10 things we didn't know last week

1. People are more likely to catch yawns from people of their own ethnicity.

Find out more (New Yorker)

2. Bearded men are more attractive when facial hair is scarce

Find out more (the Australian)

3. Fireworks can create a black ring that hovers in the sky for several minutes before suddenly vanishing.

Find out more

4. We remember people we met as babies, even if we don't remember being babies.

Find out more (Smithsonian Magazine)

5. Richard Curtis tried to block Hugh Grant getting the lead in Four Weddings and a Funeral.

Find out more (Daily Mail)

6. Birds learn to choose the best building materials for their nests.

Find out more

7. The authorities in Oregon are very, very particular about getting urine in their reservoirs.

Find out more (Oregon Live)

8. South American rhea birds are theoretically capable of disembowelling a person with a single swipe of their claw.

Find out more (Daily Telegraph)

9. Couples who sleep less than an inch apart are more likely to be content with their relationships.

Find out more (Independent)

10. Traumatic events in the 19th Century including forced relocation changed the shape of Cherokee skulls.

Find out more (Fark)

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