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    Enthusiastic friends taking selfie with digital tablet on bus — Stock Photo
    Enthusiastic friends taking selfie with digital tablet on bus
    Boy with laptop sitting on pile of books — Stock Photo
    Boy with laptop sitting on pile of books
    Senior couple paying bills at laptop in kitchen — Stock Photo
    Senior couple paying bills at laptop in kitchen
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Mixed oral bacteria — Stock Photo
    Mixed oral bacteria
    Epithelial lining of Fallopian tube — Stock Photo
    Epithelial lining of Fallopian tube
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Women sitting on the staircase at Retiro Park, Spain — Stock Photo
    Women sitting on the staircase at Retiro Park, Spain
    House dust mite — Stock Photo
    House dust mite
    Relaxed woman reading electronic book at home — Stock Photo
    Relaxed woman reading electronic book at home
    Woman practicing yoga with laptop computer at her home — Stock Photo
    Woman practicing yoga with laptop computer at her home
    Asparagus pollen grains — Stock Photo
    Asparagus pollen grains
    Close up of woman using digital tablet in bed — Stock Photo
    Close up of woman using digital tablet in bed
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Businessman using digital tablet at sidewalk cafe in Venice — Stock Photo
    Businessman using digital tablet at sidewalk cafe in Venice
    Venule. Coloured transmission electron micrograph (TEM). Venules are small veins that transport deoxygenated blood from the capillary beds to the veins. Endothelial cells line the entire circulatory system — Stock Photo
    Venule. Coloured transmission electron micrograph (TEM). Venules are small veins that transport deoxygenated blood from the capillary beds to the veins. Endothelial cells line the entire circulatory system
    Red blood cells — Stock Photo
    Red blood cells
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Influenza viruses budding from host cell — Stock Photo
    Influenza viruses budding from host cell
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Red blood cells with fibrin — Stock Photo
    Red blood cells with fibrin
    Senior caucasian man using digital tablet in garden — Stock Photo
    Senior caucasian man using digital tablet in garden
    Male computer programmer programming electronics in workshop — Stock Photo
    Male computer programmer programming electronics in workshop
    Fly head anatomy — Stock Photo
    Fly head anatomy
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Laboratory technician using electronic device in blood bank — Stock Photo
    Laboratory technician using electronic device in blood bank
    Coxsackie viruse particles. — Stock Photo
    Coxsackie viruse particles.
    Couple reading book and digital tablet in bed — Stock Photo
    Couple reading book and digital tablet in bed
    Young man using digital tablet while sitting in cafe with cup of coffee. — Stock Photo
    Young man using digital tablet while sitting in cafe with cup of coffee.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms. — Stock Photo
    Colored scanning electron micrograph of shelled amoebae, single-celled protozoan organisms.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Woman practicing yoga with laptop computer at her home — Stock Photo
    Woman practicing yoga with laptop computer at her home
    Portrait of smiling man using digital tablet — Stock Photo
    Portrait of smiling man using digital tablet
    Old electronics stacked for recycling. — Stock Photo
    Old electronics stacked for recycling.
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Crystalline lens of the eye — Stock Photo
    Crystalline lens of the eye
    Woman buying potted plant in garden centre — Stock Photo
    Woman buying potted plant in garden centre
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Heart strings strings — Stock Photo
    Heart strings strings
    Happy young woman using digital tablet — Stock Photo
    Happy young woman using digital tablet
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Red blood cells — Stock Photo
    Red blood cells
    Smiling man laying on bed and using digital tablet — Stock Photo
    Smiling man laying on bed and using digital tablet
    Male electrician students practicing in workshop — Stock Photo
    Male electrician students practicing in workshop
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Micrograph of tendon fibres — Stock Photo
    Micrograph of tendon fibres
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow)
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen — Stock Photo
    Striated muscle. Coloured transmission electron micrograph (TEM) of a longitudinal section through striated skeletal muscle. The striated banding-pattern of the muscle fibrils is seen
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Business people sharing digital tablet in meeting — Stock Photo
    Business people sharing digital tablet in meeting