10 things we didn't know last week

1. Holding your coffee cup from above in a claw-like grip is the best way to prevent it from spilling.

Find out more (The Times)

2. Dog people have on average 26 more Facebook friends than cat people.

Find out more (Facebook)

3. Horses' funny walk, known as an ambling gait, first appeared in York during the 9th Century.

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4. Only about half of perceived friendships are mutual.

Find out more (New York Times)

5. When you wake up with stiff limbs in the morning, it's because your body's natural ibuprofen hasn't kicked in yet.

Find out more (Daily Telegraph)

6. Some people believe Twitter will close down in 2017 (the company says it won't).

Find out more

7. One female Greenland shark is around 400 years of age, making the species the longest-living vertebrate known on Earth.

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8. In Thailand, it's illegal to be a "dishonest" politician - as defined by officials loyal to the military.

Find out more (PRI)

9. There's a mystery object beyond Neptune with an orbit that is hard to explain.

Find out more (New Scientist)

10. Extroverted CEOs make their companies less money.

Find out more (New York Magazine)

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