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    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    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.
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Researchers handling stem cell cultures in laboratory while drug research. — Stock Photo
    Researchers handling stem cell cultures in laboratory while drug research.
    Businesswomen with adhesive notes planning in office — Stock Photo
    Businesswomen with adhesive notes planning in office
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Person shelling fresh peas. — Stock Photo
    Person shelling fresh peas.
    View of boy programming at computer in classroom on digital camera viewfinder — Stock Photo
    View of boy programming at computer in classroom on digital camera viewfinder
    Curing green grasshopper sitting on delicate dark red plant leaf on blurred wild nature background — Stock Photo
    Curing green grasshopper sitting on delicate dark red plant leaf on blurred wild nature background
    Scientist in rubber gloves filling pipette tray in laboratory — Stock Photo
    Scientist in rubber gloves filling pipette tray in laboratory
    Young attractive woman with fresh flower looking away and resting on bed in bedroom — Stock Photo
    Young attractive woman with fresh flower looking away and resting on bed in bedroom
    Closeup of fern stem on blurred background — Stock Photo
    Closeup of fern stem on blurred background
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    Creeping plants shadow on window curtain — Stock Photo
    Creeping plants shadow on window curtain
    Top view of raw royal champignons and stems of green asparagus on parchment prepared for cooking healthy dinner — Stock Photo
    Top view of raw royal champignons and stems of green asparagus on parchment prepared for cooking healthy dinner
    Overhead view of tasty ripe fig slices with aromatic thyme sprigs on plate on wooden surface — Stock Photo
    Overhead view of tasty ripe fig slices with aromatic thyme sprigs on plate on wooden surface
    Portrait of a dumpy frog on a plant stem, blurred background — Stock Photo
    Portrait of a dumpy frog on a plant stem, blurred background
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Blond Girl Holding Paper Parachute Smiling Near Cement Brick Wall — Stock Photo
    Blond Girl Holding Paper Parachute Smiling Near Cement Brick Wall
    Portrait smiling, confident girl student solving physics equations at whiteboard in classroom — Stock Photo
    Portrait smiling, confident girl student solving physics equations at whiteboard in classroom
    Focused girl students soldering circuit boards in classroom — Stock Photo
    Focused girl students soldering circuit boards in classroom
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Back view anonymous shirtless male sitting in dark room near tender thin plant twig with withering leaves — Stock Photo
    Back view anonymous shirtless male sitting in dark room near tender thin plant twig with withering leaves
    Top view of plants in glass flasks placed on yellow background with various leaves — Stock Photo
    Top view of plants in glass flasks placed on yellow background with various leaves
    Fresh Fruit Salad — Stock Photo
    Fresh Fruit Salad
    Close up of aloe stalks on white background — Stock Photo
    Close up of aloe stalks on white background
    A summer cocktail in a stemmed glass casting a shadow — Stock Photo
    A summer cocktail in a stemmed glass casting a shadow
    Green seedling of houseplant placed in glass bottle with water on wooden shelf near white wall in kitchen — Stock Photo
    Green seedling of houseplant placed in glass bottle with water on wooden shelf near white wall in kitchen
    Closeup view of two empty Champagne glasses — Stock Photo
    Closeup view of two empty Champagne glasses
    Female scientist in clean suit examining test tubes — Stock Photo
    Female scientist in clean suit examining test tubes
    Young green ears growing in garden plot — Stock Photo
    Young green ears growing in garden plot
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    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
    A discarded face mask on the ground — Stock Photo
    A discarded face mask on the ground
    Tender young female with shade on face against blossoming flower on thin stem with foliage on black background — Stock Photo
    Tender young female with shade on face against blossoming flower on thin stem with foliage on black background
    Willow twigs with silvery catkins, close-up. — Stock Photo
    Willow twigs with silvery catkins, close-up.
    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)
    Green hummingbird sitting on sprig on blurred background — Stock Photo
    Green hummingbird sitting on sprig on blurred background
    Kale, Rainbow Chard, Chard — Stock Photo
    Kale, Rainbow Chard, Chard
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Male teacher leading physics lesson at whiteboard in classroom — Stock Photo
    Male teacher leading physics lesson at whiteboard in classroom
    From above of red rose flower with dried leaves and petals placed on table in room — Stock Photo
    From above of red rose flower with dried leaves and petals placed on table in room
    Beautiful Nordic drink in small high stem glass sprinkled with red powder and leaf served on grey cloth with scattered dried rose petals on blurred background — Stock Photo
    Beautiful Nordic drink in small high stem glass sprinkled with red powder and leaf served on grey cloth with scattered dried rose petals on blurred background
    Dreamy unrecognizable redhead female in dress standing near glass windows of glasshouse with lush plants — Stock Photo
    Dreamy unrecognizable redhead female in dress standing near glass windows of glasshouse with lush plants
    Fresh fragrant stems of narrow leaved black peppermint tree and rosemary placed on metal buckets with Loropetalum plant leaves in flower market — Stock Photo
    Fresh fragrant stems of narrow leaved black peppermint tree and rosemary placed on metal buckets with Loropetalum plant leaves in flower market
    Human cell, computer illustration — Stock Photo
    Human cell, computer illustration
    Ginkgo biloba leaf against white background. — Stock Photo
    Ginkgo biloba leaf against white background.
    Close-up of land snail on wild plant stem. — Stock Photo
    Close-up of land snail on wild plant stem.
    Close up of Pouring red wine into the glass — Stock Photo
    Close up of Pouring red wine into the glass
    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
    Lemon in dish of salt — Stock Photo
    Lemon in dish of salt
    Computer programmers high-fiving at laptop in office — Stock Photo
    Computer programmers high-fiving at laptop in office
    High angle of crop unrecognizable female carrying wicker basket with edible mushrooms in woods — Stock Photo
    High angle of crop unrecognizable female carrying wicker basket with edible mushrooms in woods
    Computer programmers and designers working in office — Stock Photo
    Computer programmers and designers working in office
    Flower of chrysanthemum plant on white background. — Stock Photo
    Flower of chrysanthemum plant on white background.
    Close-up of lavender growing in a field against blurred background — Stock Photo
    Close-up of lavender growing in a field against blurred background
    Junior high teacher helping students using computers in computer lab — Stock Photo
    Junior high teacher helping students using computers in computer lab
    Milk cap mushroom growing in woods covered with fallen dry foliage in autumn day — Stock Photo
    Milk cap mushroom growing in woods covered with fallen dry foliage in autumn day
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab