Close-up shot of scientist hand giving to a hamster organic material to eat in chemistry lab during the experiment
Chemistry lab: female scientist giving hamster organic material to eat and then writing her observations
Experiment with mouse in modern chemistry laboratory: scientist giving organic material with surgical pincers. In the background - different test-tubes and flask.
Close up of a Scientist working in a medical laboratory conducting experiments
Black research scientist dropping chemical liquid on plant leaf and then giving it to the hamster. She is surprised with the course of the experiment in chemistry lab.
Close up view of scientist conducting research, experimenting on rat in Laboratory
Black female scientist dropping fertilizer on leaf and giving to the hamster in chemistry lab while her collegue providing some other experiment.
Darkhaired scientist conducting an experiment
Scientist women conducting an experiment
Female scientist conducting an experiment
Close-up of scientist cleaning steel material with with forceps during experiment.
Close-up of hamster in glass container. Scientists conducting animal experiment in chemistry lab.