Libyan technicians had analyzed residue within the vial using a technique called a Western blot, a quick and dirty probe for the
presence of particular antibody
proteins — in this case, ones that bind to HIV.
In this dream, we can use genetics to program living organisms: «if condition A is met, then do action B.» To give a near - term example, bacteria might produce a medicinal
protein only in the
presence of indicators
of a
particular disease.