- The first taxi service began in New York in 1907.
- A whip makes a cracking sound because its tip moves faster than the speed of sound.
- The first crossword puzzle appeared in 1913.
- Coffee is the most popular beverage worldwide with over 400 billion cups consumed each year.
- Rainbows can only be seen in the morning or late afternoon (the sun needs to be less than 40 above the horizon).
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