During the 1970s and early 1980s, the number of female computer science (CS) majors was increasing at a steady rate. Today, less than 20% of CS students in the U.S. are women. While tech companies are becoming more aware of this diversity issue, many still do not understand the reason behind the lack of women in computing. Reporters from NPR did some research and found that the answer lies in the year 1984. Learn what happened to cause this sudden decrease and what Carnegie Mellon is doing to solve the problem.