Succesvolle wetenschapper. Vrolijk verrukte uitstrijkje man zitten in zijn stoel en het houden van een reageerbuis terwijl ze blij zijn met zijn succes - Stockfoto’s en -afbeeldingen

Successful research. Happy positive delighted scientist sitting in front of the microscope and smiling while being happy about his research

Positive mood. Happy nice successful biologist holding a test tube and smiling while looking at you

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Hospital laboratory. Smart nice male scientist holing a syringe and looking at it while working in the hospital laboratory

Safety equipment. Happy nice positive chemist protective glasses and smiling while doling a scientific research

Professional lab. Smart confident male scientist standing cross handed and smiling while working in the lab

Scientific breakthrough. Jolly gay male laboratorian wearing safety glass while cultivating plant in vial and smiling

No more need. Merry gay male laboratorian wearing safety glasses while smiling and looking at bulb

Creative method. Attractive bearded male laboratorian dressing in safety glasses while grinning and staring at bulb

More samples. Merry gay male laboratorian grinning while getting vial and putting on safety glasses

Successful experiment. Selective focus of male hand carried vial filled with liquid and man putting on safety glasses and grinning

Scientific research. Smart nice positive woman looking at the tablet screen and working while doing a research

Excellent work. Professional bearded man assisted little girl conducting experiment while exchanging high five

In the lab. Joyful positive nice boy looking into the microscope and smiling while being curious about science