Tee hee .. Ok .. 'good indication' is pretty innocuous .. in this case, because of the legitmately solid background work that's clearly been done for...
Ok .. thanks for that .. just a slight wording misunderstanding. (I thought you may have been referring to some other external separate test, etc .....
.. and thus also showing that the 'apparent metabolism' displayed by the unshielded sample, was uneffected by eons of exposure to UV at the surface …...
Just sharing some reflective thoughts here, (so please excuse the slight diversion .. 'twill only be a one-post 'behind the scenes explanation of my...
No.
A second sample was taken from a different environment for comparison of results with the first sample. 'Seemingly' one shielded almost entirely...
Out of interest in the noble cause of electron conservation, (they're useful for lots of other things y'know), I'll get to where I'm coming from ..
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Funny ... I thought that's why McKay et al are developing an ice drill(?) ... Y'know, because surface organic bio-markers are just about 'sterilised'...