r/todayilearned

: "Til that Nickelodeon almost cancelled Hey Arnold’s Christmas episode because they thought kids wouldn't care about its portrayal of the Vietnam War. An executive revoked the decision when her nine-year-old son saw a rough cut of the episode and asked 'Mom, is that what Vietnam was all about?'."

: "TIL that powered flight has independently evolved four times in History: in bats, birds, pterosaurs, and insects. "

: "TIL Michael Keaton's real name is Michael Douglas. When he moved to Los Angeles, there was already an actor named Michael Douglas, so Keaton flipped through a phone book until he saw the name Keaton and decided to make it his stage name."

: "TIL Michael Keaton's real name is Michael Douglas. When he moved to Los Angeles, there was already an actor named Michael Douglas, so Keaton flipped through a phone book until he saw the name Keaton and decided to make it his stage name."

: "Til That in 1933, a man named A.L. Kahn caught a massive 20-foot, 5,000-pound manta ray off the coast of New Jersey. It took hours, the help of his crew, and even several dozen gunshots from the U.S. Coast Guard to finally reel in what was called a "devil fish.""

: "TIL when a crow die, other crows gather to investigate about what has happened and why the crow died"

: "TIL That China traditionally named their children 100 days after birth. During that time they had a "Milk Name". It was usually either a diminuative, or something gross to keep evil spirits away from the child. It sometimes sticks around as a nickname. Today they have one month to name the child."