- Over 500 meteorites hit the Earth each year.
- Horses sleep standing up.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- 45,000 thunderstorms around the world occur every day.
- Before 1850 golf balls were made of leather and were stuffed with feathers.
- There are over 1,600 known species of starfishes.
- The skeleton of an African elephant accounts for about 15% of its body weight.
- The chicken is the closest living relative of Tyrannosaurus Rex.
- Some playing cards in India are round.
- Every year over 98% of atoms in your body are replaced.
|