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    Scientific laboratory researcher making chemical experiment. — Stock Photo
    Scientific laboratory researcher making chemical experiment.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Close-up view of needle inserted into vaccine vial. — Stock Photo
    Close-up view of needle inserted into vaccine vial.
    Grandmother helping granddaughter with homework in kitchen at home — Stock Photo
    Grandmother helping granddaughter with homework in kitchen at home
    Close up of scientific weight scale on table in lab — Stock Photo
    Close up of scientific weight scale on table in lab
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Mid section of girl experimenting molecule at home — Stock Photo
    Mid section of girl experimenting molecule at home
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Life science technicians using micropipette in laboratory. — Stock Photo
    Life science technicians using micropipette in laboratory.
    Glass flask with colorful pills of various shapes on blue background. — Stock Photo
    Glass flask with colorful pills of various shapes on blue background.
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century. — Stock Photo
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century.
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Kastraki village — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Kastraki village
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century. — Stock Photo
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Gymnodoris ceylonica nudibranch in Beqa Lagoon — Stock Photo
    Gymnodoris ceylonica nudibranch in Beqa Lagoon
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Monastery of Saint Trinity — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Monastery of Saint Trinity
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Colored DNA double helix molecule on white background, digital illustration. — Stock Photo
    Colored DNA double helix molecule on white background, digital illustration.
    Girl experimenting molecule model at home — Stock Photo
    Girl experimenting molecule model at home
    Close up of text tubes in rack at science lab — Stock Photo
    Close up of text tubes in rack at science lab
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Standardized volume pipettes with bulbs, close-up. — Stock Photo
    Standardized volume pipettes with bulbs, close-up.
    Abstract animal cells, digital illustration. — Stock Photo
    Abstract animal cells, digital illustration.
    Pharmaceutical variety of medicine capsules in petri dishes. — Stock Photo
    Pharmaceutical variety of medicine capsules in petri dishes.
    Crinoid sea lily fossil in gray rock surface. — Stock Photo
    Crinoid sea lily fossil in gray rock surface.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Syringe with spilled blood on white background. — Stock Photo
    Syringe with spilled blood on white background.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Abstract fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Abstract fungi releasing allergic spores, 3d digital illustration.
    Sprouting beans in petri dishes on white background. — Stock Photo
    Sprouting beans in petri dishes on white background.
    Attentive girl experimenting molecule at home — Stock Photo
    Attentive girl experimenting molecule at home
    Police evidence bag — Stock Photo
    Police evidence bag
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century. — Stock Photo
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century.
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    3d illustration of red transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of red transparent sperm cells swimming towards egg cell.
    Radio telescope antenna against blue sky — Stock Photo
    Radio telescope antenna against blue sky
    Laboratory glassware with red liquid. — Stock Photo
    Laboratory glassware with red liquid.
    Close-up view of laboratory glassware. — Stock Photo
    Close-up view of laboratory glassware.
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Biology laboratory scientist hands working with cell culture in flask. — Stock Photo
    Biology laboratory scientist hands working with cell culture in flask.
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, the Roussanou convent — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, the Roussanou convent
    3d illustration of sperm cells on blue background. — Stock Photo
    3d illustration of sperm cells on blue background.
    Soft coral revealing spicules — Stock Photo
    Soft coral revealing spicules
    Female scientist researching sample in laboratory. — Stock Photo
    Female scientist researching sample in laboratory.
    Seedlings growing in laboratory test plate, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test plate, conceptual image of plant research and genetic engineering.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Grandmother with her granddaughter looking through microscope in kitchen at home — Stock Photo
    Grandmother with her granddaughter looking through microscope in kitchen at home
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Close-up of microcentrifuge tubes with various samples. — Stock Photo
    Close-up of microcentrifuge tubes with various samples.
    Smart girl experimenting with molecule at home — Stock Photo
    Smart girl experimenting with molecule at home
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Laboratory storage box for eppendorf tubes. — Stock Photo
    Laboratory storage box for eppendorf tubes.