Ключевые слова: adult, african, biologist, biology, busy, career, chemist, chemistry, coat, confident, cropped, ethnic, ethnicity, experiment, expert, expertise, formula, innovation, intelligent, job, lab, laboratory, looking, male, man, men, occupation, people, person, plan, planning, portrait, process, profession, professional, professionalism, report, research, science, scientist, serious, smart, strategy, success, successful, system, work, working, workplace, young,