- The croissant was invented in Austria.
- A dolphins top speed is 60kmh (37mph).
- Natural gas has no smell (the odor is artificially added so that people are able to identify leaks).
- For every human there are 200 million insects.
- 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..
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