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    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Closeup of tween girl looking at bug under microscope — Stock Photo
    Closeup of tween girl looking at bug under microscope
    Junior high girl student using computer in computer lab — Stock Photo
    Junior high girl student using computer in computer lab
    Shiso herb leaves with stem and seeds — Stock Photo
    Shiso herb leaves with stem and seeds
    Computer programmers programming virtual reality simulator glasses in office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in office
    Bouquet of fresh flowers including white lilies eustoma and aster in glass vase at sunshine — Stock Photo
    Bouquet of fresh flowers including white lilies eustoma and aster in glass vase at sunshine
    Peony flower (Paeonia officinalis), X-ray. — Stock Photo
    Peony flower (Paeonia officinalis), X-ray.
    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
    Top view of heap of raw asparagus stalks with uneven surface and wavy edges — Stock Photo
    Top view of heap of raw asparagus stalks with uneven surface and wavy edges
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth. — Stock Photo
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth.
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Unrecognizable female with red flower pestle sitting at table with white tablecloth near green foliage while cultivating plant at home — Stock Photo
    Unrecognizable female with red flower pestle sitting at table with white tablecloth near green foliage while cultivating plant at home
    Female engineer with paperwork planning, programming robotic arm — Stock Photo
    Female engineer with paperwork planning, programming robotic arm
    Cold orange juice — Stock Photo
    Cold orange juice
    Teen picking peas to bowl — Stock Photo
    Teen picking peas to bowl
    Close-up view of flower against blurred background — Stock Photo
    Close-up view of flower against blurred background
    Scientist pipetting sample into growth medium in multiwell plate. — Stock Photo
    Scientist pipetting sample into growth medium in multiwell plate.
    Top view of stem with pink orchids on glass dish — Stock Photo
    Top view of stem with pink orchids on glass dish
    Close-up of Idas blue butterfly on arc shaped stem. — Stock Photo
    Close-up of Idas blue butterfly on arc shaped stem.
    Female florist trimming flower stems at her flower shop — Stock Photo
    Female florist trimming flower stems at her flower shop
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    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
    Junior high students using computers and watching teacher at projection screen in classroom — Stock Photo
    Junior high students using computers and watching teacher at projection screen in classroom
    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
    Lime Martini in Fun Stem Glass — Stock Photo
    Lime Martini in Fun Stem Glass
    Female scientists working in laboratory — Stock Photo
    Female scientists working in laboratory
    Bowl of rock salt with fresh eucalyptus on a wooden table — Stock Photo
    Bowl of rock salt with fresh eucalyptus on a wooden table
    Medical illustration of the human nervous system and brain — Stock Photo
    Medical illustration of the human nervous system and brain
    Green and red haworthia plant with leaves and white dots in dark place — Stock Photo
    Green and red haworthia plant with leaves and white dots in dark place
    Purple lily flower on grey background — Stock Photo
    Purple lily flower on grey background
    Tree fern (Dicksonia sp.), X-ray. — Stock Photo
    Tree fern (Dicksonia sp.), X-ray.
    Close-up of white and green broccoli in bowl — Stock Photo
    Close-up of white and green broccoli in bowl
    Closeup view of floating candles in a stem glass — Stock Photo
    Closeup view of floating candles in a stem glass
    Curious students examining liquid in beaker, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students examining liquid in beaker, conducting scientific experiment in laboratory classroom
    Red vegetables on a wooden table in front of a window — Stock Photo
    Red vegetables on a wooden table in front of a window
    New Seedling in ground against green background — Stock Photo
    New Seedling in ground against green background
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Silhouette of wheat stalk against sunset — Stock Photo
    Silhouette of wheat stalk against sunset
    Closeup view of two empty Champagne glasses — Stock Photo
    Closeup view of two empty Champagne glasses
    Student in wheelchair studying natural gas injector system on furnace with his classmate in HVAC classroom — Stock Photo
    Student in wheelchair studying natural gas injector system on furnace with his classmate in HVAC classroom
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Close-up of fungus infecting caterpillar on plant stem. — Stock Photo
    Close-up of fungus infecting caterpillar on plant stem.
    Male science teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students conducting scientific experiment in laboratory classroom
    Students talking at table in library — Stock Photo
    Students talking at table in library
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Active brain visualization — Stock Photo
    Active brain visualization
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    From above shot of beautiful green fern bush with lush foliage growing in forest of Bizkaia — Stock Photo
    From above shot of beautiful green fern bush with lush foliage growing in forest of Bizkaia
    A bunch of green chard on background. Vegan organic diet concept — Stock Photo
    A bunch of green chard on background. Vegan organic diet concept
    Rosemary leaves close-up view — Stock Photo
    Rosemary leaves close-up view
    Enthusiastic computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Enthusiastic computer programmers testing virtual reality simulator glasses in office
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    Green organic lemon — Stock Photo
    Green organic lemon
    Crop unrecognizable ethnic female touching blossoming sunflower with pleasant aroma and gentle petals in countryside — Stock Photo
    Crop unrecognizable ethnic female touching blossoming sunflower with pleasant aroma and gentle petals in countryside
    Top view of row of green and ripe cherry tomatoes showing ripening stage on white gauze — Stock Photo
    Top view of row of green and ripe cherry tomatoes showing ripening stage on white gauze
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    A hummingbird sits on a branch — Stock Photo
    A hummingbird sits on a branch