1. You're not allowed to scream on some rollercoasters.
2. A jar of London air will set you back £19.99.
Find out more (Evening Standard)
3. US President Barack Obama recommends you open a DJ set with Rock Steady by Aretha Franklin.
4. Grammar pedants are more likely to be introverts.
5. The U-rated film Watership Down would be listed as a PG today.
6. The Central Line is the worst on the London Underground for crime.
7. Humans may have once livedalongside Siberian unicorns.
Find out more (History Channel)
8. Nobody noticed when Kraft changed its macaroni and cheese recipe.
Find out more (Washington Post)
9. A woman in Michigan exchanged her Dr Pepper Twitter username for 41,000 bottles of water.
10. An army of large cyborg beetles could replace drones.
Find out more (Daily Telegraph)
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