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    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    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
    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
    Ginkgo biloba leaf against white background. — Stock Photo
    Ginkgo biloba leaf against white background.
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Punch cocktails made with rum and lime in stemmed glasses over ice — Stock Photo
    Punch cocktails made with rum and lime in stemmed glasses over ice
    Woman standing in a garden holding a dahlia flower, Serbia — Stock Photo
    Woman standing in a garden holding a dahlia flower, Serbia
    Organic Assorted Beets — Stock Photo
    Organic Assorted Beets
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Students examining DNA model in classroom laboratory — Stock Photo
    Students examining DNA model in classroom laboratory
    Close-up of blossoming wildflowers in Purisim Creek Redwoods; California, United States of America — Stock Photo
    Close-up of blossoming wildflowers in Purisim Creek Redwoods; California, United States of America
    Person picking bunches of grapes — Stock Photo
    Person picking bunches of grapes
    Nature reserve and walking trail, a divided bare tree trunk, four stems, and view over open ground — Stock Photo
    Nature reserve and walking trail, a divided bare tree trunk, four stems, and view over open ground
    Glasses of White Wine with Name Tags — Stock Photo
    Glasses of White Wine with Name Tags
    Fresh Grape Tomatoes — Stock Photo
    Fresh Grape Tomatoes
    Instructor demonstrating air conditioner control system on demo board to students in HVAC classroom one student in wheelchair — Stock Photo
    Instructor demonstrating air conditioner control system on demo board to students in HVAC classroom one student in wheelchair
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Scenery of hill covered with snow and bare shrubs growing in winter nature under cloudy sky — Stock Photo
    Scenery of hill covered with snow and bare shrubs growing in winter nature under cloudy sky
    Focused boy student programming at computer in dark classroom — Stock Photo
    Focused boy student programming at computer in dark classroom
    Curious, focused boy examining computer chip in classroom — Stock Photo
    Curious, focused boy examining computer chip in classroom
    Close up of flowers in garden centre — Stock Photo
    Close up of flowers in garden centre
    A hummingbird sits on a branch — Stock Photo
    A hummingbird sits on a branch
    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
    Ceramic cup with fresh blooming flowers placed on wooden table in restaurant in daylight — Stock Photo
    Ceramic cup with fresh blooming flowers placed on wooden table in restaurant in daylight
    Close up of ripe wheat field — Stock Photo
    Close up of ripe wheat field
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    From below scenic view of high bamboo twigs with ribbed surface growing in woods in daylight — Stock Photo
    From below scenic view of high bamboo twigs with ribbed surface growing in woods in daylight
    Boy student examining DNA model in classroom — Stock Photo
    Boy student examining DNA model in classroom
    Woman working in a large glasshouse — Stock Photo
    Woman working in a large glasshouse
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Man carrying glasses of wine in tray — Stock Photo
    Man carrying glasses of wine in tray
    Top view of fresh broccoli sprig representing concept of healthy vegetarian food on white geometric surface — Stock Photo
    Top view of fresh broccoli sprig representing concept of healthy vegetarian food on white geometric surface
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Chocolate macarons in a long-stemmed glass — Stock Photo
    Chocolate macarons in a long-stemmed glass
    Tropical jungle Monstera leaf — Stock Photo
    Tropical jungle Monstera leaf
    Three flying frogs sitting on a plant, closeup view — Stock Photo
    Three flying frogs sitting on a plant, closeup view
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Yellow blooming branches and stems making frame on orange background — Stock Photo
    Yellow blooming branches and stems making frame on orange background
    Designers working in open plan office — Stock Photo
    Designers working in open plan office
    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
    Blastocyst structure, conceptual computer artwork. — Stock Photo
    Blastocyst structure, conceptual computer artwork.
    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
    Medical illustration of the human nervous system and brain — Stock Photo
    Medical illustration of the human nervous system and brain
    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
    Overhead view of bright fresh tangerines with green foliage in rectangular shaped container on wooden table — Stock Photo
    Overhead view of bright fresh tangerines with green foliage in rectangular shaped container on wooden table
    Computer programmers programming virtual reality simulator glasses in open plan office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in open plan office
    Closeup of crop palm holding beautiful Jade Vine light blue colored floral bud, Scotland — Stock Photo
    Closeup of crop palm holding beautiful Jade Vine light blue colored floral bud, Scotland
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Portrait confident students holding molecular structures in laboratory classroom — Stock Photo
    Portrait confident students holding molecular structures in laboratory classroom
    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
    Closeup view of one chive flower — Stock Photo
    Closeup view of one chive flower
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    From above minimalistic still life composition with green cactus stems placed on round tortilla chip on yellow background — Stock Photo
    From above minimalistic still life composition with green cactus stems placed on round tortilla chip on yellow background
    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
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem. — Stock Photo
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem.
    Fried garlic stems — Stock Photo
    Fried garlic stems
    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).
    Two stemmed glasses on a polished quartz draining board next to a sink with a modern stainless steel tap — Stock Photo
    Two stemmed glasses on a polished quartz draining board next to a sink with a modern stainless steel tap
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab