26Cats and dogs
Ancient Egyptians would shave off their eyebrows when their cats died and shave off all body hair (including their head) when their dog died to mourn until it grew back.
27. The idea of Catholic Monks/Nuns taking a "vow of silence" never existed. The concept is a misunderstanding of "Monastic Silence" which established rules for time and place when speaking in a monastery. There was never a rule which required perpetual silence.
28. Sushruta, the first known plastic surgeon specialized in rhinoplasty i.e. nose reconstruction. This was important in ancient India as convicted criminals and women accused of adultery had their noses amputated as a mark of untrustworthiness. Rhinoplasty offered them a chance to escape the stigma.
29. A shoelace knot gets untied while running due to the foot striking the ground at 7G. As the knot loosens, the swinging leg applies an inertial force on the free ends of the laces, which rapidly leads to a failure of the knot in as few as 2 strides after inertia acts on the laces.
30. Georgi Dimitrov was an influential Bulgarian antifascist communist. In 1933, he was arrested by Nazis following the Reichstag fire. He refused juridical counsel, and his defense and conduct became so famous a popular saying spread: “There is only one brave man in Germany, and he is a Bulgarian.”
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31Snoop Dogg
Snoop Dogg’s real name is Cordozar Calvin Broadus Jr. His “Snoop Dogg” nickname came from his mother who thought he looked like Snoopy from the Peanuts.
32. Aleen Cust was the first woman veterinary surgeon in the UK and Ireland. She practiced as a vet for 25 years before she was officially recognized by the RCVS (Royal College of Veterinary Surgeons). During this time, she owned her own practice and volunteered at the front lines of World War 2 treating horses.
33. The star-shaped base of the Statue of Liberty was originally a fort built to defend against the British.
34. In 2018, Microsoft lowered a datacenter underwater, approximately 117 meters deep into the seafloor. The datacenter was proven to be more reliable than the ones on land as it was isolated from humidity, temperature fluctuations, and human accidents.
35. Lois Gibson is a forensic artist whose sketches have led to the arrest of over 1,200 criminals. One of her sketches was the first ever used on America’s Most Wanted, and she’s known for her uncanny accuracy.
36Mary the Jewess
Mary the Jewess was one of the first alchemical writers, living between the 1st and 3rd centuries A.D. She is credited with the invention of several kinds of chemical apparatus and is considered to be the first true alchemist of the Western world.
37. An aerodynamic wind tunnel was installed at the base of the Eiffel tower in 1909. The tunnel was used to carryout out thousands of tests, including those on Wright Brothers airplanes and Porsche automobiles. The tower had a laboratory used by scientists to study meteorology, physiology.
38. Extract from citrus peels called limonene was once used as an experimental liquid rocket fuel. It blanketed the entire testing area with the smell of lemon oil whenever it was fired.
39. The movie “The Wolf of Wall Street” set a Guinness World Records record for most swearing in one film. The movie used the f-word 506 times with an average of 2.81 times per minute.
40. The Gruen Transfer is a psychological phenomenon where a person feels lost in a shopping mall, due to its intentionally complex layout. This layout is designed to deliberately make people buy more impulsively. This phenomenon is named after the Austrian architect, Victor Gruen.
