- There are more stars in the sky than grains of sand on earth.
- Polar bears are strictly carnivores.
- Sharks can sense a drop of blood from 4km (2.5miles) away.
- The only thing that can scratch a diamond is a diamond.
- Christmas trees originated from Germany.
- There are exactly 1,048,576 bytes in 1 megabyte.
- The expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots).
- Rain contains vitamin B12.
- A giraffe can clean its ears with its 21 inch tongue.
- Born in France, Pierre de Fermat was an amateur mathematician who is best known for Fermat's Last Theorem.
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