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    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Archaeology researcher in laboratory measuring antler with digital caliper. — Stock Photo
    Archaeology researcher in laboratory measuring antler with digital caliper.
    Midsection of archaeologist reconstructing broken pottery in laboratory. — Stock Photo
    Midsection of archaeologist reconstructing broken pottery in laboratory.
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Instructor discussing fuel mixture controls for furnace in HVAC classroom while one student in wheelchair taking notes — Stock Photo
    Instructor discussing fuel mixture controls for furnace in HVAC classroom while one student in wheelchair taking notes
    Female laboratory assistant holding chemical flask. — Stock Photo
    Female laboratory assistant holding chemical flask.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Lab assistant using multi pipette and multiwell. — Stock Photo
    Lab assistant using multi pipette and multiwell.
    Portrait confident students holding molecular structures in laboratory classroom — Stock Photo
    Portrait confident students holding molecular structures in laboratory classroom
    Green vegetables in test tubes, studio shot. — Stock Photo
    Green vegetables in test tubes, studio shot.
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering.
    Close-up of two-colored medicine capsule in tweezers above petri dish, pharmaceutical research. — Stock Photo
    Close-up of two-colored medicine capsule in tweezers above petri dish, pharmaceutical research.
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Close-up of male scientist adjusting pressure gauge of cylinder in laboratory — Stock Photo
    Close-up of male scientist adjusting pressure gauge of cylinder in laboratory
    Male scientist in face mask holding syringe. — Stock Photo
    Male scientist in face mask holding syringe.
    Top view of microbes growing on agar plate. — Stock Photo
    Top view of microbes growing on agar plate.
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory.
    Scientist pipetting sample into vial in laboratory. — Stock Photo
    Scientist pipetting sample into vial in laboratory.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    3d illustration of cryopreserved foetus frozen into ice cube held by metal pliers. — Stock Photo
    3d illustration of cryopreserved foetus frozen into ice cube held by metal pliers.
    Close-up of female hand reaching for lab coat. — Stock Photo
    Close-up of female hand reaching for lab coat.
    From above of microscope near computer with open program on screen in vet laboratory — Stock Photo
    From above of microscope near computer with open program on screen in vet laboratory
    Female laboratory assistant holding chemical flask. — Stock Photo
    Female laboratory assistant holding chemical flask.
    Student in wheelchair examining furnace ignitor in HVAC classroom — Stock Photo
    Student in wheelchair examining furnace ignitor in HVAC classroom
    Female digital forensic expert examining computer hard drive with electronic equipment in police science laboratory. — Stock Photo
    Female digital forensic expert examining computer hard drive with electronic equipment in police science laboratory.
    Close-up of person hand holding petri dish with liquid for biological research. — Stock Photo
    Close-up of person hand holding petri dish with liquid for biological research.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    3d illustration of egg cell frozen into ice cube. — Stock Photo
    3d illustration of egg cell frozen into ice cube.
    Boy student examining DNA model in classroom — Stock Photo
    Boy student examining DNA model in classroom
    Female laboratory assistant using mini centrifuge. — Stock Photo
    Female laboratory assistant using mini centrifuge.
    Female scientist using laptop at corridor — Stock Photo
    Female scientist using laptop at corridor
    Wheat grains in petri dish with laboratory equipment for food research. — Stock Photo
    Wheat grains in petri dish with laboratory equipment for food research.
    Male laboratory assistant using pipette. — Stock Photo
    Male laboratory assistant using pipette.
    University students performing experiment in lab — Stock Photo
    University students performing experiment in lab
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Mature scientist using light microscope in laboratory. — Stock Photo
    Mature scientist using light microscope in laboratory.
    Close-up of two-colored medicine capsule in tweezers, pharmaceutical research. — Stock Photo
    Close-up of two-colored medicine capsule in tweezers, pharmaceutical research.
    Woman reading file while practicing experiment in lab — Stock Photo
    Woman reading file while practicing experiment in lab
    Female scientists making notes in lab — Stock Photo
    Female scientists making notes in lab
    Seedlings growing in laboratory glassware, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory glassware, conceptual image of plant research and genetic engineering.
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab — Stock Photo
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab
    Workers in protective suits using machinery in fiber optics research and testing laboratory — Stock Photo
    Workers in protective suits using machinery in fiber optics research and testing laboratory
    Scientist analyzing a sample in a test tube at lab — Stock Photo
    Scientist analyzing a sample in a test tube at lab
    Scientist using a machine for experiment in lab — Stock Photo
    Scientist using a machine for experiment in lab
    Female scientist holding tube with blood sample. — Stock Photo
    Female scientist holding tube with blood sample.
    Forensic scientist measuring knife blade as forensic evidence. — Stock Photo
    Forensic scientist measuring knife blade as forensic evidence.
    Close-up of male scientist working in laboratory — Stock Photo
    Close-up of male scientist working in laboratory
    Archaeologists analyzing human skull in DNA archaeology lab. — Stock Photo
    Archaeologists analyzing human skull in DNA archaeology lab.
    Close-up of microbes and fungus growing on agar plate on white background. — Stock Photo
    Close-up of microbes and fungus growing on agar plate on white background.
    Light microscope on laboratory bench. — Stock Photo
    Light microscope on laboratory bench.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Specimens in rack on laboratory counter — Stock Photo
    Specimens in rack on laboratory counter
    Close up of microscope in laboratory — Stock Photo
    Close up of microscope in laboratory
    Archaeologists measuring ancient loom weights on digital scale in laboratory. — Stock Photo
    Archaeologists measuring ancient loom weights on digital scale in laboratory.
    University students using digital tablet while doing experiment on microscope in laboratory at college — Stock Photo
    University students using digital tablet while doing experiment on microscope in laboratory at college
    Female laboratory assistant using mini centrifuge. — Stock Photo
    Female laboratory assistant using mini centrifuge.
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.