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    Grandmother helping granddaughter with homework in kitchen at home — Stock Photo
    Grandmother helping granddaughter with homework in kitchen at home
    Red tree coral on reef — Stock Photo
    Red tree coral on reef
    Female students researching sample in laboratory. — Stock Photo
    Female students researching sample in laboratory.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Smart girl experimenting with molecule at home — Stock Photo
    Smart girl experimenting with molecule at home
    Empty hospital bed on hospital ward — Stock Photo
    Empty hospital bed on hospital ward
    Bottles of green liquid and green pearls on a table — Stock Photo
    Bottles of green liquid and green pearls on a table
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Red tree coral on reef — Stock Photo
    Red tree coral on reef
    Standardized volume pipettes with bulbs, close-up. — Stock Photo
    Standardized volume pipettes with bulbs, close-up.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Fungi releasing allergic spores, 3d digital illustration.
    Abstract fungi releasing allergic spores, 3d digital illustration. — Stock Photo
    Abstract fungi releasing allergic spores, 3d digital illustration.
    Small polyps feeding — Stock Photo
    Small polyps feeding
    Chromodoris kuniei nudibranch — Stock Photo
    Chromodoris kuniei nudibranch
    Gorgonian sea fan polyps — Stock Photo
    Gorgonian sea fan polyps
    Mating flamingo tongue snails — Stock Photo
    Mating flamingo tongue snails
    Close-up of cell culture plates on white background. — Stock Photo
    Close-up of cell culture plates on white background.
    Abstract animal cells, digital illustration. — Stock Photo
    Abstract animal cells, digital illustration.
    Seedlings growing in stacked petri dishes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in stacked petri dishes, conceptual image of plant research and genetic engineering.
    Pharmaceutical variety of medicine capsules in petri dishes. — Stock Photo
    Pharmaceutical variety of medicine capsules in petri dishes.
    Sprouting beans in petri dishes on white background. — Stock Photo
    Sprouting beans in petri dishes on white background.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Violet drink in a bottle — Stock Photo
    Violet drink in a bottle
    Helical DNA molecules, digital illustration. — Stock Photo
    Helical DNA molecules, digital illustration.
    Liquids of different colors in sample vials in laboratory. — Stock Photo
    Liquids of different colors in sample vials in laboratory.
    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 Grand Meteore, storage room for food — 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 Grand Meteore, storage room for food
    Hypothetical alien life form — Stock Photo
    Hypothetical alien life form
    Hard coral polyps — Stock Photo
    Hard coral polyps
    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
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Sharknose goby on hard coral — Stock Photo
    Sharknose goby on hard coral
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Sprouting beans in petri dishes on white background. — Stock Photo
    Sprouting beans in petri dishes on white background.
    Colored DNA double helix molecule, digital illustration. — Stock Photo
    Colored DNA double helix molecule, digital illustration.
    Abstract animal cell on blue background, digital illustration. — Stock Photo
    Abstract animal cell on blue background, digital illustration.
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    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
    Mouth of crinoid feather star — Stock Photo
    Mouth of crinoid feather star
    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 Nicolas — 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 Nicolas
    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
    DNA molecule on gray background, conceptual illustration. — Stock Photo
    DNA molecule on gray background, conceptual illustration.
    DNA autoradiogram in petri dish in laboratory, close-up. — Stock Photo
    DNA autoradiogram in petri dish in laboratory, close-up.
    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.
    Life science technicians using micropipette in laboratory. — Stock Photo
    Life science technicians using micropipette in laboratory.
    Scientist hand holding test tube with seedlings, conceptual image of plant research and genetic engineering. — Stock Photo
    Scientist hand holding test tube with seedlings, conceptual image of plant research and genetic engineering.
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering.
    Pipette dropping liquid to vials. — Stock Photo
    Pipette dropping liquid to vials.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Female researcher using micropipette and tubes in laboratory, close-up. — Stock Photo
    Female researcher using micropipette and tubes in laboratory, close-up.
    Glass containers on table at laboratory — Stock Photo
    Glass containers on table at laboratory
    Yellow tube coral polyps — Stock Photo
    Yellow tube coral polyps
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Close-up of pipettes in stand on desk — Stock Photo
    Close-up of pipettes in stand on desk
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Young female scientist doing experiment with liquid in laboratory. — Stock Photo
    Young female scientist doing experiment with liquid in laboratory.
    Myanmar, Mandalay area, Mount Popa buddhist site on volcanic cliff — Stock Photo
    Myanmar, Mandalay area, Mount Popa buddhist site on volcanic cliff