- A humming bird flaps its wings up to 90 times a second (5,400 times a minute).
- Hippopotamus milk is pink.
- A lions feed once every 3 to 4 days.
- Camel's milk doesn't curdle.
- Flushable toilets were in use in ancient Rome.
- Wind moves air from high to low pressure areas.
- Chalk is made from tiny plankton fossils.
- Cows do not have upper front teeth.
- To crack a whip the tip must be travelling faster than the speed of sound.
- Britain was the first country to use postage stamps.
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