Government spending in support of pure research is often treated as somehow wasteful, as though only immediate technological application can justify and scientific endeavour. Yet, unless the well of basic knowledge is continually replenished through pure research, the flow of beneficial technology will soon dry up. Today’s pure research may appear to be little use; but no one can tell what good it may some day yield. One might just as well ask: “Of what use is a newborn baby?”
To which of the following would the author compare the “Newborn baby” mentioned in the last sentence of the passage?