Two scientists are in their lab.  As one carefully adds a liquid to the test tube, the other one observes quietly.  Both scientists are there because they want to be, loving what they do, eager to learn more, anything that science can teach them.  Before they got to the lab on this particular day, each person rose from their bed alone, looking forward to the presence of another human being, no matter how quiet.  This day is like all the rest before them, quiet day in the lab, and then back again to their respective lonely homes.  
