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.
The dual wave and particulate aspects of light, essential to our ability to see, and so much else, must all be just right to within insanely precise parameters.
Maxim Loskutoff recounts the time he and his girlfriend were threatened by a grizzly bear while hiking in Montana.
“If only Tiktaalik had inherited three pairs of stubby little old fins we’d be centaurs now.”
The driving tendencies in nature on the early Earth would have been analogous to seismic tremors rearranging the books in the library.