Niño sonriente sosteniendo frasco con líquido cerca de chica seria en gafas - Foto e imágenes de stock

Happy preteen kids in white coats looking at camera near microscope and test tubes with flasks

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

Cheerful boy holding jar with chemical substance near girl in eyeglasses and test tubes in lab

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

Children doing chemical research in laboratory. Dangerous experiment

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

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

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

Scientist picking up blood sample in electronic pipette in lab

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

Handsome scientist in latex gloves holding sample with coronavirus lettering

Side view of scientist in white coat looking at test tube near medical equipment