- Pressurized plane cabin air is the same average humidity of the Sahara Desert.
- The Empire State Building in New York weighs over 365,000 tons.
- Grapes explode when you put them in the microwave.
- Small dogs usually live longer than larger breeds.
- In the 17th century Galileo Galilei and Johannes Kepler made important discoveries relating to planetary motion and orbits.
- Flightless birds, like the penguin, could once fly.
- The word 'taxi' is spelled the same in English, German, French, Swedish, and Portuguese.
- All the people on Earth could fit into a 1 km cube.
- The teeth of a viperfish are so sharp and long that if it closed its mouth with the teeth inside, it would pierce its brain.
- Brontology is the study of thunder.
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