Amis étonnés avec des visages sales regardant test de litmus dans le laboratoire chimique - Photo & image de stock

Three excited funny children after chemical experiment in lab

Children doing chemical research in laboratory. Dangerous experiment

Children doing chemical research in laboratory. Dangerous experiment

Amazed friends in goggles looking at flask with red substance in laboratory

Amazed boy with dirty face looking at girl holding tweezers near steaming bowl

Children doing chemical research in laboratory. Dangerous experiment

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

Ill african american scientist holing napkin near medical equipment and colleague

Two beautiful happy pupils writing on chalkboard

African american scientist playing video game near flasks and test tubes

Brunette scientist in latex glove and goggles holding test tube with blood

African american scientist in headphones showing yes gesture near blurred colleagues with smartphone in lab

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

Excited interracial scientists showing yes gesture near smartphone, clipboard and test tubes

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