Leraren kijken naar kleine student in beschermende bril met kolf in lab - Stockfoto’s en -afbeeldingen

Adult scientists and little girl in goggles with tubes in laboratory

Young female scientists working with reagents in chemical laboratory

Teacher and student in white coats making experiment in laboratory

Two adult scientists and little student making experiment in chemical lab

Two young female scientists working in chemical laboratory

Two young female scientists making experiment in chemical laboratory

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

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Caucasian scientist working with microscope while her colleague looking at flask behind in chemical laboratory

Smiling chemist in protective eyeglasses holding test tube with reagent in lab

Smiling chemist in white coat holding test tubes with reagents and making experiment

Caucasian smiling chemist in white coat working with microscope and reagents while in chemical lab

Attractive middle aged scientist working with microscope in chemical lab

Professional chemists in uniform working in lab with computer mouse and keyboard

Professional scientist in protective eyeglasses making experiment with reagents in test tubes