- There are 21.
- Your most sensitive finger is your index finger (closest to your thumb).
- Archimedes of Syracuse lived around the year 250 BC and played a large role in the history of geometry including a method for determining the volume of objects with irregular shapes.
- Toads only eat moving prey.
- The popsicle was invented in 1905 by an 11-year-old boy.
- Polar bears are strictly carnivores.
- Hypnotism is banned in public schools in San Diego (U.S.).
- Scorpions glow under ultra violet light.
- Yawns are contagious to dogs as well as humans.
- All pilots on international flights identify themselves in English regardless of their country of origin.
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