1. The Pledge of Allegiance was originally created as a marketing scheme to help sell more flags to public schools.
2. The employees at Disney parks aren't allowed to point with one finger, because it could be seen as a negative gesture by people from other countries. So they'll always point with two fingers.
3. Elephants only need two hours of sleep a day, which is the least of any mammal.
4. Some species of fish can identify other individual fish's levels of stress!
5. You Could Fit All the Other Planets in Our Solar System Between Earth and Our Moon.
