"evolution" means " the totality of evolution": the entire family tree with time in view of natural events.
"explain" means "explain in principle", not "computationally predict everything".
"current laws" exclude vague models.
To situate this question in its context, here are my answers to related questions:
Do mechanisms such as descent, mutation, gene flow, natural selection, etc. make *plausible* that the family tree is explained by physics? Yes, but still life may be special and it is not the original domain of physics.
Do they have predictive power in the family tree? Yes.
Do the laws of physics explain the totality of life? Most likely no.
Do the laws of physics explain some aspects of life? Sure, it is called biophysics. However, it uses specific models as evidence when it applies.
My bet is that your answer to the question depends on the way life is special for you. If you're a Creationist, no evidence is enough. I'm not a creationist, but still life is special for me.
2007-08-20
03:06:49
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5 answers
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Science & Mathematics
➔ Physics
To Bibs: You don't need to be religious to question whether the current laws of physics can explain the totality of evolution. Do you mean that the totality of evolution is a religious issue outside the range of physics or even science?
Yes, you are right that I could rephrase the question in terms of science in general. However, most people believe that biochemistry can *in principle* be reduced to physics, the difficulty being only a computational one. This in itself is a much related question. Can we reduce biochemistry to current physics? Can we explain the totality of evolution via current physics? Two closely related questions !
2007-08-20
04:04:01 ·
update #1
In fact, if we cannot reduce biochemistry to current physics, then most likely we cannot explain the totality of evolution via current physics. However, the opposite is not true.
2007-08-20
04:07:00 ·
update #2
I do think the question is more clean when formulated in terms of physics than if formulated in terms of science in general.
2007-08-20
04:10:11 ·
update #3
To runningman0220: Thanks for a direct answer. This is what I want. However, do you really mean that you are sure that current physics cannot explain (*even only in principle*) evolution? Again, it does not have to computationally predict evolution. I personally think that most likely new fundamental laws applies at this level, but I don't know for sure. It could be that the problem is only that the system is computationally complex. What I know is that I don't accept that there is enough evidence to conclude that the current laws are sufficient (even only in principle). I am curious to see the opinion of others, at the least those on Y!A category physics.
2007-08-20
05:41:20 ·
update #4