Scienziati confusi e perplessi che guardano i risultati del laboratorio. Fondo bianco . - Foto e immagini stock

Scientists or doctors in lab reading strange test results.

Handsome medical doctor in the laboratory. Scientists working in the background. Isolated.

Group of doctors reading test results. Isolated on white.

Three enthusiastic scientists (or doctors) giving a big thumbsup, happy they have had a breakthrough. Isolated.

Chemical laboratory with two scientist working with test tubes and microscope

Teen girl in science class looks through microscope and writes down her observations. White background.

School boy in the school laboratory, looking through a microscope. White background.

Young school boy in science class, looking through the microscope. Isolated on white.

Cute little boy in science class sorts through microscope slides. The top one is labeled pollen. White background.

Science teacher working with a teenage girl in the laboratory. Isolated on white.

Middle school teacher and student examine a microscope slide in science class. Isolated on white.

School children working together on a science project. White background.

Friendly high school science teacher assists one of her students looking through the microscope. Isolated on white.

School kids in science class using microscope. Isolated on white.

Kids in science class looking through microscope and taking notes.

Two kids doing science experiment in chemistry class. White background.

Children doing science experiments in school. Isolated on white.

Little boy learning science, mixing chemicals in the school laboratory. White background.