Enfants excités dans des lunettes regardant la fiole avec de la substance liquide et rouge dans le laboratoire de chimie - Photo & image de stock

Amazed kids in goggles looking at blurred flask with liquid while doing chemical experiment in lab

Smart pupils making experiment in chemistry class

Two schoolchildren in white gowns watching chemical experiment in lab

This one. Upbeat chemistry teacher sitting in between her students and showing them a test tube with a necessary chemical agent while they preparing for an experiment

Schoolgirl looking through microscope and her classmates at chemistry class

Selective focus of scientist in white coat holding clipboard and touching test tube

Scientist in goggles holding electronic pipette near african american colleague with clipboard and test tubes

Tattooed scientist in latex gloves looking through microscope in laboratory

Scientist in latex gloves and medical mask writing in notebook near test tubes and microscope

Ill african american scientist holing napkin near medical equipment and colleague

Cropped view of scientist holding electronic pipette near petri dish and flasks

Side view of scientist in protective mask working near arabian colleague with pipette on blurred foreground

Scientist picking up blood sample in electronic pipette in lab