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10 things we didn't know last week

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1. The speed Batman reaches while gliding through the air would probably kill him on landing.

Find out more (The Guardian)

2. An Australian rodent is probably the first mammal to be wiped out by man-made climate change.

Read more (New York Times)

3. The sun has "stolen" planets from other solar systems.

Read more (New Scientist)

4. The Dalai Lama can't remember if he's seen Caddyshack.

Read more (Gawker)

5. Exercising four hours after learning can help you remember information.

Find out more

6. The chord sequence in Stairway To Heaven may have been partially inspired by the Mary Poppins song, Chim Chim Cheree.

Find out more (Daily Telegraph)

7. A lump of butter buried for 2,000 years in an Irish bog can remain edible.

Find out more (Science Alert)

8. The so-called Islamic State's Twitter accounts are followed by thousands of porn bots.

Find out more

9. Rolls-Royce's first driverless car contains a silk "throne".

Find out more (The Guardian)

10. Although England's football team has suffered "50 years of hurt", France and the Netherlands have both endured longer periods without winning any international competitions.

Find out more (The Economist)

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