Lächelnder Wissenschaftler mittleren Alters in Schutzbrille arbeitet mit Mikroskop und Kollege steht dahinter - Stockfoto & -bild

Smiling professional scientist in protective goggles working with microscope in chemical lab

Female researcher with equipment in the lab - soft focus

Attractive middle aged scientist working with microscope in chemical lab

Female scientist in a laboratory.photo with copy space

Scientist in medical mask and latex gloves holding electronic pipette near microscope and petri dishes in lab

Female scientist in a laboratory.photo with copy space

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

Adorable little girl in goggles with reagents in tubes in laboratory

Bearded teacher holding flask while little student looking in microscope

Concentrated attractive blonde scientist working with microscope in laboratory

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

Adorable little girl in goggles with reagents in tubes in laboratory

Two adult scientists and little student making experiment in chemical lab

Adorable little girl in goggles with reagents in tubes in laboratory

Smiling bearded teacher looking at little student making experiment in laboratory