- The Hawaiian alphabet has 13 letters.
- The dishwasher was invented in 1889.
- A woodpecker can peck 20 times a second.
- Orienteering originated from Sweden.
- 72% of people eavesdrop.
- The supersonic Concorde jet made its first trial flight on January 1st 1969.
- Scissors were most likely invented ancient Egypt.
- Tigers have striped skin, not just striped fur.
- Armadillos can walk underwater.
- A person will die from total lack of sleep sooner than from starvation (Death can occur about 10 days without sleep while starvation takes a few weeks).
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