- The meaning of 'Blue Chip' comes from blue casino chips which have a high value.
- Polar bears can smell a seal from 20 miles away.
- The 'you are here' arrow on maps is called an ideo locator.
- Emus can't walk backwards.
- The human body contains 96,000km(59,650miles) of blood vessels.
- A compass needle does not point directly north.
- DVDs are physically the same size as a CDs but can store 13 times more data.
- An average cumulus cloud weighs more than 70 adult T-Rexes.
- Blue flames are the hottest, reaching temps up to 3,000 degrees Celsius.
- Not a single number has the letter "b" in it until you reach a billion.
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