10 things you didn't know last week

1. Beetles like living near street lights.
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2. The US state of Kansas is actually flatter than a pancake.
More details (New York Times)

3. Microsoft CEO Steve Ballmer has an 80-inch tablet in his office.
More details (Wired)

4. David Cameron has a tennis machine called Clegger.
More details (The Guardian)

5. On a French keyboard you have to press the shift key to get a full stop.
More details (The Financial Times)

6. Beijing has a "two flies" rule in its public toilets.
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7. A male Arabian leopard needs 100 square kilometres to survive.
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8. The Queen wears an extra shoulder pad on one side.
More details (The Daily Telegraph)

9. Space has been commercialised.
More details (Wired)

10. Spaghetti Junction cost £10m to build but its annual maintenance budget is roughly £7m a year.
More details (ITV)