Did life arise from
non-living materials? Nope, ‘course not.
Why not?
It should be enough to say that the very idea contradicts the
philosophical principle of Sufficient Reason; i.e., you cannot give what you
don’t have.
However, see this article: What Caused Life to Come into Existence, by James K. Watson, for some science-level
(i.e., popular science) review of the issue.
Watson's article also has a couple
excellent links, like this one to a James Tour essay,
Tour's opening paragraph (highlights/colors are my own):
LIFE SHOULD NOT EXIST. This much we know from
chemistry. In contrast to the ubiquity of life on earth, the lifelessness of
other planets makes far better chemical sense. Synthetic chemists know what it
takes to build just one molecular compound. The compound must be designed, the
stereochemistry controlled. Yield optimization, purification, and
characterization are needed. An elaborate supply is required to control
synthesis from start to finish. None of this is easy. Few researchers from
other disciplines understand how molecules are synthesized.
Tour ends this article with:
We synthetic chemists should state the obvious. The
appearance of life on earth is a mystery. We are nowhere near solving this
problem. The proposals offered thus far to explain life’s origin make no
scientific sense.
Beyond
our planet, all the others that have been probed are lifeless, a result in
accord with our chemical expectations. The laws of physics and chemistry’s
Periodic Table are universal, suggesting that life based upon amino acids,
nucleotides, saccharides and lipids is an anomaly. Life should not exist
anywhere in our universe. Life should not even exist on the surface of the
earth.
This essay is, like the one below, a (if I may be forgiven) tour de force. Just magnificent.
And here's the second JamesTour essay linked to in Watson's article:
And here's the second JamesTour essay linked to in Watson's article:
The opening:
Why is everyone here lying?
— Fyodor Dostoevsky
LIFE REQUIRES carbohydrates, nucleic acids,
lipids, and proteins. What is the chemistry behind their origin? Biologists seem
to think that there are well-understood prebiotic molecular mechanisms for
their synthesis. They have been grossly misinformed. And no wonder: few
biologists have ever synthesized a complex molecule ab initio. If they need a
molecule, they purchase molecular synthesis kits, which are, of course,
designed by synthetic chemists, and which feature simplistic protocols.
Polysaccharides? Their origin?
The synthetic chemists do not have a pathway.
The biologists do not have a clue.
Interesting reading,
to say the least.
Both of Watson's essays are simply MUST READS for anyone remotely interested in the origin of life. If for no other reason, read them because we have a long-running – as sort of constant "elevator music" in the background of this Western Civilization High-Tech World – incessant refrain that life came into being, and can come into being, randomly. My wife likes to watch documentaries about space on YouTube, and in just about every one of 'em (that I've watched with her, and these constitute a pretty random sample), they talk up – at some point, how in the pre-biotic "soup", life randomly generated.
Also, looking for life in space, where it would be presumed to have randomly generated (if it is ever found) is a major driver of the entire space exploration industry.
Anyway, interesting articles here.
An Préachán
https://youtu.be/2BZ2cMnDriU
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