10 things we didn't know before the 4th week of 2009

1. In camel racing the jockeys are electronic robots.
2. Ken Clarke doesn't own a mobile phone.
3. Ancient Persians were the first to use chemical warfare against their enemies.
4. Tony Hart designed the original Blue Peter badge.
5. The bubonic plague still exists.
6. Barack Obama's chief speechwriter is 27 years old.
7. Demand for online pornographic movies peaks at 1116 GMT on Sundays.
8. Film-maker Ridley Scott directed the advert for Apple's first Mac computer in 1984.
9. English businesses do not have to accept Scottish banknotes.
10. Indonesia is the world's largest exporter of edible frogs.

(Borrowed from the BBC)