Shatner‘s revelation may be interpreted as an environmentalist creed, but I rather see it as a poetical formulation of the fine-tuning of Earth for life.
Does any of the evidence suggest a cosmic designer who is more than just the clockmaker God of the deists?
So, the Earth is just a humdrum planet? Far from it, astrobiologist Guillermo Gonzalez argues.
“You might have to travel a half a billion light years from the Milky Way, past many, many galaxies, to find another cosmological wall with a galaxy like ours.”
A planet needs more than location in a habitable zone. It needs the right ingredients, and salt has a surprising role.