Martian life found...(?)

[Cyberus]

So essentially, UV light breaks down the methane very quickly, so discovery of even a small amount would indicate that it is being produced at quite a rate, and as no nonbiological source could produce CH4 at such a rate, it must be produced by organisms?
Hmm, do you have a nice spectral sample from Mars that we could look at? What proportion of the planet is reckoned to be C?

[Cyberus]

@ Kenny

So if we knew the levels of SO2 in the atmosphere we should be able to better postulate the presence of volcanic activity.
Surely there are orbiting spectrometers that would be able to do this, rather than needing to send something to the surface?

[I'm very rusty on all this, despite the fact that I tested an x-ray spectrometer for the ESA's BepiColombo Mercury mission for my Masters!]

[Cyberus]

Perhaps David Icke and all the other ruling lizards are trying to found an amphibian colony on Mars?