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    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.
    Two teenage boys sitting in room and using electronic devices — Stock Photo
    Two teenage boys sitting in room and using electronic devices
    Mother explaining daughter about circuit board in office. — Stock Photo
    Mother explaining daughter about circuit board in office.
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Pollen grains of a common daisy — Stock Photo
    Pollen grains of a common daisy
    Couple using digital tablet in kitchen — Stock Photo
    Couple using digital tablet in kitchen
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Happy senior couple using digital tablet on porch — Stock Photo
    Happy senior couple using digital tablet on porch
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    Enthusiastic designers high-fiving, celebrating in workshop — Stock Photo
    Enthusiastic designers high-fiving, celebrating in workshop
    Man drinking coffee and using digital tablet on sunny lakeside dock — Stock Photo
    Man drinking coffee and using digital tablet on sunny lakeside dock
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice — Stock Photo
    Mouse mammary tumour virus (MMTV) particles (blue), coloured transmission electron micrograph (TEM). MMTV induces malignant tumours in the mammary glands of certain strains of laboratory mice
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Micrograph of house fly — Stock Photo
    Micrograph of house fly
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Man using electronic cigarette — Stock Photo
    Man using electronic cigarette
    Brother and sister sharing digital tablet under sheet — Stock Photo
    Brother and sister sharing digital tablet under sheet
    Women in Social Distancing doing DIY at home — Stock Photo
    Women in Social Distancing doing DIY at home
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Tendon showing bundles of collagen fibres — Stock Photo
    Tendon showing bundles of collagen fibres
    Smiling woman with red hair using digital tablet on cabin balcony — Stock Photo
    Smiling woman with red hair using digital tablet on cabin balcony
    Laptop repairing machine in an electronic service centre — Stock Photo
    Laptop repairing machine in an electronic service centre
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast.
    Human head louse on human hair — Stock Photo
    Human head louse on human hair
    Girl using digital tablet in airport departure area — Stock Photo
    Girl using digital tablet in airport departure area
    Teenage friends hanging out using digital tablet — Stock Photo
    Teenage friends hanging out using digital tablet
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Architects working on a green construction project — Stock Photo
    Architects working on a green construction project
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Father and son using digital tablet — Stock Photo
    Father and son using digital tablet
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Woman practicing yoga with laptop computer at her home — Stock Photo
    Woman practicing yoga with laptop computer at her home
    Chinese couple buying air conditioner in electronics store — Stock Photo
    Chinese couple buying air conditioner in electronics store
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM). — Stock Photo
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM).
    Interior of an electronic service centre — Stock Photo
    Interior of an electronic service centre
    Pregnant couple laying using digital tablet in living room — Stock Photo
    Pregnant couple laying using digital tablet in living room
    Colored scanning electron micrograph of microstructures formed on nickel surface. — Stock Photo
    Colored scanning electron micrograph of microstructures formed on nickel surface.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Caucasian man using digital tablet outdoors — Stock Photo
    Caucasian man using digital tablet outdoors
    Man listening to headphones with mp3 player at sidewalk cafe — Stock Photo
    Man listening to headphones with mp3 player at sidewalk cafe
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Father and daughters using electronic devices in living room at home — Stock Photo
    Father and daughters using electronic devices in living room at home
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM). — Stock Photo
    Trachea (wind pipe) lining, coloured scanning electron micrograph (SEM).
    Eyelash follicle, coloured scanning electron micrograph (SEM). — Stock Photo
    Eyelash follicle, coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Portrait cool stylish young man vaping in dark — Stock Photo
    Portrait cool stylish young man vaping in dark
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food — Stock Photo
    Intestinal lining. Coloured scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( yellow) is exposed to food
    Multi-generation men relaxing on blanket in backyard — Stock Photo
    Multi-generation men relaxing on blanket in backyard
    Multi-generation women using digital tablet on daybed — Stock Photo
    Multi-generation women using digital tablet on daybed