One-third of minerals — chemical solids whose atoms are highly ordered — are created directly or indirectly by life forms.
Chemicals that we shouldn’t find unless they are produced by life forms are sparking interest in exploring Venus from both public and private sources.
Yes, rainbows are beautiful, but are they good for anything? Indeed, they have been very important for science.
Here is the problem with speculative thinking about extraterrestrial life as well as about the origin of life.