- Diamonds mined in Brazil are much harder than those found in Africa.
- The word laser stands for 'Light Amplification by Stimulated Emission of Radiation'.
- Baby rattlesnakes are born in August and September.
- The vocabulary of the average person is between 5,000 to 6,000 words.
- The average pool cue is 1.4m (4.75ft) long.
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