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    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    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.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Vase and place settings on sunny patio table — Stock Photo
    Vase and place settings on sunny patio table
    Wheatgrass plants with dense network of roots — Stock Photo
    Wheatgrass plants with dense network of roots
    Human brain anatomy, 3D illustration. Lobes of the brain are colour-coded: frontal lobe (Pink), parietal lobe (blue), occipital lobe (orange) and temporal lobe (yellow). — Stock Photo
    Human brain anatomy, 3D illustration. Lobes of the brain are colour-coded: frontal lobe (Pink), parietal lobe (blue), occipital lobe (orange) and temporal lobe (yellow).
    Adult female traveler with lush green plant leaf looking at camera during trip in woods — Stock Photo
    Adult female traveler with lush green plant leaf looking at camera during trip in woods
    Male teacher and boy student conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student conducting scientific experiment in laboratory classroom
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    Two Javan tree frogs on a plant, Indonesia — Stock Photo
    Two Javan tree frogs on a plant, Indonesia
    Pygmy marmoset holding on green stem in Ecuador, South America — Stock Photo
    Pygmy marmoset holding on green stem in Ecuador, South America
    Low angle of young Asian woman dressed in burgundy turtleneck concentrated on cutting stem of pink rose with secateurs indoors — Stock Photo
    Low angle of young Asian woman dressed in burgundy turtleneck concentrated on cutting stem of pink rose with secateurs indoors
    Happy woman standing on field with red flowers in sunny day — Stock Photo
    Happy woman standing on field with red flowers in sunny day
    Pensive, curious girl student examining molecular structure — Stock Photo
    Pensive, curious girl student examining molecular structure
    Pineapple and coconut sorbet with fresh pineapple pieces served in stem glasses — Stock Photo
    Pineapple and coconut sorbet with fresh pineapple pieces served in stem glasses
    Closeup of tween girl looking at bug under microscope — Stock Photo
    Closeup of tween girl looking at bug under microscope
    Young sensual female in black clothes with blossoming flower looking at camera — Stock Photo
    Young sensual female in black clothes with blossoming flower looking at camera
    A bunch of green chard on background. Vegan organic diet concept — Stock Photo
    A bunch of green chard on background. Vegan organic diet concept
    Top view of raw cut Boletus edulis mushrooms on rustic wooden chopping board during cooking process — Stock Photo
    Top view of raw cut Boletus edulis mushrooms on rustic wooden chopping board during cooking process
    Artichoke flower head — Stock Photo
    Artichoke flower head
    Portrait smiling girl student sitting in classroom during lesson — Stock Photo
    Portrait smiling girl student sitting in classroom during lesson
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Top view of pair of worn brown leather shoes placed on grassy lawn in nature — Stock Photo
    Top view of pair of worn brown leather shoes placed on grassy lawn in nature
    Close-up of Butterfly sitting on a plant stem — Stock Photo
    Close-up of Butterfly sitting on a plant stem
    Instructor discussing fuel mixture controls for furnace in HVAC classroom while one student in wheelchair taking notes — Stock Photo
    Instructor discussing fuel mixture controls for furnace in HVAC classroom while one student in wheelchair taking notes
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Brothers standing proud with their homemade volcanos — Stock Photo
    Brothers standing proud with their homemade volcanos
    Blooming sunflower with green leaves on dark background — Stock Photo
    Blooming sunflower with green leaves on dark background
    Top view of bunch of fresh green asparagus placed in bowl on table — Stock Photo
    Top view of bunch of fresh green asparagus placed in bowl on table
    Lime tree stem — Stock Photo
    Lime tree stem
    Ceviche with avocado in a stemmed glass — Stock Photo
    Ceviche with avocado in a stemmed glass
    Thistle bud weevil sitting on common thistle stem. — Stock Photo
    Thistle bud weevil sitting on common thistle stem.
    Instructor training students about air conditioning units in HVAC classroom — Stock Photo
    Instructor training students about air conditioning units in HVAC classroom
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Margarita in Blue Stem Glass — Stock Photo
    Margarita in Blue Stem Glass
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair — Stock Photo
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair
    Curious girl student holding molecule model in classroom — Stock Photo
    Curious girl student holding molecule model in classroom
    Bigleaf maple leaf (Acer macrophyllum) in autumn, in small tree branch — Stock Photo
    Bigleaf maple leaf (Acer macrophyllum) in autumn, in small tree branch
    Close-up of a praying mantis and a dew droplet on a plant, Indonesia — Stock Photo
    Close-up of a praying mantis and a dew droplet on a plant, Indonesia
    Curious girl student examining molecular structure — Stock Photo
    Curious girl student examining molecular structure
    Purple lily flower in glass vase — Stock Photo
    Purple lily flower in glass vase
    Lavandula, X-ray, radiology scan — Stock Photo
    Lavandula, X-ray, radiology scan
    Top view of fresh green salad with herbs and vegetables on wooden background, flat lay — Stock Photo
    Top view of fresh green salad with herbs and vegetables on wooden background, flat lay
    Young sensual female in black clothes with blossoming flower looking at camera — Stock Photo
    Young sensual female in black clothes with blossoming flower looking at camera
    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
    Closeup view of Mexican style shrimp cocktail in glass stem bowl — Stock Photo
    Closeup view of Mexican style shrimp cocktail in glass stem bowl
    Frontenac Gris grapes growing on a vine; Shefford, Quebec, Canada — Stock Photo
    Frontenac Gris grapes growing on a vine; Shefford, Quebec, Canada
    Back view anonymous shirtless male sitting in dark room near tender thin plant twig with withering leaves and looking out window — Stock Photo
    Back view anonymous shirtless male sitting in dark room near tender thin plant twig with withering leaves and looking out window
    Cute little girl playing at home — Stock Photo
    Cute little girl playing at home
    Tasty ripe cherries in on rustic wooden background with bowl — Stock Photo
    Tasty ripe cherries in on rustic wooden background with bowl
    Glasses filled with colorful liquids on concrete surface in bright sunlight — Stock Photo
    Glasses filled with colorful liquids on concrete surface in bright sunlight
    Closeup green tomatoes ripening with raindrops on branches of plant growing in agricultural field in countryside — Stock Photo
    Closeup green tomatoes ripening with raindrops on branches of plant growing in agricultural field in countryside
    Close-up of small heat butterfly hanging on dried stem. — Stock Photo
    Close-up of small heat butterfly hanging on dried stem.
    Sincere child in gardening apron with watering pot and looking away against Alocasia in balcony while watering — Stock Photo
    Sincere child in gardening apron with watering pot and looking away against Alocasia in balcony while watering
    Closeup green tomato ripening with raindrops on branches of plant growing in agricultural field in countryside — Stock Photo
    Closeup green tomato ripening with raindrops on branches of plant growing in agricultural field in countryside
    Green organic lemon — Stock Photo
    Green organic lemon
    Composition made of old fashioned photo camera placed near dry autumn leaves and pomegranate — Stock Photo
    Composition made of old fashioned photo camera placed near dry autumn leaves and pomegranate