- 32% of all land in the U.S. is owned by the government.
- The moon is 27% the size of the Earth.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- Caterpillars have over 2,000 muscles.
- Elephants can smell water from miles away.
- In the 17th century Galileo Galilei and Johannes Kepler made important discoveries relating to planetary motion and orbits.
- Your big toe only has 2 bones and the rest have 3.
- You can't tickle yourself.
- There are over 2,500 different types of mushrooms.
- Sharks have been on Earth for over 400 million years.
|
reload more facts