The Problem with Christians

[AJW333]

Ditto with neurons: they evolved from simpler analogues, in this case from electrical signalling cells from a function in single celled life forms.

Sounds simple. But is it?

"If the human brain were a computer, it could perform 38 thousand trillion operations per second. The world’s most powerful supercomputer, BlueGene, can manage only .002% of that." https://www.quora.com/If-the-human-brain...mputer-Why

So how does genetic mutation account for the fact that each one of these operations is intelligent and has a specific purpose?

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"Science is a systematic enterprise that creates, builds and organizes knowledge in the form of testable explanations and predictions about the universe." https://en.wikipedia.org/wiki/Science

Science is an inherently probabilistic field, but it's not fair to call its results speculation: yes, nobody directly observed these changes happening, but it'd be childish to demand only that sort of evidence and nothing more, not to mention massive special pleading. You ask about how we "absolutely" know something, which indicates a lack of understanding of the basic, probabilistic nature of science, because we don't absolutely know, nor are we required to. We infer that eyespots evolved into the eye in the same way we infer a relationship between Samotherium and modern Giraffes: through data and observation. Is it perfect? No, and nobody has ever claimed it was. Is it the best possible conclusion we can come to at the time, based on the evidence available to us? Yes. Yes it is.

Science depends on precision. If a claim cannot be verified by testing and observation, it should not be declared to be fact, it should be declared to be hypothetical. But this isn't what evolutionists do, they declare all too often, with absolute certainty that a whole train of radical species developments occurred with certainty.

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What kind of scientific conclusion is "it's designed" anyway? It tells us absolutely nothing, even if it were true.

If it is true, then there must be a designer.