- The woodpecker can hammer wood up to 16 times per second.
- 70% of all Irish barley grown goes towards the production of Guinness beer.
- Mercury is the only metal that is liquid at room temperature.
- The most commonly used word in English conversation is 'I'.
- Whale songs can be used to map out the ocean floor.
- Most spiders have transparent blood.
- Disneyland opened in 1955.
- Roosters can't crow if they can't fully extend their necks.
- More people are killed by hippopotamuses then by lions, elephants and water buffalos combined.
- Christmas trees originated from Germany.
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