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".
Doctors' sloppy handwriting kills more than 7,000 people annually in the United States.
Your heart beats 100,000 times a day.
You can survive being in outer space without permanent damage for about half a minute.