- Peanut butter can be converted into diamonds.
- There is 200 times more gold in the world's oceans than has been mined.
- The Hawaiian alphabet has only 12 letters.
- Penguins mate for life and both parents care for their young.
- Some fish cough. Really.
- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14).
- A group of whales is called a pod.
- Some dinosaurs had tails over 13m (45 feet) long.
- Octopuses think with their tentacles.
- The most common mental illnesses are anxiety and depression.
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