- The average elephant produces 22kg (50 pounds) of dunn each day.
- Modern day geometry has made developments in a number of areas, including those that make use of the raw computing power of today's computers..
- That in the 17th century the value of pi was known to 35 decimal places (today to 1.2411 trillion).
- A shark's teeth are literally as hard as steel.
- House cats have 18 claws.
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