- The most popular toothbrush color is blue.
- The Sun has a diameter of 1,390,176km (864,000miles).
- Penguins are only found in the southern hemisphere primarily in Antarctica (excluding zoos above the equator).
- Greyhounds can reach speeds of up to 67kph (42mph).
- The world's first paved streets were laid in Rome in 170 B.C..
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