DNA is the blueprint for life. But how does a cell decipher and read those instructions? And can scientists also learn to read the blueprints? Virologist Dr. Flossie Wong-Staal was the first person to crack the genetic code of a deadly virus called HIV, and she used this information to discover ways to prevent the virus' spread.
DNA Code Crackers
Viruses are very simple and tiny germs. They are made of a shell of protein surrounding some genetic material (RNA or DNA, depending on the virus).