Researchers have found that swearing when in pain may release pain-killing endorphins.
Agatha Christie said she came up with many of her book plots while sitting in her bathtub while eating apples.
Following the release of Rocky IV, a joke was making rounds in Hollywood. Since Rocky had run out of opponents, he would have to fight an alien if a fifth movie was made. Jim and John Thomas took the joke seriously and wrote a screenplay based on it, which later became the movie "Predator".