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    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope. — Stock Photo
    Female cell biologist placing flask containing stem cells cultivated in red growth medium under microscope.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow) — Stock Photo
    Lily stem. Light micrograph(LM) of section through part of lily (Lilium) stem. Thin outer epidermis surrounds layer of cortex. At center is pith, which contains numerous vascular bundles (yellow)
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Person strolling on dry meadow against misty trees in nature in winter day — Stock Photo
    Person strolling on dry meadow against misty trees in nature in winter day
    Untitled Black and White Flowers Still Life — Stock Photo
    Untitled Black and White Flowers Still Life
    Close-up of peaches on peach tree in garden — Stock Photo
    Close-up of peaches on peach tree in garden
    Texture of dry fallen yellow autumn leaf with thin veins and stem against blurred gray background — Stock Photo
    Texture of dry fallen yellow autumn leaf with thin veins and stem against blurred gray background
    Scenery of hill covered with snow and bare shrubs growing in winter nature under cloudless blue sky — Stock Photo
    Scenery of hill covered with snow and bare shrubs growing in winter nature under cloudless blue sky
    Various flowers bouquet on window sill in sunlight. — Stock Photo
    Various flowers bouquet on window sill in sunlight.
    Top view of raw cut Boletus edulis mushrooms on wooden chopping board with garlic and parsley in light kitchen during cooking process — Stock Photo
    Top view of raw cut Boletus edulis mushrooms on wooden chopping board with garlic and parsley in light kitchen during cooking process
    Cute Blonde Girl With French Braids Works on School Papers at Home — Stock Photo
    Cute Blonde Girl With French Braids Works on School Papers at Home
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Female teacher helping girl students researching at laptop at library table — Stock Photo
    Female teacher helping girl students researching at laptop at library table
    Junior high students at computers listening to teacher at projection screen in classroom — Stock Photo
    Junior high students at computers listening to teacher at projection screen in classroom
    Woman using digital tablet at table — Stock Photo
    Woman using digital tablet at table
    Small unripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Small unripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Close-up of willow catkins on tree branch — Stock Photo
    Close-up of willow catkins on tree branch
    Ceramic plates place setting with eucalyptus stems — Stock Photo
    Ceramic plates place setting with eucalyptus stems
    Focused junior high girl student using computer in computer lab — Stock Photo
    Focused junior high girl student using computer in computer lab
    Focused boy student soldering circuit board in classroom — Stock Photo
    Focused boy student soldering circuit board in classroom
    Close-up of fleshy green leaves of Euphorbia plant on white background. — Stock Photo
    Close-up of fleshy green leaves of Euphorbia plant on white background.
    Closeup view of Glass vases with eucalyptus — Stock Photo
    Closeup view of Glass vases with eucalyptus
    Female teacher and curious girl students examining molecular structure in laboratory classroom — Stock Photo
    Female teacher and curious girl students examining molecular structure in laboratory classroom
    Thistle bud weevil sitting on plant stem. — Stock Photo
    Thistle bud weevil sitting on plant stem.
    Glasses of White Wine with Name Tags — Stock Photo
    Glasses of White Wine with Name Tags
    Girl holding a dandelion — Stock Photo
    Girl holding a dandelion
    Glass of alcoholic drink and ice on white background with purple lily petal — Stock Photo
    Glass of alcoholic drink and ice on white background with purple lily petal
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Computer programmers and designers working in office — Stock Photo
    Computer programmers and designers working in office
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Row of elegant shiny glasses standing on wooden table in wine cellar with wine bottles on shelves on background — Stock Photo
    Row of elegant shiny glasses standing on wooden table in wine cellar with wine bottles on shelves on background
    Close-up of sawfly sitting on wild plant stem. — Stock Photo
    Close-up of sawfly sitting on wild plant stem.
    Anatomy of human brain on white background — Stock Photo
    Anatomy of human brain on white background
    Ice Cream Sundae with Berry Sauce — Stock Photo
    Ice Cream Sundae with Berry Sauce
    Closeup of fern stem on blurred background — Stock Photo
    Closeup of fern stem on blurred background
    Fresh Swiss chard leaves on plate — Stock Photo
    Fresh Swiss chard leaves on plate
    Top view of tasty fresh fig pieces with juicy pulp near aromatic thyme sprigs on crumpled surface — Stock Photo
    Top view of tasty fresh fig pieces with juicy pulp near aromatic thyme sprigs on crumpled surface
    Connoisseur smelling glass of wine — Stock Photo
    Connoisseur smelling glass of wine
    Student setting up generator experiment while instructor discusses HVAC system to student in wheelchair — Stock Photo
    Student setting up generator experiment while instructor discusses HVAC system to student in wheelchair
    Beautiful blooming yellow wildflowers and sunset — Stock Photo
    Beautiful blooming yellow wildflowers and sunset
    Cerebellum and corpus callosum — Stock Photo
    Cerebellum and corpus callosum
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Shovel with soil against eco cups with growing seedlings in plastic container on table — Stock Photo
    Shovel with soil against eco cups with growing seedlings in plastic container on table
    From above of prickly cacti with spiky stems growing in pots in botanical garden — Stock Photo
    From above of prickly cacti with spiky stems growing in pots in botanical garden
    Woman checking plant in the garden — Stock Photo
    Woman checking plant in the garden
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Computer programmers and designers working in open plan office — Stock Photo
    Computer programmers and designers working in open plan office
    Dry trees with sticking roots in mountain valley in sunny day — Stock Photo
    Dry trees with sticking roots in mountain valley in sunny day
    Close up scientist in rubber gloves placing specimen in centrifuge — Stock Photo
    Close up scientist in rubber gloves placing specimen in centrifuge
    Vase and place settings on sunny patio table — Stock Photo
    Vase and place settings on sunny patio table
    Closeup of dry brown stems of grass growing on meadow in Dolomites mountain range in Italy — Stock Photo
    Closeup of dry brown stems of grass growing on meadow in Dolomites mountain range in Italy
    A champagne cocktail with strawberries — Stock Photo
    A champagne cocktail with strawberries
    Designers and computer programmers working in open plan office — Stock Photo
    Designers and computer programmers working in open plan office