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