Σημαντικό υγρά. Ενθουσιώδης μέσης ηλικίας επιστήμονας αίσθημα ενθουσιασμένος και χαμογελαστά, κρατώντας ένα μπουκάλι με μπλε υγρό στο επίπεδο των ματιών - Φωτογραφίες & Εικόνες Αρχείου

Blue liquid. Enthusiastic clever scientist carefully holding a flask with blue liquid in it and feeling satisfied with his invention

Happy scientist. Clever experienced enthusiastic scientist feeling optimistic and smiling while using a pipette for working with liquids

Herb in a test tube. Calm attentive professional biologist wearing protective glasses and looking at the little rare herb in a test tube

Serious medical worker. Calm qualified doctor carefully holding a brain miniature and thoughtfully looking at it

Transparent board. Clever professional chemist writing chemical formula on the transparent board while working in the lab

Happy scientists. Emotional clever scientist holding samples in tin test tubes and smiling while his cheerful colleague sitting near

Amazing blue liquid. Enthusiastic middle aged scientist wearing protective glasses and feeling impressed while looking at the blue liquid in a bottle

Scientific study. Pleased blonde keeping smile on her face while working in scientific laboratory

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

Biological test sample. Selective focus of a test tube being held by a nice smart professional scientist while taking a biological test sample

Side view of a pensive medical student holding a clipboard and a pencil in his hands

It is my project. Cheerful lab assistant keeping smile on face and sitting at her workplace in semi position while working with computer

Biological engineering. Smart pleasant intelligent scientist standing in the lab and holding a test tube with the vaccine while testing it

Genetics experts. Smiling grey-haired experienced researcher wearing glasses and holding a tablet while discussing genetics with a happy young promising scientist and a man working with a microscope

Let me check. Attentive brunette in face mask looking at test-tube leaning his right hand on the table while sitting in semi position