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    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Doctor wearing on woman eyesight testing spectacles. — Stock Photo
    Doctor wearing on woman eyesight testing spectacles.
    Brown beans in plastic cup for agriculture research, conceptual image. — Stock Photo
    Brown beans in plastic cup for agriculture research, conceptual image.
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Portrait smiling female engineer in protective suit with paperwork in fiber optics research and testing laboratory — Stock Photo
    Portrait smiling female engineer in protective suit with paperwork in fiber optics research and testing laboratory
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Wheat in petri dish, studio shot. — Stock Photo
    Wheat in petri dish, studio shot.
    Female designer texting virtual reality simulator glasses and using joystick in workshop — Stock Photo
    Female designer texting virtual reality simulator glasses and using joystick in workshop
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Close-up of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Close-up of immunologist performing skin prick allergy testing on boy.
    Stool culture, colorful image — Stock Photo
    Stool culture, colorful image
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    African American man working at a microbrewery pub, wearing white apron, holding a bottle of beer and looking straight into a camera. — Stock Photo
    African American man working at a microbrewery pub, wearing white apron, holding a bottle of beer and looking straight into a camera.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Person in latex glove holding test tube with ear of wheat — Stock Photo
    Person in latex glove holding test tube with ear of wheat
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Side view of Carpenter fixing door at home — Stock Photo
    Side view of Carpenter fixing door at home
    Hand in latex glove holding test tube with ear of wheat — Stock Photo
    Hand in latex glove holding test tube with ear of wheat
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Cropped image of staff examining egg in factory — Stock Photo
    Cropped image of staff examining egg in factory
    Computer programmers testing virtual reality simulators in office — Stock Photo
    Computer programmers testing virtual reality simulators in office
    Ophthalmologist performing visual field testing at female patient. — Stock Photo
    Ophthalmologist performing visual field testing at female patient.
    Urine sample in container for analysis, studio shot. — Stock Photo
    Urine sample in container for analysis, studio shot.
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    African American man wearing blue vest, holding a file and writing numbers while counting tanks in a storage space in a microbrewery. — Stock Photo
    African American man wearing blue vest, holding a file and writing numbers while counting tanks in a storage space in a microbrewery.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Female scientist examining fluid in beaker, rear view — Stock Photo
    Female scientist examining fluid in beaker, rear view
    Computer programmers testing virtual reality simulator glasses at computer in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses at computer in office
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Engineer holding dial calipers over blueprints on table. — Stock Photo
    Engineer holding dial calipers over blueprints on table.
    Water department technician installing a snow stake — Stock Photo
    Water department technician installing a snow stake
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Cropped image of worker examining eggs quality in lighting control in egg factory — Stock Photo
    Cropped image of worker examining eggs quality in lighting control in egg factory
    Scientist holding syringe over variety of pharmaceutical vials. — Stock Photo
    Scientist holding syringe over variety of pharmaceutical vials.
    Beautiful female staff examining egg in egg factory — Stock Photo
    Beautiful female staff examining egg in egg factory
    Biologist hand with protective glove holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hand with protective glove holding trowel with soil above samples separated in containers.
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Carpenter fixing door at home — Stock Photo
    Carpenter fixing door at home
    Adult Carpenter fixing door at home — Stock Photo
    Adult Carpenter fixing door at home
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Close-up of hands of scientist holding test tube. — Stock Photo
    Close-up of hands of scientist holding test tube.
    Wheat in plastic cup for agriculture research, conceptual image. — Stock Photo
    Wheat in plastic cup for agriculture research, conceptual image.
    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.