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Curiosity challenges Mars life theory

The Curiosity rover's failure to detect methane on Mars is a blow to theories that the planet may still host some types of life, say mission scientists.

Telescopes and satellites have reported seeing small but significant volumes of the gas, but the six-wheeled robot can pick up no such trace.

Dr Chris Webster is the principal investigator on Curiosity's Tuneable Laser Spectrometer (TLS). He told Science In Action's Jon Stewart about the rover's investigations.

  • 19 Sep 2013
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