10 things you didn't know last week

1. French time used to be nine minutes ahead of GMT, based on the time in Paris.
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2. Sugar level in strawberries is calculated on the Brix scale.
More details (Daily Telegraph)
3. The first known use of the word "slut" in printed English was from 1402.
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4. The hemlines of school skirts in South Korea have risen 10-15cm (4-6in) in the last decade.
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5. The first British Tupperware was held in Weybridge, Surrey in 1960. More details
6. A Christian doomsday group in the US is warning that the end of the world - or the Rapture - will occur on Saturday 21 May.
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7. It costs $60,000 to train a Navy Seal dog - like the one that accompanied US special forces on the Bin Laden operation.
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8. Goats are able to recognise the voices of their very young kids, and differentiate them from other animals' offspring
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9. Humans are naturally predisposed to believe in gods and life after death.
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10. The government's wine cellar contains about £2m worth of wine and spirits
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