10 things we didn't know last week

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1. Shipwrecked 170-year-old champagne tastes "grilled, spicy, smoky, and leathery".

Find out more (Smithsonian)

2. The first sports bra was made from two jock straps.

Find out more

3. Your body odour genes may make you tastier to mosquitoes.

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4. You can make perfume from rain.

Find out more (Atlantic)

5. Nearly half of Americans - 150 million people - live in earthquake risk zones.

Find out more (LA Times)

6. The ocean economy is valued at $24tn, the seventh largest in the world.

Find out more (Guardian)

7. Chewing something can partially excise "earworms".

Find out more (the Times)

8. Alex Salmond changed his signature after being told off by the Queen for having messy writing.

Find out more (Telegraph)

9. Vultures surf on the heat of power plants.

Find out more (Science)

10. "Roadman" is northern slang for someone who thoroughly knows his area.

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