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To Friend: “On the other hand, macro-evolution (compared to micro-evolution) cannot be scientifically proven because of the timespans involved.”

I love such debates, but I think you underrate the power of evolution, which I have no reason to forsake, thus far. For instance, you may look at my blog about macro-evolution.

“Regarding problem-solving algorithms by "evolution". There is a designer to the algorithm and to the machine that calculates the algorithm.”

You are right that there is a designer for the algorithm and a machine for calculation. But the simulation still shows the power of the principle of evolution; the cyclic repetition of random variation and selection. And this is a very strong indicium.

When it comes to the efficiency. For instance, suppose that evolution replaces one generation with one million individuals in one year by testing all individuals in parallel, then, the same procedure will take one million years in my PC, testing one individual at a time. But I still find the simulation in my PC very efficient.

So, I think we need no help from another planet, thus far. In my opinion, evolution has the capacity to do the job.

Gkm