10 things we didn't know last week

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1. There can be up to 30 security features on a single bank note.

Find out more (Financial Times)

2. The code A113 is implanted in every Pixar movie.

Find out more (Huffington Post)

3. Pennsylvania is the most linguistically rich US state - it has five dialects, compared with the typical two or three.

Find out more (Slate)

4. Mice don't like the way men smell - the stress is the equivalent of a three minute swim - but the scent of a woman is okay.

Find out more (Time magazine)

5. The Wiltshire village of Amesbury is the oldest continuously inhabited settlement in Britain.

Find out more

6. Divorce in older couples is more likely when the wife falls ill.

Find out more (Time magazine)

7. Petrol is free for people in Turkmenistan - although the 120 litre free allowance will be phased out soon.

Find out more

8. You can smell someone's gender.

Find out more (Daily Mail)

9. Southern Mexico has sensors that give residents of Mexico City two minutes' notice that an earthquake is on the way - seismic waves travel at 7,000 mph (11265 km/h).

Find out more (The Economist)

10. A key character in Booker Prize winner Hilary Mantel's latest collection appeared to her in a hallucination while she was high on morphine.

Find out more (Daily Telegraph)

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