Yes, rainbows are beautiful, but are they good for anything? Indeed, they have been very important for science.
Self-evidently, the gravity on the surface of a planet limits the maximum size of large terrestrial organisms.
I have come to think of evidence in Bayesian terms and this has in turn impacted the way I think about the biological arguments for ID.
The Big Bang theory also gives us an age for the universe. The latest estimate, based on several cosmological observations, is 13.80 +/- 0.02 billion years.
It’s thanks only to the fine-tuning of the laws and constants of nature that we live in a universe awash in radiation from this tiny swath of the electromagnetic spectrum — the life-permitting swath.