Lékařský objev. Potěšen šedovlasý vousatý laboratorní asistent stisknutí rty zatímco sedí v semifinále pozici a při pohledu na obrazovce svého notebooku - Stock fotografie a obrázky

Need to think. Competent bearded lab worker wrinkling forehead and pressing lips while looking at computer

Be very attentive. Serious practitioner sitting in semi position and keeping right eye closed while examining molecule

Ready to work. Confident man sitting in semi position and typing text while looking at camera

No right for a mistake. Mature gentleman focusing his attention on a screen of a laptop while sitting in a laboratory and analyzing samples under a microscope.

Daily routine. Waist up shot of a male lab worker looking into the camera while browsing his laptop and looking at samples under a microscope.

Complete this task. Serious male person closing right eye and putting hand on table while working at important project

Close-up of a male scientific researcher using microscope in the laboratory

Online research. Professional smart experienced researcher sitting in front of the laptop and looking at its screen while doing an online research

Have idea. Cheerful bearded man wearing medical uniform and reading article online

My workplace. Attentive senior man sitting at his workplace while doing chemical experiment

Thoughtful researcher. Attentive bearded scientist wrinkling his forehead while looking at pink liquid

Protective gloves. Serious grey-haired man sitting in semi position and doing chemical experiment

Work time. Competent medical worker putting hands on computer pressing lips while looking into microscope

Be attentive. Cheerful mature medical worker looking at microscope while testing new equipment

Biological tests. Selective focus of a test sample of the liquid being used in biological research

Just look at it. Attractive brunette wearing blue rubber gloves and putting hands on the microscope while looking into it