Woman in laboratory with liquid chemicals. Clip. Scientist conducts experiments in laboratory. Studying and experimenting with chemical
Studying of moldy plants in a laboratory
Study of plant seeds at a laboratory
Tracking shot of group of three chemists working in laboratory and studying chemical reactions, one adding drops of liquid to plant specimen and studying it with microscope
woman scientist is experimenting in chemical laboratory, studying chemical reaction, creating and producing drugs
Researcher prepares to conduct chemical experiment in laboratory. Laboratory assistant working at chemical plant is preparing to conduct
Lab assistants in a laboratory are studying plants
Lab assistants in a laboratory are studying plants
Medium shot of scientist studying plant sample in microscope in laboratory
Medium shot of scientist studying plant sample in microscope in laboratory
Medium shot of scientist studying plant sample in microscope in laboratory