Free stock photo of adult, analysis, bacteria, biochemistry, biology, biotech, biotechnology, chemistry, corona, coronavirus, covid, covid 19, discovery, doctor, down to a science, education, equipment, experiment, glassware, health, healthcare, hospital, indoors, instrument, lab, laboratory, looking, macro, magnification, man, medical, medicine, microbiology, microscope, optical, optics, pharmacist, pharmacology, research, room, sample, science, scientist, tech, technology, white, woman, zoom