Enfants étonnés dans des lunettes de protection en regardant flasque floue avec du liquide tout en faisant des expériences chimiques en laboratoire - Photo & image de stock

Excited kids in goggles looking at flask with liquid and red substance in chemistry lab

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

Smart pupils making experiment in chemistry class

Little scientists in white coats making experiment with reagents and microscope in science laboratory

Serious girl in goggles pouring powder into flask near smiling friend in chemical lab

Amazed girl in goggles looking at friend near flask with red liquid in chemical lab

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

Ill african american scientist holing napkin near medical equipment and colleague

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

Tattooed scientist in latex gloves looking through microscope in laboratory

Concentrated children sitting at desk and making robots in stem education class

Interracial scientists in safety goggles with clipboard looking at reagent in flask

Side view of handsome scientist touching bottle with toxic sign and looking at clipboard

Scientist holding test tube near interracial colleagues in safety goggles, electronic pipette and digital tablet