10 things we didn't know last week
17:53 UK time, Friday, 21 December 2007
Snippets from the week's news, sliced, diced and processed for your convenience.
1. Humour comes from testosterone.
2. Wii players use only 2% more energy than players of regular computer games.
3. There were 1,580 cosmetic treatments in the UK on average last year.
4. Blood alcohol concentration does not decrease when you eat as well as drink.
5. Reading in dim light does not harm your eyesight.
6. Only 10% of a horse's lifetime winnings can be attributed to its bloodline.
7. There are 17 surviving versions of the Magna Carta - or 17 Magnae Cartae.
8. The whale is descended from a raccoon-sized land-based mammal called the Indonyus.
9. Only one in a hundred tourists visiting the UK stay for longer than three months.
10. Nick Clegg, the Lib Dems' new leader, once took a road trip across the US with his friend Louis Theroux.
Seen 10 things? . Thanks to Mercia Sadie for this week's picture of 10 seagulls on a roof in Houtbaai, South Africa.
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