- There are over 225,000 trees in New York's Central Park.
- Mercury and Venus are the only planets in our solar system with no moon.
- The US flag has 13 stripes (representing the original 13 states).
- Fish can cough.
- The world's most expensive spice is saffron.
- Your brain uses 10 watts of energy to think and does not feel pain.
- Ostrich meat is the leanest of all red meats.
- That you burn more calories eating celery than it contains (the more you eat the thinner you become).
- A blue whale can weigh as much as 30 elephants and as long as 3 large tour buses.
- Your mouth produces 1 litre of saliva a day.
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