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    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Ethnic child talking to sibling looking through binoculars against tree trunks while exploring forest in daylight — Stock Photo
    Ethnic child talking to sibling looking through binoculars against tree trunks while exploring forest in daylight
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    Media student using smart phone — Stock Photo
    Media student using smart phone
    Close-up of DNA autoradiogram on white background. — Stock Photo
    Close-up of DNA autoradiogram on white background.
    Young male researcher looking at sample under microscope. — Stock Photo
    Young male researcher looking at sample under microscope.
    Student with marker explaining information for smiling classmate while working on homework assignment together against whiteboard — Stock Photo
    Student with marker explaining information for smiling classmate while working on homework assignment together against whiteboard
    Front view of a young Asian female student wearing a turban using a tablet computer and studying in a library — Stock Photo
    Front view of a young Asian female student wearing a turban using a tablet computer and studying in a library
    Two female colleagues working with papers and laptop at office — Stock Photo
    Two female colleagues working with papers and laptop at office
    A woman professor sits in her office at a desk smiling — Stock Photo
    A woman professor sits in her office at a desk smiling
    Researcher in white costume looking at camera and standing with arms crossed in laboratory. — Stock Photo
    Researcher in white costume looking at camera and standing with arms crossed in laboratory.
    Scientists in lab coats talking in modern office lobby corridor — Stock Photo
    Scientists in lab coats talking in modern office lobby corridor
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    Two women working with essential oils — Stock Photo
    Two women working with essential oils
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Content curly woman looking away walking between bookshelves in library of Texas — Stock Photo
    Content curly woman looking away walking between bookshelves in library of Texas
    Biologist working with microscope with colleague in background — Stock Photo
    Biologist working with microscope with colleague in background
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library — Stock Photo
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Examining cultured cells under microscope, close-up. — Stock Photo
    Examining cultured cells under microscope, close-up.
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Scientist putting on protective mask in laboratory. — Stock Photo
    Scientist putting on protective mask in laboratory.
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom — Stock Photo
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    Young college students writing on book at desk while sitting classroom — Stock Photo
    Young college students writing on book at desk while sitting classroom
    Conceptual banana in an orange skin — Stock Photo
    Conceptual banana in an orange skin
    3d illustration of cross-section of ebola pathogen. — Stock Photo
    3d illustration of cross-section of ebola pathogen.
    Polar research vessel near Grytviken shore on South Georgia. — Stock Photo
    Polar research vessel near Grytviken shore on South Georgia.
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Hand holding green book — Stock Photo
    Hand holding green book
    Female working at laptop with medical vials — Stock Photo
    Female working at laptop with medical vials
    Hands of scientist researching sample in petri dish under light microscope. — Stock Photo
    Hands of scientist researching sample in petri dish under light microscope.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Laboratory assistant using electronic pipette. — Stock Photo
    Laboratory assistant using electronic pipette.
    Top view of microbes growing on agar plate on plain background. — Stock Photo
    Top view of microbes growing on agar plate on plain background.
    DNA home test kit. — Stock Photo
    DNA home test kit.
    Female scientists with pipette tray talking in laboratory — Stock Photo
    Female scientists with pipette tray talking in laboratory
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Planet Earth in outer space with Moon, atmosphere and sunlight. — Stock Photo
    Planet Earth in outer space with Moon, atmosphere and sunlight.
    Scientist observing chemical experiment in laboratory. — Stock Photo
    Scientist observing chemical experiment in laboratory.
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory — Stock Photo
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory
    Instructor training students about air conditioning units in HVAC classroom — Stock Photo
    Instructor training students about air conditioning units in HVAC classroom
    Male teacher and students researching at computer in library — Stock Photo
    Male teacher and students researching at computer in library
    Teenage female student looking at laptop while studying at desk in classroom — Stock Photo
    Teenage female student looking at laptop while studying at desk in classroom
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Female technician using digital tablet at meat factory — Stock Photo
    Female technician using digital tablet at meat factory
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Side view calm young brunet in casual wear and wireless headset browsing contemporary computer with blank screen while sitting at table in dark room — Stock Photo
    Side view calm young brunet in casual wear and wireless headset browsing contemporary computer with blank screen while sitting at table in dark room
    Various food produce in test tubes, studio shot. — Stock Photo
    Various food produce in test tubes, studio shot.
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    DNA molecule structure — Stock Photo
    DNA molecule structure
    Teenage girl using digital tablet while standing by desk in lab — Stock Photo
    Teenage girl using digital tablet while standing by desk in lab
    Scientific laboratory researcher making chemical experiment. — Stock Photo
    Scientific laboratory researcher making chemical experiment.
    Pills in a Petri dish — Stock Photo
    Pills in a Petri dish
    Agar plate and specimen brush on blue background. — Stock Photo
    Agar plate and specimen brush on blue background.
    Young college students practicing experiment in lab — Stock Photo
    Young college students practicing experiment in lab
    Female scientist agitating yellow liquid in flask. — Stock Photo
    Female scientist agitating yellow liquid in flask.
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.