- The first city to mint its own gold coins was Florence, Italy in 1252.
- Frogs can't swallow with their eyes open.
- The Arctic Ocean is the smallest in the world.
- There are over 100,000 different species of butterflies.
- Wooly mammoths grew as tall as 14 feet, weighing 10 tons. Mammoths used tusks for protection and to attract mates.
- 53% of women don't leave home without makeup on.
- The ancient Greeks first grew carrots as a form of medicine and not a food.
- Every ton of recycled paper saves about 17 trees.
- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
- The winter of 1932 was so cold that Niagara Falls froze over completely.
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