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10 things we didn't know last week (according to the bbc)

10_things 16:55 UK time, Friday, 20 August 2010

1. Roadside trees slow down cars.

2. School uniforms cost less than £5.

3. Only 10% of words in a text message are not written in full, on average.

4. You can get six A grades at A-level and still not be offered a university place.

5. One in three adults takes a soft toy to bed, according to new research.

6. Dogs can walk upright.

7. Man was not responsible for the extinction of the woolly mammoth.

8. The average person spends around 15 hours 45 minutes every day awake.

9. Children with squints are less likely to be invited to birthday parties.

10. Urine could be a source of renewable energy.