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10 things we didn't know last week

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1. British artists accounted for one in every six LPs sold worldwide last year

Find out more (BBC News)

2. Green light can help migraine sufferers

Find out more (New Scientist)

3. The Chinese government fabricates nearly 490 million social media posts every year

Find out more (The Guardian)

4. Google is patenting a "sticky" technology so that pedestrians who get hit by self-driving cars will stick to them rather than bounce off

Find out more (The Guardian)

5. Heathrow airport has an annual points-based "noise budget"

Find out more (BBC News)

6. Mars was once devastated by 50-metre high tsunamis

Find out more (New Scientist)

7. The spice turmeric may help stave off dementia

Find out more (Daily Telegraph)

8. Fifty percent of 30-year-olds in Greece and Bulgaria live with their parents

Find out more (The Independent)

9. People who watch porn more than once a week are likely to be more religious than those who watch it only a couple of times a month

Find out more (The Independent)

10. Artisanal marijuana crab cakes have been developed in the US

Find out more (Washington Post)

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