- Spiders are arachnids and not insects.
- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things.
- A male kangaroo is called a Boomer.
- No rain fell in Iquique, Chile, for 14 years.
- Large rain drops can fall at speeds of 20 mph.
- The longest street in the world is Yonge street in Toronto Canada measuring 1,896 km (1,178 miles).
- The Earth experiences over 50,000 earthquakes a year.
- Squirrels can climb trees faster than they can run on the ground.
- A garfish has green bones.
- Instant coffee was invented in 1901.
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