text: Scientists Seek Scent of Life in Methane at Mars Sniffing out any whiff of biology on Mars has become a scientific battle of the bands - spectral bands that is. The purported detection of methane in the martian atmosphere by Mars Express, the European 
inputs: Scientists Seek Scent of Life in Methane at Mars Sniffing out any whiff of biology on Mars has become a scientific battle of the bands - spectral bands that is. The purported detection of methane in the martian atmosphere by Mars Express, the European 