10 things we didn't know last week

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1. Goats are surprisingly quick witted.

Find out more (Science Daily)

2. Helsinki is the most expensive city in the world to order room service.

Find out more (the Times)

3. Ukraine's navy is equipped with combat sea lions.

Find out more (CNN)

4. There have been three cricket matches played at the North Pole.

Find out more (the Times)

5. When crows drop stones into water to make food more accessible, they display the reasoning skills of children aged 5-7.

Find out more (New Scientist)

6. Michael Gove is a fan of chap hop.

Find out more (Mail on Sunday)

7. Tuberculosis can be passed from cats to their owners.

Find out more

8. An aircraft's "black box" is actually two boxes.

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9. Chimpanzees have bromances too.

Find out more (Smithsonian)

10. North Korea's "leader's haircut" - reportedly being rolled out to students across the country - is aesthetically similar to an earlier style known as the "Chinese smuggler haircut".

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