26Spitfire IMAX Dunkirk
Christopher Nolan actually had IMAX cameras strapped to three Spitfire planes for the dogfight scenes in ‘Dunkirk.’ There are only a few dozen airworthy Spitfires left in the world and the three used in the film had no trouble performing complex maneuvers with the cameras mounted on them.
27. In the 18th and the 19th century, squirrels were one of the most popular pets in America.
28. There is a man named Stephen Davies in England who makes prosthetics for children in his home shed for free.
29. In 1856, a schoolmaster after warning his students not to harm his tamed sparrow, strangled a student after class because the student stepped on it. The schoolmaster was later shot dead by the student's father.
30. The Phantom Time Hypothesis states that 297 years of history (614-911 A.D.) was completely made up and that we actually live in the 1700s.
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The Yaghan people adapted to their very cold climate by having significantly higher metabolisms than other humans (average body temperatures 1 degree warmer than Europeans). They routinely went bare naked in the frigid cold of the far southern region of Tierra del Fuego, Argentina.
32. The songwriter behind Meat Loaf's 'Bat Out of Hell' also wrote Bonnie Tyler's 'Total Eclipse of My Heart' and Celine Dion's 'It’s All Coming Back to Me Now'.
33. When Christopher Walken was 16 he worked as a lion tamer in the circus. He would often perform with a lioness named Sheba.
34. Infinite sets are not all created equal, however. There are actually many different sizes or levels of infinity. Some infinite sets are vastly larger than other infinite sets.
35. Vietnam has their own version of Bigfoot. The creature is called a Batutut and various tribes have claimed to have captured living specimens but without evidence to show. During the Vietnam War, U.S. servicemen reported seeing the creatures which they dubbed "Rock Apes".
1/5th of the world's surface freshwater is contained within a single lake (Lake Baikal) in Siberia.
37. Both Thompson father and son won the Nobel Prize separately for their work on the electron and its wave/particle duality. J.J. Thompson won it in 1906 for showing that the electron is a particle and his son George Paget Thomson won it in 1937 for showing that the electron also behaves like a wave.
38. Former Spanish hurdler Maria José Martínez Patiño was barred from the Olympic team for failing the gender test. Her testes were hidden in her labia.
39. In 2011, when Jeopardy!'s 74-game champion Ken Jennings lost in an exhibition match against IBM's Watson AI program, he wrote under his final response "I for one welcome our new computer overlords".
40. Peoria, Illinois was a test market for new shows in the early 20th century, due to their broad demographic. This gave rise to the phrase "Will it play in Peoria?"