10 things we didn't know last week
13:21 UK time, Friday, 22 April 2011
Snippets from the week's news, sliced, diced and processed for your convenience.
1. Planets may have black plants.
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2. Chimps give birth like humans.
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3. Dinosaurs suffered from toothache.
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4. Swearing relieves pain.
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5. Cuckoos copy hawks.
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6. Supermarkets still give away cardboard boxes for nothing.
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7. The world's smallest caravan measures 6ft 7in (2m) by 2ft 6in (75cm) and has a top speed of 5mph.
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8. A rare version of God Save the Queen by the Sex Pistols is the most valuable record of all time.
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9. Spies used to engrave messages on toe-nails.
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10. Soap and water can be better than hand gels and wipes at tackling germs.
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