- That in the 17th century the value of pi was known to 35 decimal places (today to 1.2411 trillion).
- Most snakes have 1 lung.
- The most common mental illnesses are anxiety and depression.
- 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..
- A humming bird flaps its wings up to 90 times a second (5,400 times a minute).
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