- The most abundant metal in the Earth's crust is aluminum.
- The fastest fish in the sea is the swordfish and can reach up to speeds of 108kph (68mph, 59knots).
- Over 500 meteorites hit the Earth each year.
- Hummingbirds are the only bird that can fly backwards.
- The average pool cue is 1.4m (4.75ft) long.
- The side of a hammer is called a cheek.
- The most common time for a wake up call is 7am.
- Every year the sun loses 360 million tons.
- A giraffe can go longer without water than a camel.
- The first city to mint its own gold coins was Florence, Italy in 1252.
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