10 things we didn't know last week

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1. People who swear have larger vocabularies.

Find out more (Toronto Sun)

2. It's possible to trick the brain into thinking it can hear Mariah Carey sing All I Want For Christmas Is You.

Find out more (New Scientist)

3. Most people who were dollar billionaires in 1995 aren't billionaires any more.

Find out more (Bloomberg)

4. The European Space Agency has only ever held three recruitment rounds - in 1978, 1992 and 2008.

Find out more

5. People asked Google "What is 0 divided by 0?" in 2015 more than "What is Isis?"

Find out more (Mashable)

6. The average American has 7.31 missing teeth, while the equivalent English person has 6.97.

Find out more (British Medical Journal)

7. You can buy a bed that will swallow you in the event of an earthquake.

Find out more (Techno Buffalo)

8. Lettuce requires three times the emissions per calorie to produce as bacon.

Find out more (The Independent)

9. Among the USA's 1,000 most senior medical academics, there are more moustaches than women.

Find out more (Washington Post)

10. There have been 727 references to Bob Dylan in scientific papers published since the 1970s.

Find out more (the Times)

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