OMJ (OhioMeansJobs) For Students Explore Careers S.T.E.M. is Cool! S.T.E.M. is Cool! What are S.T.E.M. Careers? Science, Technology, Engineering, and Mathematics careers are essential to our health, happiness, and safety. Did you know that STEM professionals are creative and collaborative problem solvers? They make a world of difference and shape our future.