Planets "emit sounds" by pulsing with radio waves, which can be picked up by radio antennae. The Earth's noise is sometimes referred to as Earth's "chorus" because it sounds a bit like birds chirping.
27. Every known prime number above 3 is one more or less than a multiple of 6 (6n±1).
28. When PepsiCo entered India, the Indian government stipulated part of its local profits be used to purchase tomatoes. This requirement worked for PepsiCo, which also owned Pizza Hut at the time.
29. Mikhail Gorbachev, the last leader of the Soviet Union, starred in a Pizza Hut commercial.
30. Casey Neistat (American YouTuber) was commissioned by Nike to make a commercial with the theme "Make it Count". He took the budget and spent it on a spontaneous and fun trip for himself and a friend, filming himself running at each destination. Nike was pleased with the end result.
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Fiat produced a car (Fiat S76) in 1911 that did 180 mph (290 kph).
32. John Krasinski (Jim from The Office-US) shot the Scranton footage in the show's opening credits sequence on a research trip as he and his friends drove through the city.
33. Microbiologist Raul Cano successfully revived yeast that had been stuck in amber for 25 million years. He then co-founded a brewery that uses the same 45 million-year-old species of yeast to brew beer.
34. When the Lenni Lenape Indians agreed to give the amount of land that a man could walk in 36 hours to Pennsylvania, the governor hired a team of fast runners, resulting in Pennsylvania taking an area of 1,200,932 acres.
35. Jack Lucas joined the Marines at 13 to fight in World War 2, survived a blast after jumping on two grenades to save his team, and later survived a free fall from an airplane after both of his parachutes failed.
The word Ignorant is describing a person in the state of being unaware and is often (incorrectly) used to describe individuals who deliberately ignore or disregard the information.
37. Philippe Petit, then a 24-year-old French high-wire artist, illegally high-wire walked between the Twin Towers 8 times over 45 minutes in 1974. Charges were dropped after he performed for kids in Central Park.
38. Beethoven was once challenged to an improvisation contest by a famous pianist named Daniel Steibelt. Beethoven took the piece Steibelt's music was written on, turned it upside down, played it, then improvised on that and mocked Daniel through his own music. Daniel left halfway through.
39. The origin of the word "decimate" as we use it today came from the Roman military practice of punishing groups of soldiers by executing every 10th man.
40. In 2006, the makers of Listerine sued the makers of Crest for saying that four out of five dentists recommended Crest mouthwash. They claimed that the 269 dentists surveyed were each paid $75 for participating.
The "Byzantine Empire" is a historiographical term "created after the end of the realm; its citizens continued to refer to their empire as the Roman Empire".
42. The first stapler was made in the 18th-century for King Louis XV and each staple was inscribed with the insignia of the royal court.
43. In 2015, California highway patrol Officer Norem responded to a call about a suicidal man trying to jump over the overpass fence into the traffic below. Noren grabbed the guy's leg and refused to let him go - even when the suicidal man took out a knife and stabbed Norem several times. He still held on until help arrived.
44. It was illegal for black people to move to Oregon until 1926.
45. As a commander in the Navy, L. Ron Hubbard was relieved of command after shelling an island that he thought belonged to the US and was unoccupied. It was a Coronado island south of San Diego in Mexican waters and home to several members of the Mexican Coast Guard.
Holding in farts can be dangerous and lead to diverticulitis (An inflammation or infection in one or more small pouches in the digestive tract).
47. During the My Lai Massacre, a company of American soldiers killed over 500 civilians of My Lai on March 16, 1968. The incident was covered up for over a year and only one man was convicted.
48. There is a statistically significant increase in fatal car accidents in the days after daylight savings time, presumably due to disruption in sleep patterns.