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    Illustration of Lactobacillus colony — Stock Photo
    Illustration of Lactobacillus colony
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Senior caucasian woman drinking cup of coffee — Stock Photo
    Senior caucasian woman drinking cup of coffee
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Man repairing an electronic device using soldering iron in service centre — Stock Photo
    Man repairing an electronic device using soldering iron in service centre
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph. — Stock Photo
    Human cell infected with Simian Immunodeficiency Virus from sooty mangabey, colored scanning electron micrograph.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Father and daughters using electronic devices in living room at home — Stock Photo
    Father and daughters using electronic devices in living room at home
    Senior man with calculator looking at investment chart on laptop — Stock Photo
    Senior man with calculator looking at investment chart on laptop
    Man working on desktop pc in an electronics repair centre — Stock Photo
    Man working on desktop pc in an electronics repair centre
    Mobile phone circuit board, full frame. — Stock Photo
    Mobile phone circuit board, full frame.
    Activated human macrophage — Stock Photo
    Activated human macrophage
    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
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Smiling couple with headphones using digital tablet — Stock Photo
    Smiling couple with headphones using digital tablet
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Smiling senior man using digital tablet on porch — Stock Photo
    Smiling senior man using digital tablet on porch
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). A pulmonary capillary containing two red blood cells (red) and three platelets (blue). A basement membrane (pink) surround the endothelium separating it from the alveolar epithelium
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Man vaping near a cup of fresh coffee while sitting at wooden table in countryside — Stock Photo
    Man vaping near a cup of fresh coffee while sitting at wooden table in countryside
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Zika virus particles — Stock Photo
    Zika virus particles
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    Woman using digital tablet at home — Stock Photo
    Woman using digital tablet at home
    Female copepod with eggs — Stock Photo
    Female copepod with eggs
    Father and son using digital tablet — Stock Photo
    Father and son using digital tablet
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona — Stock Photo
    Portrait of young woman in sunglasses smoking electronic cigarette on street in barcelona
    Radiolaria protozoa shells — Stock Photo
    Radiolaria protozoa shells
    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph. — Stock Photo
    Heart capillary with red blood cell between muscle fibres, colored scanning electron micrograph.
    Dividing prostate cancer cells, coloured scanning electron micrograph. — Stock Photo
    Dividing prostate cancer cells, coloured scanning electron micrograph.
    Young successful businessman using electronic devices and eating noodles — Stock Photo
    Young successful businessman using electronic devices and eating noodles
    Human blood cells — Stock Photo
    Human blood cells
    Man texting message on smartphone — Stock Photo
    Man texting message on smartphone
    Mobile phone circuit board, full frame. — Stock Photo
    Mobile phone circuit board, full frame.
    Young woman in wheelchair paying bills at laptop — Stock Photo
    Young woman in wheelchair paying bills at laptop
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Laboratory technician using electronic device in blood bank — Stock Photo
    Laboratory technician using electronic device in blood bank
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length — Stock Photo
    Komodo dragon skin, coloured scanning electron micrograph (SEM). The Komodo dragon (Varanus komodoensis) has armoured scaly skin. It is the largest lizard in the world, reaching over three metres in length
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms. — Stock Photo
    Colored scanning electron micrograph of coccoliths calcium carbonate plates from coccolithophore algal organisms.
    Side view of an Asian businesswoman using a virtual reality headset at desk in office — Stock Photo
    Side view of an Asian businesswoman using a virtual reality headset at desk in office
    Boy wearing headphones using digital tablet — Stock Photo
    Boy wearing headphones using digital tablet
    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.
    Son helping senior father paying bills at laptop — Stock Photo
    Son helping senior father paying bills at laptop
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot — Stock Photo
    Feet bacteria. Coloured scanning electron micrograph (SEM) of bacteria cultured from between toes of foot
    Businesswoman using digital tablet in cafeteria — Stock Photo
    Businesswoman using digital tablet in cafeteria
    Atmospheric view of silhouette of crowd at concert — Stock Photo
    Atmospheric view of silhouette of crowd at concert
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Tumour filling an alveolus of the human lung — Stock Photo
    Tumour filling an alveolus of the human lung
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (cyan) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (cyan)