- Only female mosquitoes bite.
- The diameter of Earth is 12,756 km (7,926 miles).
- The official state gem of Washington is petrified wood.
- Caterpillars have over 2,000 muscles.
- It takes an interaction of 72 muscles to produce human speech.
- Bananas contain no fat, cholesterol or sodium.
- Greyhounds can see better than any other dog breed.
- The pupils in goats' eyes are rectangular.
- Paper originated from China.
- There are 70 million sheep in New Zealand (with 4 million people).
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