"At the time of entry into the Earth’s atmosphere on 29 December 2012, the parent body of the Polonnaruwa meteorite would have had most of its interior porous volume filled with water, volatile organics and possibly viable living cells"
Begs the question...
"A few percent carbon as revealed by EDX analysis confirms the status of a carbonaceous meteorite."
Does something that sounds about as scientific as "point and guess"...
"The intricacy of the regular patterns of “holes”, ridges and indentations are again unquestionably biological, and this is impossible to interpret rationally as arising from an inorganic crystallisation process."
Argument from personal incredulity...
...etc...
I won't be celebrating this discovery just yet...