10 things we didn't know last week
10:44 UK time, Friday, 23 September 2011
Snippets from the week's news, sliced, diced and processed for your convenience.
1. MI5 used to have special kettles kept solely for steaming open envelopes.
More details (BBC Radio 4)
2. Only one in every 250 million births is a case of conjoined twins.
More details
3. Bill Clinton was invited to appear on Dancing with the Stars, the US version of Strictly Come Dancing.
More details (Daily Mail)
4. Penguins find their family members by sniffing them out.
More details (Daily Telegraph)
5. The world's smallest aquarium contains just two teaspoons of water.
More details (Daily Telegraph)
6. Elephants can paint.
More details
7. Red-haired donors are being turned away by the world's largest sperm bank because there is a lack of demand for their "product".
More details
8. Facebook hosts 4% of all photos ever taken.
More details (CBC)
9. Yawning cools down the brain.
More details (Huffington Post)
10. Crows can find food with the aid of mirrors.
More details
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