10 things we didn't know last week

Image copyright PA

1. People played with a fifth suit of cards in the 1930s.

Find out more (Shortlist)

2. Silencers only quieten gunshots to the level of a pneumatic drill and are rarely used in murders.

Find out more (Reuters)

3. A new species of spider that eats toads and fish has been discovered - and named Brian.

Find out more (Mashable)

4. Four in five US army recruits have a close relative in uniform.

Find out more (Time)

5. Homeless residents lived in army tents after the Great Fire of London.

Find out more (The Guardian)

6. The Northern Lights cause a headache for people drilling for oil in the Arctic.

Find out more (Gizmodo)

7. Children as young as 12 can get married in the US state of Virginia.

Find out more (wtop)

8. The perfect time to break wind in front of a partner is between two and six months into the relationship.

Find out more (The Debrief)

9. Your phone's wi-fi may be giving away where you walk.

Find out more (Daily Mail)

10. Perfect invisibility cloaks may actually be physically impossible.

Find out more (Gizmodo)

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