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Oil plume measured; melting Russian permafrost leads to leaking methane; solving the mysterious nature of light; Nickel allergy explained; muscle weakness in astronauts.

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28 minutes

Last on

Sun 22 Aug 201003:32GMT
BBC World Service Online

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13/08/2010

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27/08/2010

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  • Fri 20 Aug 201009:32GMT
    BBC World Service Online
  • Fri 20 Aug 201014:32GMT
    BBC World Service Online
  • Fri 20 Aug 201019:32GMT
    BBC World Service Online
  • Sat 21 Aug 201000:32GMT
    BBC World Service Online
  • Sun 22 Aug 201003:32GMT
    BBC World Service Online

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