The ozone layer is healing and a full recovery is expected by the year 2050-2060.
27. In 1971, Pink Floyd played a show in London that was so loud it killed all the fish in a lake 100 yards away.
28. Maria Sharapova's on-court grunt has been recorded at a volume of 101 decibels. That's louder than a motorcycle, a lawnmower, and a small aircraft. In fact, it's only 5 decibels less than a lion's roar.
29. Henry Ford used his personal newspaper, The Dearborn Independent, to argue that "the Jew" had caused World War 1. He placed these newspapers in every new Model T automobile.
30. The Black War was a period of violent conflict between British colonists and Aboriginal Australians in Tasmania from the 1820s to 1832. A bounty of ₤5 was paid for every captured Aboriginal and ₤2 per child. Historians debate whether the war should be defined as an act of genocide.
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Long-time professional baseball pitcher Satchel Paige, who debuted in the MLB at the age of 42, would sometimes instruct his infielders to sit down behind him, and then he would strike out the next three batters.
32. In 1952, President Truman gave the first televised tour of the White House. He explained its history, stopped in front of paintings and furniture to tell stories, and even played the Steinway piano in the East Room.
33. Ronald McDonald was required to tell children that McDonald's hamburgers grew in a magic hamburger patch and were picked whole so children weren't upset about cows dying.
34. Scientists have created a microparticle filled with oxygen that can be injected into the bloodstream, enabling users to stay alive without breathing.
35. The Southern American folk song, "Come By Here", when recorded by academics, was misheard, and was retitled, "Kumbaya".
Alzheimer's can't be "officially" diagnosed until after death. They have to confirm the diagnosis with an autopsy. So essentially they say a person has "dementia." The proteins involved still can't be detected without the autopsy. Today new methods can diagnose it with a 90% accuracy rate though.
37. It is estimated that a boy born to Samoan parents is 56 times more likely to get into the NFL than any other kid in America.
38. A jellyfish expert named Ferdinando Boero was also a fan of Frank Zappa. He reached out to Zappa asking if he'd be ok with a jellyfish named in his honor, to which Zappa replied saying “there is nothing I would like better than having a jellyfish with my name.” So it was named Phialella zappai.
39. Steven Spielberg didn’t want to direct Indiana Jones because it was planned to be a trilogy and he didn’t want to write 2 more scripts. George Lucas told him not to worry as he had already written them, but when the time came for the first sequel, Lucas revealed he had written nothing for either sequel.
40. Anxious/scared cats can be calmed with a technique called “Slow Blink”. It shows you as a more trusting person and is more likely to calm the cat. Animal shelters use the technique to help nervous cats feel more at ease.
Rodney King died on Father’s Day in 2012 by drowning in a swimming pool. This was 28 years after his father died, also on Father’s Day, and also by drowning.
42. King Louis IX also known as 'Saint Louis' made gambling, loans, and prostitution illegal. He also introduced innocently until proven guilty, banned trials by ordeal, created the military police and bailiffs.
43. Aladdin animator Randy Cartwright described working on the Magic Carpet as challenging since it is only a rectangular shape, that expresses itself through pantomime. Cartwright kept folding a piece of cloth while animating to see how to position the Carpet.
44. The Soviet AA-2 Atoll missile (K-13) was reverse engineered from a US-AIM-9 Sidewinder after it became lodged in a Chinese MiG-17 without exploding. The lead Soviet engineer at Vympel said the missile was a "university offering a course in missile construction technology."