- Wine is sold in tinted bottles because it spoils when exposed to light.
- You can tell the sex of a horse by its teeth (most males have 40, females 36).
- Fibonacci numbers are named after Italian mathematician Leonardo of Pisa (better known as Fibonacci) who introduced them to Western Europe after they had earlier been described by Indian mathematicians. They are related to the golden ratio and proceed in the following order: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, .... Can you see the pattern?.
- DVDs are physically the same size as a CDs but can store 13 times more data.
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