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“Intelligent Design is an answer to fine-tuning that does not appeal to most scientists. The multiverse offers another explanation.

If there are zillions of different universes with different properties—for example, some with nuclear forces much stronger than in our universe and some with nuclear forces much weaker—then some of those universes will allow the emergence of life and some will not.

Some of those universes will be dead, lifeless hulks of matter and energy, and some will permit the emergence of cells, plants and animals, minds.

From the huge range of possible universes predicted by the theories, the fraction of universes with life is undoubtedly small. But that doesn’t matter.

We live in one of the universes that permits life because otherwise we wouldn’t be here to ponder the question.”