Ritratto di scienziati sorridenti che lavorano con vetrino per microscopio in laboratorio - Foto e immagini stock

Happy adult scientists and little girl student working together in chemical lab and smiling at camera

Portrait of concentrated scientists looking at microscope slide in lab

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

We are the winners. Good looking happy nice girls smiling and holding the certificate while winning the scientific competition

Adult scientists and little girl in goggles with tubes in laboratory

Smiling teacher and student scientists working with molecular model and taking notes

Man teacher and girl student scientists making experiment in chemical lab

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

Portrait of cheerful scientist showing laboratory tubes and looking to camera

Young confident woman scientist in lab coat holding digital tablet and looking at camera

Portrait of smiling scientist showing laboratory tubes and looking to camera

Side view of concentrated woman scientist working with microscope in laboratory

Portrait of smiling scientists in uniforms holding laboratory tubes

Professional chemists in white coats inspecting test tube with reagent in lab

Professional chemists in white coats inspecting test tubes with reagents in lab

Portrait of smiling scientist working with microscope and looking to camera