10 things we didn't know last week

1. YouTube was originally meant to be an online dating site.

Find out more (Gizmodo)

2. Llamas are certified therapy animals in Portland, Oregon.

Find out more (CNN)

3. There are special handcuffs for overweight suspects in New Zealand.

Find out more

4. Travel abroad required special permission in Tudor England.

Find out more (The Conversation)

5. Around three million shipwrecks are resting on the ocean's floor.

Find out more (Discovery)

6. Wikipedia has 80,000 monthly editors.

Find out more (The Atlantic)

7. A town in the US state of Virginia has been plagued by vultures for 30 years.

Find out more (Daily Mail)

8. Ben Nevis is one metre higher than we thought.

Find out more (The Guardian)

9. A WW2 bomber crew survived days at sea after using their pants as fishing nets.

Find out more (Daily Telegraph)

10. If you want to be happy you really should move to Denmark.

Find out more

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