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10 Things

• 10 things we didn't know last week
  Snippets from the week's news, sliced, diced and processed for your convenience. 1. Sharks have weak jaws. More details 2. Since 1972, 24 "leap seconds" have been added to the world's "time" because of the earth's slowing rotation. More details 3. Blind children used to be taught to write Braille right to left, so it could be turned over and read left to right. More details 4. Using both hands to read Braille achieves an average speed of 115 words per minute, compared with 250 words per minute for sighted reading. 5. Gold medal winner Chris Hoy was inspired to cycle by ET. More details 6. Jatropha plant oil can be used to fuel planes. More details 7. Dieting impairs your ability fo fight flu. More details 8. Chinese people spend three times longer online, for leisure, than the average Danish person. More details 9. Only older mosquitoes pass on dengue. More details 10. Our facial expressions are hardwired into our brains rather than learned during life. More details Seen 10 things? Send us a picture to use next week. Thanks to Catherine Spencer for her picture of 10 pigeons in Lancashire.