Ευτυχισμένος επιστήμονες. Συναισθηματικά έξυπνος επιστήμονας κρατώντας δείγματα σε κασσίτερου δοκιμαστικούς σωλήνες και χαμογελώντας ενώ χαρούμενα συνάδελφό του που κάθεται κοντά - Φωτογραφίες & Εικόνες Αρχείου

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

Happy chemists. Cheerful emotional chemists sitting together in a lab and smiling while looking at the blue liquid in a bottle

Herb in a test tube. Careful attentive biologist holding a test tube and smiling while looking at the herb in it

Positive working day. Cheerful happy scientist holding a test tube and smiling while looking at her colleague

Progressive research. Smart creative scientist talking to each other while developing a chemical formula

Friendly scientists. Cheerful experienced friendly scientists smiling while working with liquids in test tubes

Important liquids. Enthusiastic middle aged scientist feeling excited and smiling while holding a bottle with blue liquid at eye level

Chemical discovery. Positive intelligent chemists discussing a chemical formula while standing near the whiteboard

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

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

Look at this. Infatuated medical worker keeping smile on his face and pointing at test tubes while holding it in left hand

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

Supportive relations. Selective focus on a male scientist standing next to his colleague while pouring chemical liquid into a test tube and conducting a chemical experiment.

Lab assistant. Positive delighted blonde sitting at her workplace while doing analysis

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