Niños con caras sucias mirando pinzas borrosas en laboratorio químico, pancarta - Foto e imágenes de stock

Surprised kids with dirty faces looking at blurred tweezers with litmus test, banner

Happy preteen friends looking at camera near flask with liquid in lab, banner

Surprised girl in goggles holding flask with liquid near smiling friend in lab, banner

Happy preteen girl in goggles looking at camera in blurred chemical laboratory, banner

Cropped view of smiling pharmacist by showcase, panoramic shot

Scientist in white coat holding clipboard and touching test tube

Scientist holding test tube near smiling multiethnic colleagues with digital tablet, banner

Cropped view of scientist in white coat holding clipboard and pen in laboratory

Handsome scientist writing near microscope and test tubes