TIL That Nicola Tesla invented and patented the first rotating speedometer. https://ift.tt/j3AiKYh

TIL of Mario Salcedo who, with a few exceptions, has been living permanently on Royal Carribbean cruise ships for over 20 years https://ift.tt/E6Y7ax4

TIL closed-cup white mushrooms, common in supermarkets, are all descended from one mutant Agaricus Bisporus (usually brown) mushroom found in 1925. https://ift.tt/RjQMlUp

TIL in the late 1990s, a Paraguayan girl emerged from a coma; when given a wish, she chose a trip to Ohio to see the Hayes Presidential Center. https://ift.tt/nma2R7o

TIL dolphins actually have names for one another, using a unique whistle to distinguish between different members within their pod. https://ift.tt/Rne9bIE

TIL an earth year had more days in the far past. scientists made this discovery after comparing corals/clams which have corresponding growth rings for each day. depending on the age, fossils record 400 to 420 days instead of our typical 365 a year. https://ift.tt/RdTKvh9

TIL of Sonya Thomas, a competitive eater. In 2005, she held 22 world titles at a bodyweight of 99 lbs. and defeated elite male and female competitors twice her size or more. https://ift.tt/wdmfXPE

TIL the eruption of Mt. Vesuvius in 79 CE was so hot it turned one victim’s brain into glass https://ift.tt/ueIGS0A

TIL the ice cream that Dairy Queen uses isn't considered ice cream by the FDA. They classify it as 'ice milk' instead because the milk fat content in Dairy Queen soft serve is less than what regular ice cream has. https://ift.tt/JYcinR6

TIL the "tank" was named by the British military during WWI to make the enemy think they were developing a kind of water carrier instead of a secret new weapon. https://ift.tt/FPrTjJ2

TIL over 30% of the US population lives in four states: California, Texas, Florida, New York. https://ift.tt/yenmRhp

TIL about Grey Owl. A famous indigenous Canadian conservationist during the 1930s. When he died, it was revealed that he wasn't actually First Nations at all - instead he was a British immigrant that was putting on an act. https://ift.tt/TuWrvGy

TIL there are wasps that will paralyze lady bugs with a virus and then put a cocoon of its larvae between the ladybug's legs. The larvae emerge and intentionally only eat non-vital organs/parts. About 25% of the hosts regain control of their body afterwards https://ift.tt/7C0l8Uv

TIL The Myers-Briggs Test Is Absolute Nonsense https://ift.tt/rJexoGN

TIL that, in 1960, Chicago Mayor Richard J. Daley gave Prince Akihito of Japan bluegill fish to be bred in Japan for food. They escaped captivity and are now an invasive species in Japan. https://ift.tt/wJyK4ef

TIL while the fear that technological unemployment inevitably generates structural unemployment is known as the ‘Luddite Fallacy’, the Luddites themselves were actually put out of their jobs by new tech, and were brutally crushed when they revolted https://ift.tt/78Jjqzb

TIL Measured by its longevity and popularity, the Cessna 172 is the most successful aircraft in history. First produced in 1956, more than 44,000 had been made as of 2015. It holds the world record for the longest manned non-stop flight of 65 days, set in 1959. https://ift.tt/DmxMOYw

TIL that at one point in early 1913, Joseph Stalin, Adolf Hitler, Leon Trotsky, Josep "Tito" Broz, Sigmund Freud, Alban Ferg, Carl Jung, and Ludwig and Paul Wittgenstein were all in Vienna at the exact same time. https://ift.tt/mbHSd9A

TIL JFK experienced chronic back pain. He underwent 4 back operations, including a discectomy, an instrumentation and fusion, and 2 minor surgeries that failed to improve his pain. https://ift.tt/qrlKbUi

TIL that the most powerful supercomputer in the year 2000 (the IBM ASCI White) cost the 2022 equivalent of $189 million and ran at 7.226 teraflops. The 32-Core variant of the Macbook Pro in 2022 costs $3,499 and has a peak performance of 10.4 teraflops. https://ift.tt/jh23CwL

TIL about Odette Sansom Hallowes. An SOE agent during WWII, she was captured by the Gestapo, interrogated, tortured, and sentenced to death twice. She survived the war and was the first woman to be awarded the UK’s George Cross. In 1951 her GC was stolen, but later returned with an apology note. https://ift.tt/KAnzI4O