10:32Science In Action20/08/2010BBC World Service Duration: 28 minutes Fri 20th Aug 2010, 10:32 on BBC World Service OnlineAvailable for over a yearListen nowOil plume measured; melting Russian permafrost leads to leaking methane; solving the mysterious nature of light; Nickel allergy explained; muscle weakness in astronauts.GenresFactualScience & NatureFormatsMagazines & ReviewsBrandScience In Action Source: BBC Online