10 things we didn't know last week

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1. German tourists can travel to more countries without a visa than any other nationality.

Find out more (CNN)

2. The Cat in the Hat author Dr Seuss produced Allied propaganda films in WW2.

Find out more (History Channel)

3. Moon jellyfish can age backwards and regenerate body parts.

Find out more (National Geographic)

4. Our galaxy is past middle-age and stopped making new stars eight billion years ago.

Find out more (New Scientist)

5. Donald Trump's ancestor changed the family name to Trump from Drumpf.

Find out more (Rolling Stone)

6. One in eight blue plaques in London honour women.

Find out more

7. A town in Spain has been celebrating a duck throwing festival for 100 years.

Find out more (The Local)

8. Ordinary Canadians privately sponsor nearly half of refugees entering the country.

Find out more (The Economist)

9. St Davids is Britain's smallest city, with a population of around 1,600.

Find out more (History Extra)

10. A rare blind salamander reproduces just once or twice a decade.

Find out more

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