- Baby rattlesnakes are born in August and September.
- A spider's silk is stronger than steel.
- Horses sleep standing up.
- An individual blood cell takes about 60 seconds to make a complete circuit of the body.
- When baby polar bear cubs are born they cannot see or hear for their first month.
- Even with wings, humans would be unable to fly.
- The numerical digits we use today such as 1, 2 and 3 are based on the Hindu-Arabic numeral system developed over 1000 years ago.
- The letter W is the only letter in the alphabet that has 3 syllables (all others have 1).
- Denver sits at 5,280 feet elevation (1 mile above sea level).
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
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