- All pilots on international flights identify themselves in English regardless of their country of origin.
- You have fewer muscles than a caterpillar.
- Oxygen supply influences the color of a fire's flame.
- There are 2.5 million times more ants on earth than people (20 quadrillion of them).
- Mathematical developments increased rapidly around the time of the Italian Renaissance in the 16th century and continued through the scientific revolution of the 17th and 18th centuries, becoming increasingly abstract in the 19th and 20th centuries.
- Hawaii officially became apart of the US in 1900.
- The $ sign was introduced in 1788.
- An average cumulus cloud weighs more than 70 adult T-Rexes.
- The Pacific Ocean is the world's largest.
- The most popular toothbrush color is blue.
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