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    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Scientist working in pharmacy — Stock Photo
    Scientist working in pharmacy
    Female scientist pouring dissolved soil sample into chemistry beaker. — Stock Photo
    Female scientist pouring dissolved soil sample into chemistry beaker.
    Archaeology researcher performing lithics analysis with magnifying glass and measuring artifacts with straightedge tool. — Stock Photo
    Archaeology researcher performing lithics analysis with magnifying glass and measuring artifacts with straightedge tool.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Close-up of microtubes with red liquid and person fingers. — Stock Photo
    Close-up of microtubes with red liquid and person fingers.
    Male optometrist examining eye test equipment — Stock Photo
    Male optometrist examining eye test equipment
    Teacher and students using pipette and beakers at interactive exhibit in science center — Stock Photo
    Teacher and students using pipette and beakers at interactive exhibit in science center
    Portrait of male scientist with clipboard standing in lab — Stock Photo
    Portrait of male scientist with clipboard standing in lab
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Young female scientist with microscope in laboratory. — Stock Photo
    Young female scientist with microscope in laboratory.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Schoolboy examining leaves with magnifying glass in school laboratory. — Stock Photo
    Schoolboy examining leaves with magnifying glass in school laboratory.
    Technician checking stem cell cultures in bioengineering laboratory. — Stock Photo
    Technician checking stem cell cultures in bioengineering laboratory.
    Side view of scientist working in lab — Stock Photo
    Side view of scientist working in lab
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Digital forensic science technician examining computer hard drive with magnifying glass and taking notes in laboratory. — Stock Photo
    Digital forensic science technician examining computer hard drive with magnifying glass and taking notes in laboratory.
    Crop man applying substance on denture — Stock Photo
    Crop man applying substance on denture
    Cod liver oil capsules in conical flask. — Stock Photo
    Cod liver oil capsules in conical flask.
    Dentist picking color of denture — Stock Photo
    Dentist picking color of denture
    Racks of food samples in test tubes. — Stock Photo
    Racks of food samples in test tubes.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.