- Giraffes can't cough.
- The primary reason for growing rice in flooded paddies is to drown the weeds surrounding the young seedlings (rice can grow in well drained areas).
- To crack a whip the tip must be travelling faster than the speed of sound.
- In the 17th century Galileo Galilei and Johannes Kepler made important discoveries relating to planetary motion and orbits.
- Both green and black tea come from leaves of the same tree.
- Born in France, Pierre de Fermat was an amateur mathematician who is best known for Fermat's Last Theorem.
- A shrimp has 5 pairs of legs.
- The teeth of a viperfish are so sharp and long that if it closed its mouth with the teeth inside, it would pierce its brain.
- There are more stars in the sky than grains of sand on earth.
- The snow on Venus is metal.
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