1. Close-protection security consultants work on the principle that a client should never be more than eight seconds from rescue.

Find out more (The Guardian)

2. One 19-year-old Donald Trump supporter is single-handedly distorting US polling averages.

Find out more (New York Times)

3. The world’s top institution for undergraduates, measured by Nobel prize winners per 10,000 students, is the Ecole Normale Superieure in Paris.

Find out more (Quartz)

4. You can be served a lawsuit via Twitter.

Find out more (US News)

5. When fleeing a perceived threat, deer run either north or south.

Find out more (Scientific American)

6. The ancient Greeks may have reached China 1,500 years before Marco Polo.

Find out more

7. Saddam Hussein had a secret “detention room” on New York’s Upper East Side.

Find out more (New York Post)

8. Your doctor’s political preferences can influence the treatment they recommend.

Find out more (Slate)

9. You can use the new plastic £5 note to play vinyl records.

Find out more (NME)

10. Snowboarding may have originated in Turkey.

Find out more (Outside)

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