10 things we didn't know last week
18:02 UK time, Friday, 10 November 2006
1. An infestation of head lice is called pediculosis.
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2. The Pope's been known to wear red Prada shoes.
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3. Sea urchins see with their feet.
4. The fastest supercomputer in the UK can make 15.4 trillion calculations per second.
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5. Airships use as much fuel in a week as a 767 uses to get from its gate to the runway. But are, obviously, much slower.
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6. Four million people in the UK have phobias about toilets, says the National Phobics Society.
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7. Online shoppers will only wait an average of four seconds for an internet page to load before giving up.
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8. Salt makes bitter food taste sweeter.
9. Donald Rumsfeld was both the youngest and the oldest defence secretary in US history.
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10. White poppies are also sold to mark Remembrance day - the first produced in 1933 as a symbol for peace.
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[3. Times, 10 November, 8. Heston Blumenthal: In Search of Perfection, BBC Two, 7 Nov.]
Thanks to Tony Janes in Herts for sending the picture of 10 tomatoes.
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