- Dolphin's can detect underwater sounds from 24 km (15 miles) away.
- You have to eat 5kg (11lb) of potatoes to put on .5kg (1lb) of weight (a potato has no more calories than an apple).
- Different names for the number 0 include zero, nought, naught, nil, zilch and zip.
- New York's Central Park was opened in 1876.
- India has over 50 million monkeys.
- A squid has 10 tentacles.
- Your skin is the largest organ making up the human body.
- The 'you are here' arrow on maps is called an ideo locator.
- Human eyes have over two million working parts.
- Pearls melt in vinegar.
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