- Ocean algae produces about 75 percent of the world's oxygen.
- 40% of Amsterdam commuters get to work by bicycle.
- Fresh apples float because they contain 25% air.
- Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
- A group of rhinos is called a crash.
- The Hawaiian alphabet has 13 letters.
- Less than 3% of the water on Earth is fresh.
- You have fewer muscles than a caterpillar.
- German mathematician Gottfried Leibniz lived between 1646 and 1716, developing important calculus concepts and mathematical notation practices.
- There is a museum of strawberries in Belgium.
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