- The Nile river flows North.
- A jiffy is an actual time measurement equaling 1/100th of a second.
- The hottest chile in the world is the habanero.
- Fish can cough.
- The human eye blinks over 4,200,000 times a year.
- It is not possible to tickle yourself.
- The grapefruit gets its name from the way it grows in clusters like grapes on a vine.
- Humans can encourage precipitation with cloud seeding.
- Dark green lettuce leaves are more nutritious than lighter ones.
- Australia has the largest sheep population.
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