Chest-up portrait of black-haired female scientist in white gown and face mask holding tube with liquid, sitting at desk in modern laboratory, then looking in camera
Young Muslim woman in lab gown observing blue liquid in test tube at desk, using laptop
Medium long of male scientist wearing face mask, gloves, medical gown and hat sitting at desk in laboratory, examining liquid in test tube, turning around and talking to colleague
Chest-up of Biracial male scientist wearing face mask, gloves, medical gown and hat sitting at desk in laboratory, examining Petri dish, two blurred colleagues working on background
Medium long of Caucasian female scientist wearing face mask, gloves, medical gown and hat sitting at desk in laboratory, blurred colleague passing over test tube with liquid, woman examining it
Close-up side-view of brown-eyed female scientist in gloves, goggles and face mask holding tube with liquid in modern laboratory
Chest up shot of Asian scientist in protective face mask, medical hat and gloves holding test tube and examining blue chemical in it while working in laboratory
Young Muslim woman in laboratory, observing blue liquid in test tube, working on computer
Medium side-view of Black male scientist in white gown and face mask using laptop computer, sitting at desk in modern laboratory, his female Asian colleague bringing him sample in tube
Waist-up of two male scientists wearing face masks, gloves, medical gowns and hats sitting at desk in laboratory, examining test tube, talking and reading document
Medium side-view of black-haired female scientist in white gown using microscope, sitting at desk in modern laboratory
Medium of two Caucasian female scientists wearing face masks, gloves, medical gowns and hats sitting at desk in laboratory at daytime, examining test tube, talking and using tablet computer