- It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC, such as equations to approximate the area of circles..
- $30 of raw popcorn translates into $3,000 in sales at movie theaters.
- Wind doesn't make a sound until it blows against an object.
- The first toothbrush was invented in 1498.
- A giraffe can clean its ears with its 21 inch tongue.
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