- It's possible to lead a cow up stairs but not down.
- Ostriches have a powerful immune system.
- The Olympic flag was designed in 1913.
- Minus 40C is exactly the same temperature as minus 40F.
- All hurricanes form over the sea and can last up to 10 days.
- Sir Isaac Newton was 23 when he discovered the law of gravity.
- Giraffes can't cough.
- Different names for the number 0 include zero, nought, naught, nil, zilch and zip.
- The most common injury in ten pin bowling is a sore thumb.
- When the moon is directly overhead, you weigh slightly less.
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