The fields of science, technology, engineering and math, especially, have historically been dominated by men.
The tide is slowly turning.
Mamta Nagaraja is the manager of Women@NASA, a program created to highlight the success of female scientists and engineers who work at the space agency.
Over the last decade, the number of female supervisors has increased by nearly 60 percent, she tells Business Insider. The number of women aerospace engineers has made an even bigger leap. Today, 20 percent of NASA engineers are female. That 76 percent increase since the early '90s.