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    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.
    Bouquet of fresh flowers including roses and white lilies eustoma and aster in glass vase at sunshine — Stock Photo
    Bouquet of fresh flowers including roses and white lilies eustoma and aster in glass vase at sunshine
    Closeup of furled fiddle head fern with tender leaves on blurred background — Stock Photo
    Closeup of furled fiddle head fern with tender leaves on blurred background
    Scientist in rubber gloves using equipment in laboratory — Stock Photo
    Scientist in rubber gloves using equipment in laboratory
    Close-up of bee fly hanging on wildflower stem. — Stock Photo
    Close-up of bee fly hanging on wildflower stem.
    Overhead view of a rustic place setting with eucalyptus stems — Stock Photo
    Overhead view of a rustic place setting with eucalyptus stems
    Boy student holding and examining molecular structure — Stock Photo
    Boy student holding and examining molecular structure
    Lemon on stem with leaves — Stock Photo
    Lemon on stem with leaves
    Vase with decor and faded flowers on round shaped plate with feather on gray background — Stock Photo
    Vase with decor and faded flowers on round shaped plate with feather on gray background
    Illustration of blue stem cell on plain background. — Stock Photo
    Illustration of blue stem cell on plain background.
    Close-up of diamondback moth cocoon on wild plant stem. — Stock Photo
    Close-up of diamondback moth cocoon on wild plant stem.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Pink Cadillac Cocktail — Stock Photo
    Pink Cadillac Cocktail
    Boy student examining DNA model in classroom — Stock Photo
    Boy student examining DNA model in classroom
    Girl students examining liquid in beaker, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students examining liquid in beaker, conducting scientific experiment in laboratory classroom
    Designers working in open plan office — Stock Photo
    Designers working in open plan office
    3D rendering of human brain on black background — Stock Photo
    3D rendering of human brain on black background
    Branch of spruce with thin needles with melting snow in forest in winter day — Stock Photo
    Branch of spruce with thin needles with melting snow in forest in winter day
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Human cell, computer illustration — Stock Photo
    Human cell, computer illustration
    Human hand touching leafless branch — Stock Photo
    Human hand touching leafless branch
    Designers working at desks in open plan office — Stock Photo
    Designers working at desks in open plan office
    Smiling female designer working at laptop next to 3D printer in office — Stock Photo
    Smiling female designer working at laptop next to 3D printer in office
    Tomato plants growing in a polytunnel. — Stock Photo
    Tomato plants growing in a polytunnel.
    From above of prickly cacti with spiky stems growing in pots in botanical garden — Stock Photo
    From above of prickly cacti with spiky stems growing in pots in botanical garden
    Frog hopper and parasitic red mite nymphs on plant stem. — Stock Photo
    Frog hopper and parasitic red mite nymphs on plant stem.
    Close up pipettes and specimen holder in science laboratory — Stock Photo
    Close up pipettes and specimen holder in science laboratory
    Glasses filled with colorful liquids on concrete surface in bright sunlight — Stock Photo
    Glasses filled with colorful liquids on concrete surface in bright sunlight
    Cropped image of female florist trimming flower stems at her flower shop — Stock Photo
    Cropped image of female florist trimming flower stems at her flower shop
    Boy student examining DNA model in laboratory classroom — Stock Photo
    Boy student examining DNA model in laboratory classroom
    Top view of tender pink flower petal near aromatic rosemary sprigs on rugged surface with spots — Stock Photo
    Top view of tender pink flower petal near aromatic rosemary sprigs on rugged surface with spots
    Easter table setting with Easter eggs in a bird's nest and eucalyptus stems — Stock Photo
    Easter table setting with Easter eggs in a bird's nest and eucalyptus stems
    Cold orange juice — Stock Photo
    Cold orange juice
    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
    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
    Positive child with dirty gardening shovel looking at camera against bag with tropical plant in countryside — Stock Photo
    Positive child with dirty gardening shovel looking at camera against bag with tropical plant in countryside
    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 nursery web spider on squirting cucumber stem. — Stock Photo
    Close-up of nursery web spider on squirting cucumber stem.
    Glass vases with dried plants and branches covered with leaves decorating room of home — Stock Photo
    Glass vases with dried plants and branches covered with leaves decorating room of home
    Computer programmers programming virtual reality simulator glasses in office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in office
    A hummingbird sits on a branch — Stock Photo
    A hummingbird sits on a branch
    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
    Blonde Girl at Kitchen Table Does School Work on Tablet Computer — Stock Photo
    Blonde Girl at Kitchen Table Does School Work on Tablet Computer
    Eyewear on open textbook against ceramic saucer with cup and dried plant on table in house — Stock Photo
    Eyewear on open textbook against ceramic saucer with cup and dried plant on table in house
    Male junior high teacher leading lesson at projection screen in classroom — Stock Photo
    Male junior high teacher leading lesson at projection screen in classroom
    Woman working in a large glasshouse — Stock Photo
    Woman working in a large glasshouse
    Three flying frogs sitting on a plant, closeup view — Stock Photo
    Three flying frogs sitting on a plant, closeup view
    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
    Palm branch of palm with long pointed leaves growing against orange sun at sundown in Malaysia — Stock Photo
    Palm branch of palm with long pointed leaves growing against orange sun at sundown in Malaysia
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom
    Portrait confident engineer with digital tablet operating robotic arm — Stock Photo
    Portrait confident engineer with digital tablet operating robotic arm
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Pygmy marmoset holding on green stem in Ecuador, South America — Stock Photo
    Pygmy marmoset holding on green stem in Ecuador, South America
    Western sword fern — Stock Photo
    Western sword fern
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Unripe and ripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    Computer programmers with digital tablet talking in office — Stock Photo
    Computer programmers with digital tablet talking in office
    Instructor training students about air conditioning units in HVAC classroom — Stock Photo
    Instructor training students about air conditioning units in HVAC classroom
    Junior high boy students using computers in computer lab — Stock Photo
    Junior high boy students using computers in computer lab
    Human midbrain, illustration — Stock Photo
    Human midbrain, illustration