Cientista afro-americano olhando amostra através de microscópio em laboratório - Banco de filmagens e vídeos

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

African american scientist looking at sample through microscope in lab

Pretty, attentive scientists making research with microscope in laboratory

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

African american scientist looking at sample through microscope in lab

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