Yes, rainbows are beautiful, but are they good for anything? Indeed, they have been very important for science.
It’s too bad biologists are not as open about crises in their theories. It’s the sign of a healthy science.
In 1927, Belgian astronomer Georges Lemaître theorized that the universe began with a single explosion from a densely compacted state.
Surely no objective scientist would find evidence for evolution in nature’s echolocation designs. Would they?