10 things we didn't know last week

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1. Germaine Greer wrote a 30,000-word love letter to Martin Amis in 1976.

Find out more (The Guardian)

2. The Milky Way stole a star cluster from one of its neighbours.

Find out more (New Scientist)

3. You're So Vain definitely is about Warren Beatty (and two other men).

Find out more

4. Vampire bats vomit up blood they've eaten and share it with their friends.

Find out more (National Geographic)

5. The first interracial kiss on UK television was broadcast in 1962.

Find out more

6. Pigeons can read mammograms.

Find out more (Gizmodo)

7. Bilingual people are twice as likely to recover from a stroke compared with people who speak just one language.

Find out more (Daily Telegraph)

8. Couples who have sex once a week are the happiest.

Find out more (NPR)

9. English regional accents are becoming more homogenised, but the Scots accent is flourishing.

Find out more (The Courier)

10. The global pay gap between men and women will not be closed until 2133.

Find out more

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