10 things we didn't know before the 37th week of 2009

1. The Da Vinci Code and Dan Brown's three previous books are the UK's top four bestselling adult paperback novels of all time.
2. If you buy an item worth more than £100 with a credit card and it breaks because of a fault, the credit card provider is liable.
3. In Freemasonry, there is a death ritual in which a mock murder is performed.
4. A typical human has enough body fat to sustain about 40 marathons.
5. Tyrannosaurus Rex developed from a near-identical but much smaller predecessor.
6. Sportswear firms Adidas and Puma have had a 60-year feud.
7. Monkeys suffer colour blindness.
8. Pregnancy may help athletes to be more flexible.
9. All British industrial action ballots must be by post, except for workers at sea.
10. Vera Lynn had three songs in the first ever Top 12 in 1952, when Britain first introduced official sales charts.

 (Borrowed from the BBC)