re: Sure He's A PhD Sanitation Engineer Among Other Things
The among other things includes inventing the technique now widely used for detecting hidden and low numbers of microbes by detecting gases from metabolized radiactive nutrients they've ingested.
"He's also made major blundars in forays outside his prime fields, but stubbornly sticks to them no matter how many times his attempts to support them fall through."
The evidence is swinging more and more to the idea there could be liquid water on the surface of Mars which makes it more likely his opinion is the correct one.
Already experts on organics on Mars acknowledge more sensitive instruments need to be sent to definitely settle the question of their existence on Mars.
Bob Clark