NASA Curiosity rover detects no methane on Mars

[unable to retrieve full-text content]Data from NASA's Curiosity rover has revealed the Martian environment lacks methane. This is a surprise to researchers because previous data indicated positive detections.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/iiKE64IcgZU/130922222800.htm

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