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    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (red) and jaws. Magnification: x50 when printed 10 centimetres wide. — Stock Photo
    Ant head. Coloured scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (red) and jaws. Magnification: x50 when printed 10 centimetres wide.
    Young man with eyeglasses and headphones using digital tablet at sidewalk cafe — Stock Photo
    Young man with eyeglasses and headphones using digital tablet at sidewalk cafe
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda). — Stock Photo
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda).
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Male electrician students practicing in workshop — Stock Photo
    Male electrician students practicing in workshop
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Cancellous bone tissue — Stock Photo
    Cancellous bone tissue
    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Colored scanning electron micrograph of osteosarcoma bone cancer cell. — Stock Photo
    Colored scanning electron micrograph of osteosarcoma bone cancer cell.
    Smiling woman with red hair using digital tablet on cabin balcony — Stock Photo
    Smiling woman with red hair using digital tablet on cabin balcony
    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.
    Waiting area and reception desk at a modern hospital, with signs and electronic display — Stock Photo
    Waiting area and reception desk at a modern hospital, with signs and electronic display
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    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
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (blue) are seen in the heads. Zebrafish eggs are transparent — Stock Photo
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (blue) are seen in the heads. Zebrafish eggs are transparent
    Grandfather and grandsons relaxing in doorway — Stock Photo
    Grandfather and grandsons relaxing in doorway
    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
    Architects working on a green construction project — Stock Photo
    Architects working on a green construction project
    Woman working at laptop in kitchen — Stock Photo
    Woman working at laptop in kitchen
    Solar panels against blue sky with white clouds — Stock Photo
    Solar panels against blue sky with white clouds
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Senior woman using digital tablet in garden — Stock Photo
    Senior woman using digital tablet in garden
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Laughing woman laying in bed using digital tablet — Stock Photo
    Laughing woman laying in bed using digital tablet
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    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).
    Man working on desktop pc in an electronics repair centre — Stock Photo
    Man working on desktop pc in an electronics repair centre
    Male electrician using screwdriver, working at electric panel — Stock Photo
    Male electrician using screwdriver, working at electric panel
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Cropped image of woman making payment through smartphone in flower shop — Stock Photo
    Cropped image of woman making payment through smartphone in flower shop
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Stagnant water bacteria — Stock Photo
    Stagnant water bacteria
    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    People reading magazine and using digital tablet in cafe — Stock Photo
    People reading magazine and using digital tablet in cafe
    Woman making payment through smartphone in the flower shop — Stock Photo
    Woman making payment through smartphone in the flower shop
    Desk and shelves with various equipment in an electronics repair centre — Stock Photo
    Desk and shelves with various equipment in an electronics repair centre
    Red blood cells — Stock Photo
    Red blood cells
    Infusers on drip stands in a modern hospital — Stock Photo
    Infusers on drip stands in a modern hospital
    Lovely couple using the electronic binoculars at Gardens by the Bay — Stock Photo
    Lovely couple using the electronic binoculars at Gardens by the Bay
    Senior couple paying bills at laptop in kitchen — Stock Photo
    Senior couple paying bills at laptop in kitchen
    Salt water pennate diatom frustule — Stock Photo
    Salt water pennate diatom frustule
    Cat flea head — Stock Photo
    Cat flea head
    Close-up of various electronic components in plastic boxes — Stock Photo
    Close-up of various electronic components in plastic boxes
    Young couple looking at mobile while having fun — Stock Photo
    Young couple looking at mobile while having fun
    Woman in bathrobe laying on bed using digital tablet — Stock Photo
    Woman in bathrobe laying on bed using digital tablet
    Cells of brewer yeast — Stock Photo
    Cells of brewer yeast
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Women sitting on the staircase at Retiro Park, Spain — Stock Photo
    Women sitting on the staircase at Retiro Park, Spain
    Couple paying bills at digital tablet — Stock Photo
    Couple paying bills at digital tablet
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Smiling man using digital tablet on porch — Stock Photo
    Smiling man using digital tablet on porch