10 things we didn't know last week

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1. The average person has around 30-40 moles.

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2. A cockroach can bite five times stronger than a human.

Find out more (Gizmodo)

3. An increasingly warped sense of humour could be an early warning sign of dementia.

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4. Victoria's Secret Bombshell perfume is almost as good at repelling mosquitoes as commercial insect sprays containing Deet.

Find out more (The Daily Beast)

5. It's possible for people to hallucinate a foreign accent.

Find out more (Brain Decoder)

6. Humans have been exploiting honeybees for almost 9,000 years.

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7. Children considered the favourite by their mothers are more likely to suffer from depression than overlooked siblings.

Find out more (The Independent)

8. Taking a week off from Facebook can make you a happier person.

Find out more (The Huffington Post)

9. Fish can leap out of the water to attack their prey from above.

Find out more (New Scientist)

10. Happiness levels are on the rise in adolescents but adults over 30 are becoming less happy over time.

Find out more (Live Science)

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