The firm belief in extraterrestrial life — a belief nearly universal in the scientific community — is an act of faith.
The metal element 42, molybdenum, is needed in the body in extremely small but vital amounts for enzymes to work properly.
According to Halsmer, engineering involves “the creative use of resources and ingenuity to accomplish a purpose or solve a problem.” It does so by creating “affordances.”
Take a look at a plant that takes nothing but gives everything. Why should it deliver so much good to so many?
Can we explain human technology merely by supernova explosions and blind chance? In rare earth elements, we find hints of a better explanation.