10 things we didn't know last week

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1. In primates there is a correlation between female infidelity and males having large testicles.

Find out more (Huffington Post)

2. Hillary Clinton hasn't driven a car since 1996.

Find out more (the Atlantic)

3. Biodynamic wine-makers in Burgundy soothe their vines after hail storms with homeopathic doses of arnica.

Find out more (FT)

4. In 1985, the then Soviet leader Mikhail Gorbachev banned the sale of vodka before lunch-time.

Find out more

5. If you have an itchy arm, looking in the mirror and scratching the mirror image of that arm (the one that isn't bothering you) will help, although it only provides a quarter of the relief of scratching the itchy arm.

Find out more (New Scientist)

6. Food can be grown 100 feet (30 metres) underground.

Find out more (Independent)

7. David Cameron and Al Murray share William Thackeray as an ancestor.

Find out more (the Times)

8. Humans picked up gene types linked to smoking addiction when they interbred with Neanderthals.

Find out more

9. Half of men have no idea of their partner's dress size.

Find out more (Daily Mail)

10. You can open a can of food just by rubbing it on a concrete surface.

Find out more (Daily Telegraph)

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