When considering a career as a research scientist, the choice between studying physics or chemistry largely depends on personal interests and strengths. Both fields present unique challenges; physics typically requires more mathematical skills, while chemistry may be more accessible for those who find math difficult. Job opportunities vary by specialization, with chemists generally having more industrial job prospects, though this can depend on local industries and specific fields of study. A PhD is essential for research roles in either discipline, especially for engaging in complex problems in industry. Students are advised to explore courses that bridge both fields, such as physical chemistry or chemical physics, and to strengthen their mathematics skills, as this can enhance competitiveness in both physics and chemistry. Ultimately, personal interest and aptitude play significant roles in determining the right path.