- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes.
- The summer solstice marks the first day of summer and the longest day of the year.
- The name of the popular search engine 'Google' came from a misspelling of the word 'googol', which is a very large number (the number one followed by one hundred zeros to be exact).
- New born babies have 350 bones (by age 5 the amount of bones merges to 206).
- 13 people die every year from vending machines.
- The color of a chile pepper is no indication of its heat (usually the smaller the the hotter).
- Sharks never stop moving even when they sleep or rest.
- An average person will spend 25 years asleep.
- The ice cream cone was introduced in 1904.
- It is not possible to tickle yourself.
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