- Your fingernails grow faster when you are cold.
- Kangaroos cannot jump without their tails touching the ground.
- The $ sign was introduced in 1788.
- Heat, not sunlight, ripens tomatoes.
- Antarctica is home to the largest desert in the world.
- Asparagus can grow up to 7 inches in a day.
- Ostrich meat is the leanest of all red meats.
- In the 17th century Galileo Galilei and Johannes Kepler made important discoveries relating to planetary motion and orbits.
- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes.
- It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC, such as equations to approximate the area of circles.
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