two scientists show their appreciation by shaking hands or high-fiving each other after their long-standing scientific research

biotechnology concentration appreciation longstanding professional microbiology biochemistry researchers development scientists highfiving scientific successful laboratory microscope discussion protection experiment innovation occupation university handshake scientist chemistry expertise discovery analyzing workplace analysing research chemical medicine hospital analysis teamwork shaking chemist biology skilled science working glasses doctor liquid indoor health beaker hands signs happy study virus color show work high five test care coat tube blue two joy lab