Δύο επιστήμονες αυτοπεποίθηση σε λευκό παλτό και γυαλιά βλέπει μακριά και θέτοντας σε χημικό εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Portrait of two scientists in uniform and goggles looking away and posing in chemical laboratory

Team of mature scientists working together in lab and looking at each other

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

Confident scientists in white coats looking at camera and posing in chemical laboratory

Professional researcher testing a sample in the laboratory, he is holding a test tube, medical and scientific reasearch concept

Cgroup of creative scientists working in modern laboratories.

Professional medical researcher working in the laboratory, he is examining samples

Biologists uniform. Good-looking alert smiling budding woman scientist wearing a uniform and glasses and holding a marker while being in the lab

Bearded teacher holding flask while little student looking in microscope

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

Teacher and student in lab coats examining green plant with soil in test tube

Smiling bearded teacher and serious little student making experiment in lab

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Two adult scientists and little student making experiment in chemical lab

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

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

Smiling bearded teacher and serious little student making experiment in lab