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    Focused junior high boy student using computer in dark computer lab — Stock Photo
    Focused junior high boy student using computer in dark computer lab
    Vintage circular stair in Kew Garden, London — Stock Photo
    Vintage circular stair in Kew Garden, London
    Red vegetables on a wooden table in front of a window — Stock Photo
    Red vegetables on a wooden table in front of a window
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Female science teacher wearing lab coat, rubber glove and goggles, writing at whiteboard in classroom — Stock Photo
    Female science teacher wearing lab coat, rubber glove and goggles, writing at whiteboard in classroom
    Overhead view of a rustic place setting with eucalyptus stems — Stock Photo
    Overhead view of a rustic place setting with eucalyptus stems
    Closeup view of two empty Champagne glasses — Stock Photo
    Closeup view of two empty Champagne glasses
    Curious girl student holding molecule model in classroom — Stock Photo
    Curious girl student holding molecule model in classroom
    Young woman sitting on grassy field on blanket with dandelion stem. — Stock Photo
    Young woman sitting on grassy field on blanket with dandelion stem.
    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
    Closeup of dry grass and wheat spikelets growing in field in countryside during golden hour — Stock Photo
    Closeup of dry grass and wheat spikelets growing in field in countryside during golden hour
    Instructor using demo board to explain HVAC control system operation one student in wheelchair — Stock Photo
    Instructor using demo board to explain HVAC control system operation one student in wheelchair
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom
    Engineers with digital tablet programming robotic arm in office — Stock Photo
    Engineers with digital tablet programming robotic arm in office
    Tropical jungle Monstera leaf — Stock Photo
    Tropical jungle Monstera leaf
    From above of creamy hummus with tiny octopus and calamari garnished with paprika and pine nuts with sesame seeds and green with oil — Stock Photo
    From above of creamy hummus with tiny octopus and calamari garnished with paprika and pine nuts with sesame seeds and green with oil
    Two halves of red orange on a wooden plate that a bengal cat is trying to steal — Stock Photo
    Two halves of red orange on a wooden plate that a bengal cat is trying to steal
    Gnocchi with Broccoli, Broccoli Stem , Basil Pesto and Vegan sausages — Stock Photo
    Gnocchi with Broccoli, Broccoli Stem , Basil Pesto and Vegan sausages
    Coconuts growing on stem — Stock Photo
    Coconuts growing on stem
    Focused girl student assembling circuit board in classroom — Stock Photo
    Focused girl student assembling circuit board in classroom
    Stem cell research — Stock Photo
    Stem cell research
    Young charming brunette woman in cap looking at camera and holding fresh red flower in room — Stock Photo
    Young charming brunette woman in cap looking at camera and holding fresh red flower in room
    Closeup view of Champagne and wine glasses hanging upside down in a restaurant shelf — Stock Photo
    Closeup view of Champagne and wine glasses hanging upside down in a restaurant shelf
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Close up of Pouring red wine into the glass — Stock Photo
    Close up of Pouring red wine into the glass
    Computer programmers high-fiving at laptop in office — Stock Photo
    Computer programmers high-fiving at laptop in office
    Female engineer with headphones using computer in office — Stock Photo
    Female engineer with headphones using computer in office
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Female florist creating bouquet — Stock Photo
    Female florist creating bouquet
    Plant with thin stem and tiny pure water drops on curved leaf growing in woods on blurred background — Stock Photo
    Plant with thin stem and tiny pure water drops on curved leaf growing in woods on blurred background
    Scenic view of high bamboo twigs with ribbed surface growing in woods in daylight — Stock Photo
    Scenic view of high bamboo twigs with ribbed surface growing in woods in daylight
    Close-up of Butterfly sitting on a plant stem — Stock Photo
    Close-up of Butterfly sitting on a plant stem
    Student in wheelchair setting up HVAC experiment talking to another student — Stock Photo
    Student in wheelchair setting up HVAC experiment talking to another student
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Vase and place settings on sunny patio table — Stock Photo
    Vase and place settings on sunny patio table
    Scientists with digital tablet and specimen tray in laboratory — Stock Photo
    Scientists with digital tablet and specimen tray in laboratory
    Close-up on grey fluffy dandelion blossom — Stock Photo
    Close-up on grey fluffy dandelion blossom
    Tween girl looking into microscope with dog looking on — Stock Photo
    Tween girl looking into microscope with dog looking on
    Top view of blossoming lush bud of white lilies eustoma at daylight — Stock Photo
    Top view of blossoming lush bud of white lilies eustoma at daylight
    Crop view of hand elegantly taking green stem of ripe juicy strawberry from small bowl full of red berries on wooden table — Stock Photo
    Crop view of hand elegantly taking green stem of ripe juicy strawberry from small bowl full of red berries on wooden table
    Junior high teacher helping students using computers in computer lab — Stock Photo
    Junior high teacher helping students using computers in computer lab
    Two robberflies mating, Indonesia — Stock Photo
    Two robberflies mating, Indonesia
    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
    Scientist using pipette tray at fume hood in laboratory — Stock Photo
    Scientist using pipette tray at fume hood in laboratory
    Low angle of high leafless tree trunk growing against lush coniferous plant under blue sky with clouds — Stock Photo
    Low angle of high leafless tree trunk growing against lush coniferous plant under blue sky with clouds
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Back view of unrecognizable female with long ginger hair reaching hand to door of greenhouse with plants — Stock Photo
    Back view of unrecognizable female with long ginger hair reaching hand to door of greenhouse with plants
    Yellow tulips on dark background — Stock Photo
    Yellow tulips on dark background
    Side view of happy female with wavy hair raising hands with hat standing looking up near cane with green foliage — Stock Photo
    Side view of happy female with wavy hair raising hands with hat standing looking up near cane with green foliage
    Overhead view of boy building clay volcano — Stock Photo
    Overhead view of boy building clay volcano
    Ripe wheat stems in field in summertime — Stock Photo
    Ripe wheat stems in field in summertime
    Junior high girl student using computer in computer lab — Stock Photo
    Junior high girl student using computer in computer lab
    Palm leaves in warm sunset light — Stock Photo
    Palm leaves in warm sunset light
    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
    Male teacher and students researching at laptop in library — Stock Photo
    Male teacher and students researching at laptop in library
    An Apollo Butterfly (Parnassius Apollo) Seeking Nectar From A Daisy; Astoria, Oregon, United States Of America — Stock Photo
    An Apollo Butterfly (Parnassius Apollo) Seeking Nectar From A Daisy; Astoria, Oregon, United States Of America
    From above of fresh ripe purple onions with green stems placed on black table — Stock Photo
    From above of fresh ripe purple onions with green stems placed on black table
    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
    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
    Yellow blooming branches and stems making frame on orange background — Stock Photo
    Yellow blooming branches and stems making frame on orange background