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    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Senior man using digital tablet on patio — Stock Photo
    Senior man using digital tablet on patio
    Business people talking in meeting in modern office — Stock Photo
    Business people talking in meeting in modern office
    Laptop repairing machine in an electronic service centre — Stock Photo
    Laptop repairing machine in an electronic service centre
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle. — Stock Photo
    Dog hair, coloured scanning electron micrograph (SEM).In dogs several hairs emerge from a single follicle.
    Son helping senior father paying bills at laptop — Stock Photo
    Son helping senior father paying bills at laptop
    Family using electronics gadget — Stock Photo
    Family using electronics gadget
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ.
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull. — Stock Photo
    Colored scanning electron micrograph of cancellous bone tissue from starling bird skull.
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Boy and a girl using electronic gadgets at home — Stock Photo
    Boy and a girl using electronic gadgets at home
    Casual businessman with headphones and digital tablet — Stock Photo
    Casual businessman with headphones and digital tablet
    Senior caucasian man using digital tablet in garden — Stock Photo
    Senior caucasian man using digital tablet in garden
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Primrose (Primula sp.) pollen grain, coloured scanning electron micrograph (SEM).
    Desk with various equipment in an electronics repair centre — Stock Photo
    Desk with various equipment in an electronics repair centre
    Woman relaxing at home with smartphone — Stock Photo
    Woman relaxing at home with smartphone
    Baby boy engrossed with an electronic tablet — Stock Photo
    Baby boy engrossed with an electronic tablet
    Contemporary professional microscope with powerful lenses placed on table in modern equipped lab — Stock Photo
    Contemporary professional microscope with powerful lenses placed on table in modern equipped lab
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Human hair with dandruff, coloured scanning electron micrograph (SEM). — Stock Photo
    Human hair with dandruff, coloured scanning electron micrograph (SEM).
    House dust mites — Stock Photo
    House dust mites
    Prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Prostate cancer cells, coloured scanning electron micrograph.
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres.
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Human eyelash mites — Stock Photo
    Human eyelash mites
    Businesswoman using digital tablet in restaurant — Stock Photo
    Businesswoman using digital tablet in restaurant
    Side view of happy black woman using smartphone — Stock Photo
    Side view of happy black woman using smartphone
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Human blood cells — Stock Photo
    Human blood cells
    Close up portrait of smiling woman using digital tablet — Stock Photo
    Close up portrait of smiling woman using digital tablet
    Desk with various equipment in an electronics repair centre — Stock Photo
    Desk with various equipment in an electronics repair centre
    House dust mites — Stock Photo
    House dust mites
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Woman reading digital tablet on beach mat — Stock Photo
    Woman reading digital tablet on beach mat
    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
    Human tooth fractured enamel, coloured scanning electron micrograph (SEM). — Stock Photo
    Human tooth fractured enamel, coloured scanning electron micrograph (SEM).
    Young woman with headphones and credit card online shopping at laptop on living room sofa — Stock Photo
    Young woman with headphones and credit card online shopping at laptop on living room sofa
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    Bird bone tissue — Stock Photo
    Bird bone tissue
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    White blood cells — Stock Photo
    White blood cells
    Businessmen drinking coffee using digital tablet at urban sidewalk cafe — Stock Photo
    Businessmen drinking coffee using digital tablet at urban sidewalk cafe
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Coloured scanning electron micrograph of human cancellous spongy bone tissue. — Stock Photo
    Coloured scanning electron micrograph of human cancellous spongy bone tissue.
    Woman in bathrobe laying on bed using digital tablet — Stock Photo
    Woman in bathrobe laying on bed using digital tablet
    Group of friends looking at the tablet, Spain — Stock Photo
    Group of friends looking at the tablet, Spain
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Man using credit card and laptop computer shopping online at home — Stock Photo
    Man using credit card and laptop computer shopping online at home
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats — Stock Photo
    Gastrotrich eggs. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich eggs. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats