- When the moon is directly overhead, you weigh slightly less.
- The life span of a house fly is between 10 to 25 days.
- Snakes eat their body weight in one year.
- The first human-made object to break the sound barrier was a whip.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- A bolt of lightning can reach temperatures hotter than the sun.
- Crocodiles are colour blind.
- The first vacuum was so large, it was brought to a house with horses.
- You can tell the sex of a horse by its teeth (most males have 40, females 36).
- Gorillas burp when they are happy.
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