The researcher takes a sample out of the tube.  Her measurements must be precise.  She focuses closely on the pipette.  She has done this a million times, but this time is different.  The cure is so close.  This final test may prove to be the key that solves all her questions.  Her colleague looks on in amazement.  They both know the potential this cure has, and how close they are to finding it.  As she finishes taking out the necessary sample, she returns to the lab to look at the results.  
