- The numerical digits we use today such as 1, 2 and 3 are based on the Hindu-Arabic numeral system developed over 1000 years ago.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- Each time you see a full moon you always see the same side.
- The largest island in the Mediterranean sea is Sicily.
- The first human-made object to break the sound barrier was a whip.
- The 'black box' that houses an airplanes voice recorder is actually orange so it can be more easily detected amid the debris of a plane crash.
- There are over 900 species of bats.
- The average raindrop takes 2 minutes to hit the ground.
- American's eat 18 billion hot dogs a year.
- A connected bunch of bananas is called a hand and individual bananas are called fingers.
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