- 2 out of 5 people marry their first love.
- Warthogs live for 15 years.
- Heliophobia is the fear of sunlight.
- Commercial airplanes maintain a cabin pressure of about 6,400 feet (just over 1 mile) above sea level.
- Diamonds are the hardest substance known to man.
- A hippopotamus can run faster than a man.
- The number of times a cricket chirps in 15 seconds, plus 37, will give you the current air temperature.
- The air signs are Gemini, Libra, and Aquarius.
- 85% of plant life is found in the ocean.
- An electric eel can release a charge powerful enough to start 50 cars.
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