Scientists are exploring how organisms can evolve elaborate structures without Darwinian selection
The human eye evolved gradually, with natural selection favoring intermediate forms, but studies indicate that complexity may also emerge by other means.
Charles Darwin was not yet 30 when he got the basic idea for the theory of evolution. But it wasn’t until he turned 50 that he presented his argument to the world. He spent those two decades methodically compiling evidence for his theory and coming up with responses to every skeptical counterargument he could think of. And the counterargument he anticipated most of all was that the gradual evolutionary process he envisioned could not produce certain complex structures.
Source: The Surprising Origins Of Life’s Complexity | Quanta Magazine
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