10 things we didn't know before the 6th week of 2008

1. The oldest Mormon congregation in the world is in Preston, Lancashire.
2. Naturism is known as Free Body Culture or Freikörperkultur in Germany and was particularly popular in the days of the old East Germany.
3. There are frogs that use semaphore.
4. St Kilda has no rats.
5. Normal mice cannot catch colds.
6. The three Scottish banks that issue currency lodge funds with the Bank of England three days a week (and are free to move it elsewhere for the other four).
7. Children in Manchester are twice as likely to have tooth decay as children in Birmingham, who have flouride in their water.
8. A list of guide prices for items commonly claimed by MPs on expenses is known as the "John Lewis list".
9. Every year, the world's deserts produce 1,700 million tonnes of dust.
10. Rat is a common foodstuff in the far north of Thailand.

(Source: BBC)