We see novel things all the time and if we were not capable of learning and making guesses, educated guesses, about these novel things we would not be able to survive.
Unclassified estimates suggest that, by the turn of the century, many of these may becapableof fielding long-range missiles ableto reach the United States.
If successfully performed on Seth, and almost all of the surgeries done by Dr. Markert to treat this illness have been successful, the boy will not only beableto have the needed heart repairs but his body will becapableof training his immune system to behave as it should, creating the opportunity for a long life.