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    Schoolboy doing science experiment in school chemistry laboratory. — Stock Photo
    Schoolboy doing science experiment in school chemistry laboratory.
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.
    Top view of unused syringe with needle pattern on blue background — Stock Photo
    Top view of unused syringe with needle pattern on blue background
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Fluid pouring into laboratory glassware. — Stock Photo
    Fluid pouring into laboratory glassware.
    Schoolboy putting leaves on microscope slide in school laboratory. — Stock Photo
    Schoolboy putting leaves on microscope slide in school laboratory.
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Crop unrecognizable scientist with plant in plastic tube on green background in studio — Stock Photo
    Crop unrecognizable scientist with plant in plastic tube on green background in studio
    Female students watching mentor conducting experiment in lab — Stock Photo
    Female students watching mentor conducting experiment in lab
    Top view of plants in glass flasks placed on yellow background with various leaves — Stock Photo
    Top view of plants in glass flasks placed on yellow background with various leaves
    Couple enjoying break with dog — Stock Photo
    Couple enjoying break with dog
    Schoolboy examining leaves with magnifying glass in school laboratory. — Stock Photo
    Schoolboy examining leaves with magnifying glass in school laboratory.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Male laboratory assistant holding chemical flask. — Stock Photo
    Male laboratory assistant holding chemical flask.
    African American male doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    African American male doctor in medical glove demonstrating test tube with blood sample on white background
    Man sitting on veranda drinking a cup of tea — Stock Photo
    Man sitting on veranda drinking a cup of tea
    Mid section of scientists doing experiment in lab — Stock Photo
    Mid section of scientists doing experiment in lab
    Female medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room — Stock Photo
    Female medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room
    Climber with rucksack standing in rugged terrain — Stock Photo
    Climber with rucksack standing in rugged terrain
    Female photographer pouring a chemical in flask at photo studio — Stock Photo
    Female photographer pouring a chemical in flask at photo studio
    Dried marijuana flower buds on table with analytical balance and moisture measuring device against protective glasses in lab — Stock Photo
    Dried marijuana flower buds on table with analytical balance and moisture measuring device against protective glasses in lab
    Scientist checking a solution in conical flask in lab — Stock Photo
    Scientist checking a solution in conical flask in lab
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.
    Mountaineer sitting in rugged terrain — Stock Photo
    Mountaineer sitting in rugged terrain
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Male scientist holding flask in laboratory — Stock Photo
    Male scientist holding flask in laboratory
    Side view of blonde girl with flask hanging on shoulder looking at compass in hand over lake on background — Stock Photo
    Side view of blonde girl with flask hanging on shoulder looking at compass in hand over lake on background
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background — Stock Photo
    Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background
    Mountaineer drinking from water bottle — Stock Photo
    Mountaineer drinking from water bottle
    Man in log cabin with coffee mug looking through window — Stock Photo
    Man in log cabin with coffee mug looking through window
    Mountaineer sitting over rocks in rugged terrain — Stock Photo
    Mountaineer sitting over rocks in rugged terrain
    Man pouring a hot drink from a flask — Stock Photo
    Man pouring a hot drink from a flask
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Workers pouring molten metal from flasks into moulds in foundry — Stock Photo
    Workers pouring molten metal from flasks into moulds in foundry
    Mid section of male worker experimenting gin in factory — Stock Photo
    Mid section of male worker experimenting gin in factory
    Female photographer pouring a chemical on lens cover in photo studio — Stock Photo
    Female photographer pouring a chemical on lens cover in photo studio
    Cropped unrecognizable female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak
    Biotechnology female scientist working in laboratory. — Stock Photo
    Biotechnology female scientist working in laboratory.
    Caucasian man wearing an apron checking gin product in flask at gin distillery. alcohol production and filtration concept — Stock Photo
    Caucasian man wearing an apron checking gin product in flask at gin distillery. alcohol production and filtration concept
    Lab technician adding liquid to graduated cylinder — Stock Photo
    Lab technician adding liquid to graduated cylinder
    Man poring hot water from flask in kitchen — Stock Photo
    Man poring hot water from flask in kitchen
    Chemical flask arranged on lab machine in laboratory — Stock Photo
    Chemical flask arranged on lab machine in laboratory
    Blurred unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room — Stock Photo
    Blurred unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room
    Low angle view of scientist holding glass flask in laboratory. — Stock Photo
    Low angle view of scientist holding glass flask in laboratory.
    Female medic in protective face shield mask and latex gloves with vial of coronavirus vaccine showing to camera while standing in hospital room — Stock Photo
    Female medic in protective face shield mask and latex gloves with vial of coronavirus vaccine showing to camera while standing in hospital room
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background — Stock Photo
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background
    Diverse man and woman holding digital tablet and flask checking equipment at gin distillery. alcohol production and filtration concept — Stock Photo
    Diverse man and woman holding digital tablet and flask checking equipment at gin distillery. alcohol production and filtration concept
    Thoughtful man using laptop at log cabin — Stock Photo
    Thoughtful man using laptop at log cabin
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Accident during experiment with broken laboratory glassware flask. — Stock Photo
    Accident during experiment with broken laboratory glassware flask.
    Beaker, volumetric pipette and clipboard on table in laboratory — Stock Photo
    Beaker, volumetric pipette and clipboard on table in laboratory
    Couple enjoying break with dogs — Stock Photo
    Couple enjoying break with dogs
    Group of fresh organic vegetables — Stock Photo
    Group of fresh organic vegetables
    Man sitting on a rock by a waterfall — Stock Photo
    Man sitting on a rock by a waterfall
    Caucasian man and african american woman checking gin product in flask at gin distillery. alcohol production and filtration concept — Stock Photo
    Caucasian man and african american woman checking gin product in flask at gin distillery. alcohol production and filtration concept
    Vials with scientific samples arranged on glass table — Stock Photo
    Vials with scientific samples arranged on glass table
    Woman sitting on tree trunk in woodland pouring drink from thermos flask — Stock Photo
    Woman sitting on tree trunk in woodland pouring drink from thermos flask
    Unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room — Stock Photo
    Unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room
    Scientist preparing chemical liquid in laboratory flask. — Stock Photo
    Scientist preparing chemical liquid in laboratory flask.