- The word 'uncopyrightable' is the is the only 15 letter word that can be spelled without repeating any letter.
- Dolphin's can detect underwater sounds from 24 km (15 miles) away.
- The revolving door was invented in 1888.
- The Dead Sea is actually an inland lake.
- The first sailing boats were built in Egypt.
- The statue of Liberty's mouth is 3 feet wide.
- The average ice berg weighs 20,000,000 tons.
- Some cats are allergic to humans.
- There are 70 million sheep in New Zealand (with 4 million people).
- Snails can sleep for up to three years.
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