10 things we didn't know last week
1. About half of all novels accord to Kurt Vonnegut's "Man in Hole" narrative theory - man gets into trouble, man gets out of it.
2. Artificial intelligence can teach a machine how to win Atari video games.
3. Squid can fly - but they tend to do it under cover of darkness.
4. Lollipop men who "high five" pedestrians may be breaching official protocol.
5. Kit Kat and Twix account for almost a third of all chocolate bars sold in the UK's Houses of Parliament.
6. Google for a time thought that Beatles biographer Hunter Davies, who is still writing books, died in 1980.
7. A dress can look blue and black or white and gold to different people.
8. Europe's largest collection of pinball machines is in a basement in Budapest.
9. Wheat turned up on British shores 2,000 years earlier than previously thought.
10. UK-based fast food chain Chicken Cottage uploaded a film of their awards dinner to YouTube - it's over an hour long.
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