Africký americký vědec mluví na telefonu Smartphone a dívá se na vzorek mikroskopem v laboratoři - Stock záběry a video

African american scientist looking at sample through microscope in lab

African american scientist sitting on chair and looking at sample through microscope in lab

African american scientist using digital tablet, looking at glass flasks and using microscope in lab

African american scientist using digital tablet and looking at glass flasks in lab

African american scientist in glasses looking at sample through microscope in lab

African american scientist in glasses writing on clipboard while looking at sample through microscope in lab

African american scientist looking at sample through microscope in lab

African american scientist sitting on chair and looking at sample through microscope in lab

African american scientist using digital tablet, looking at glass flasks and using microscope in lab

African american scientist using digital tablet and looking at glass flasks in lab

African american scientist in glasses looking at sample through microscope in lab

African american scientist in glasses writing on clipboard while looking at sample through microscope in lab