10 things we didn't know last week

1. Reindeer eyes change colour over the course of a year.

Find out more (Independent)

2. The Chinese for nouveau riche is "tuhao".

Find out more

3. Red underwear is popular in Wales, while those in North-West England buy a lot of thongs.

Find out more (The Economist)

4. Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog's point of view) - and fellow canines pick up on this lop-sided tail language.

Find out more

5. People who eat large amounts of chocolate have trimmer stomachs.

Find out more (Daily Mail)

6. The mathematical chance of meeting your soul mate is one in 10,000.

Find out more (The Times)

7. A long-term lover is known as a "small house" in Zimbabwe.

Find out more

8. Mosquitoes tune into the same frequency of wing beat as the others around them.

Find out more (Daily Telegraph)

9. A smartphone can stop a bullet.

Find out more (Gawker)

10. Amazon's original name was to be Relentless - and the URL relentless.com still redirects to the company website.

Find out more (Financial Times)

Follow @BBCNewsMagazine on Twitter and on Facebook