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Yes, natural laws are generally quite dependent on the conditions in which one is looking. Newton's Laws, for example, don't work will for either the very fast or the very small. Relativity can generalize to big or small, fast or slow. Depends what you're looking at. Ideal gas only works within a certain range and then it breaks down, as you say.

My coworker was making more statements today. I don't usually mind since it gives me something to think about. I always feel more secure if his statements/questions can be answered by science. However, he is no more a biologist than I am. I was interested to hear him say today that evolution via natural selection is an excellent theory regarding why we have such wide varieties within a "kind". Sounded like the "can't get a cat from a dog" argument, though he didn't specifically say that.

Anyway...he says the following question stumped Dawkins. Not that I accept Dawkins as a benchmark of scientific knowledge, but he is a biologist. He was asked to identify one verifiable example of an organism increasing its complexity (the implication being that this is what is required if we are to believe in descent from single-celled organisms to the multi-celled organisms such as chimps and dolphins and us). This may be a nonsense question, or it may be that there's an excellent answer. I don't know enough to argue either way. We infer a lot from the fossil record, but even then if you read carefully the paleontologists use a lot of vague language (e.g. "may have", "appears to"). Some of that I'm sure is typical scientific caution, but some of it may simply be because it is NOT conclusive. Interested in your input on this question. This appears to relate to changes in (for example) the phylum or genus leading to new species, if I understand the intent correctly.

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