10 things we didn't know last week
Snippets from the week's news, sliced, diced and processed for your convenience.
1. A Sudoku with fewer than 17 numbers filled in will have more than one possible solution.
2. Skydiving can help you earn a GCSE qualification.
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3. A horse fly is named after Beyonce.
4. State workers in South Carolina answer the phone with, "It's a great day in South Carolina."
5. Snakes know when their prey's heart stops beating.
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6. The average US share holding lasts 22 seconds.
7. Sound travels five times faster through water than through air.
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8. Michelle Obama has a pair of $515 (£332) trainers.
9. Beer brewed 75 years ago can still be drinkable.
10. The government of Iraq considers the buttocks from a toppled statue of Saddam Hussein part of its national antiquity.