Cientista de meia-idade atraente trabalhando com microscópio em laboratório químico - Banco de fotos e imagens

Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

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

Portrait of young woman looking through microscope in laboratory.

Group of young scientists experimentation in research laboratory

A blond female medical doctor or scientific researcher using her microscope in a laboratory.

Bearded teacher holding flask while little student looking in microscope

Adorable little girl with flasks in laboratory, two scientists behind

Two adult scientists and little student making experiment in chemical lab

Concentrated attractive blonde scientist working with microscope in laboratory

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

Adorable little girl in goggles with reagents in tubes in laboratory

Smiling bearded teacher and serious little student making experiment in lab

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