The STEM subjects are Science, Technology, Engineering, and Mathematics. Stem jobs do pay well compared to other jobs because those are the main subjects or fields that the upper elites when it comes to grades, go for. Those are the hardest fields to get into and it is the main things that deal with evolving and becoming better for the future.
Lefton, R. (2011, August 9). Women Missing Out on High-Paying STEM Jobs. Science Progress.. Retrieved October 22, 2013, from http://scienceprogress.org/2011/08/women-missing-out-on-high-paying-stem-jobs/