- Crocodiles continually grow new sets of teeth to replace old ones.
- In 1642 French mathematician Blaise Pascal invented the mechanical calculator.
- Australia has the largest sheep population.
- Greeks constructed aesthetically pleasing buildings and artworks based on the golden ratio of approximately 1.618.
- Pinocchio is Italian for 'pine head'.
- Horses sleep standing up.
- Natural gas has no smell (the odor is artificially added so that people are able to identify leaks).
- Jellyfish don't have brains.
- The familiar smell of rain is called petrichor.
- Maine produces more wild blueberries than anywhere else in the world.
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