- The most commonly used word in English conversation is 'I'.
- To crack a whip the tip must be travelling faster than the speed of sound.
- Camel's milk doesn't curdle.
- Wind moves air from high to low pressure areas.
- 2 and 5 are the only prime numbers that end with a 2 or a 5.
- Albert Einstein never knew how to drive a car.
- An electric eel can release a charge powerful enough to start 50 cars.
- An arrow frog has enough poison to kill over 2,200 people.
- Elephants can run up to 40kmh (25mph).
- Most birds eat twice their body weight each day.
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