Portrait d'un scientifique concentré utilisant un microscope tout en travaillant avec des réactifs en laboratoire - Photo & image de stock

Scientist holding test tube with light blue liquid and microscope in laboratory

Young female student in the research lab, she is examining a sample in a petri dish and using the microscope

Young scientists conducting research investigations in a medical laboratory, a researcher in the foreground is using a microscope

Bearded teacher holding flask while little student looking in microscope

Smiling bearded scientist in protective goggles and gloves holding test tubes with reagents and making experiment

Concentrated attractive blonde scientist working with microscope in laboratory

Attractive blonde scientist working with microscope in laboratory, looking at camera

Adorable little girl with flasks in laboratory, two scientists behind

Smiling bearded teacher looking at little student working with microscope in lab

Two adult scientists and little student making experiment in chemical lab

Smiling bearded teacher and serious little student making experiment in lab

Little student with eyeglasses looking at teacher working with microscope in lab