonic Plague and Meningitis between January and March 1952

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

https://www.reddit.com/r/todayilearned/comments/15oyzs7/til_the_us_is_accused_of_using_bio_weapons/

TIL Tupac Shakur and Jim Carrey were close friends. Tupac was a big fan of Jim Carrey's acting and formed a friendship. It was strong enough where Jim Carrey would frequently write to Tupac during his incarceration. The photo of them walking together seems like they enjoyed each other's company.

https://hiphophero.com/inside-jim-carreys-friendship-with-tupac-mon/

https://www.reddit.com/r/todayilearned/comments/15oypqn/til_tupac_shakur_and_jim_carrey_were_close/

TIL that an annual supply of bottled water for a person who consumes 8 glasses a day would cost approximately $200; the same amount of tap water would cost approximately $0.33.

https://en.wikipedia.org/wiki/Bottled_water#Pricing%5C

https://www.reddit.com/r/todayilearned/comments/15oxpz5/til_that_an_annual_supply_of_bottled_water_for_a/

TIL that Billy West, who does the voice of Philip J. Fry's on Futurama among other characters, intentionally made Fry's voice close to his natural voice as a job security measure because it would be more difficult to replace him.

https://www.thematthewaaronshow.com/ep-114-billy-west/%5C

https://www.reddit.com/r/todayilearned/comments/15owhaz/til_that_billy_west_who_does_the_voice_of_philip/

TIL that eight years after JFK’s assassination, Jackie Kennedy avoided the public unveiling of their White House portraits, but the Nixons graciously agreed to a secret, private tour for her and her kids. It was her only return visit.

https://www.whitehousehistory.org/a-secret-visit

https://www.reddit.com/r/todayilearned/comments/15owchi/til_that_eight_years_after_jfks_assassination/

TIL Oenothera drummondii (beach evening primrose) flowers respond to the specific frequency of flying bee sounds by producing sweeter nectar within 3 minutes

https://onlinelibrary.wiley.com/doi/full/10.1111/ele.13331

https://www.reddit.com/r/todayilearned/comments/15ovnqc/til_oenothera_drummondii_beach_evening_primrose/

TIL about mail jumping, which is a way of delivering mail by jumping off a moving boat to a dock, putting mail into a mailbox, retrieving the outgoing mail, and then jumping back onto the moving boat. The USPS uses this method to deliver mail to houses on Geneva Lake from June 15 until September 15.

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

https://www.reddit.com/r/todayilearned/comments/15ov8mm/til_about_mail_jumping_which_is_a_way_of/

TIL there are thousands of miles of cables at the bottom of the ocean that link between continents to provide telephone, internet and private data traffic

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

https://www.reddit.com/r/todayilearned/comments/15otjp6/til_there_are_thousands_of_miles_of_cables_at_the/

TIL that Mel Brooks was the (uncredited) producer of David Lynch's film _The Elephant Man. He witheld his name from the credits because he did not want audiences to expect a comedy.

https://en.wikipedia.org/wiki/The_Elephant_Man_%28film%29?wprov=sfla1

https://www.reddit.com/r/todayilearned/comments/15osxft/til_that_mel_brooks_was_the_uncredited_producer/

TIL Flowers, pinecones, shells, fruits, hurricanes and even spiral galaxies, all exhibit the Fibonacci sequence. Every number in the sequence is generated by adding together the two previous numbers. 1, 1, 2, 3, 5, 8, 13, 21…etc

https://www.sciencefocus.com/science/what-is-the-fibonacci-sequence

https://www.reddit.com/r/todayilearned/comments/15osw52/til_flowers_pinecones_shells_fruits_hurricanes/

TIL in 1981, Neil Armstrong denied MTV’s request to use his likeness and “One small step” quote as part of its Moonman station identification opening sequence. The part was modified with background music and a series of beeps.

https://airandspace.si.edu/stories/editorial/meet-moonman

https://www.reddit.com/r/todayilearned/comments/15osog6/til_in_1981_neil_armstrong_denied_mtvs_request_to/

TIL Comedian Jerry Seinfeld’s cousin Evan Seinfeld is a member of the hardcore band Biohazard and is a pornographic actor who was married to Tera Patrick.

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

https://www.reddit.com/r/todayilearned/comments/15ortzj/til_comedian_jerry_seinfelds_cousin_evan_seinfeld/

TIL that the oldest dynastic house in Europe is the House of Wettin. King Charles III is a Wettin, by fact of being a distant descendant of Theodoric I or Dietrich I, who lived between 920-975 C.E.

https://en.wikipedia.org/wiki/House_of_Wettin?wprov=sfti1

https://www.reddit.com/r/todayilearned/comments/15oqtts/til_that_the_oldest_dynastic_house_in_europe_is/