- Sponges hold more cold water than hot.
- Hippopotamuses have killed more people in Africa than any other animal.
- Flightless birds, like the penguin, could once fly.
- House cats have 18 claws.
- Mangos are related to cashews and pistachios.
- Elephants can run up to 40kmh (25mph).
- Salt used to be a currency.
- Moths have white blood.
- Canada has more doughnut shops per capita than any other country.
- To crack a whip the tip must be travelling faster than the speed of sound.
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