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    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    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.
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom — Stock Photo
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom
    Female researcher using micropipette and tubes in laboratory, close-up. — Stock Photo
    Female researcher using micropipette and tubes in laboratory, close-up.
    Boy building clay volcano at homeschool — Stock Photo
    Boy building clay volcano at homeschool
    Junior high students at computers listening to teacher at projection screen in classroom — Stock Photo
    Junior high students at computers listening to teacher at projection screen in classroom
    From below view of high green trees growing in dark forest — Stock Photo
    From below view of high green trees growing in dark forest
    High angle of crop anonymous boyfriend with ring and stem of flower on finger placing hand on girlfriend — Stock Photo
    High angle of crop anonymous boyfriend with ring and stem of flower on finger placing hand on girlfriend
    Beautiful hortensia flowers — Stock Photo
    Beautiful hortensia flowers
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    A hummingbird sits on a branch — Stock Photo
    A hummingbird sits on a branch
    Close-up of land snail on wild plant stem. — Stock Photo
    Close-up of land snail on wild plant stem.
    Pieces of fresh green Aloe Vera with white flesh in glass bowl — Stock Photo
    Pieces of fresh green Aloe Vera with white flesh in glass bowl
    Student in wheelchair studying natural gas fuel line on furnace in HVAC classroom — Stock Photo
    Student in wheelchair studying natural gas fuel line on furnace in HVAC classroom
    Mid section of woman cutting stem of flower at home — Stock Photo
    Mid section of woman cutting stem of flower at home
    Green and red haworthia plant with leaves and white dots in dark place — Stock Photo
    Green and red haworthia plant with leaves and white dots in dark place
    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 testing virtual reality simulator glasses in open plan office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in open plan office
    Curious, focused boy examining computer chip in classroom — Stock Photo
    Curious, focused boy examining computer chip in classroom
    A western honeybee pollinates a flower — Stock Photo
    A western honeybee pollinates a flower
    Medical illustration of the human nervous system and brain — Stock Photo
    Medical illustration of the human nervous system and brain
    Fresh tangerine with stem and leaves on dark background — Stock Photo
    Fresh tangerine with stem and leaves on dark background
    Man carrying glasses of wine in tray — Stock Photo
    Man carrying glasses of wine in tray
    Sincere child in gardening apron with watering pot and blooming Helianthus looking away against Alocasia in balcony — Stock Photo
    Sincere child in gardening apron with watering pot and blooming Helianthus looking away against Alocasia in balcony
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    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
    Male teacher calling on students in classroom — Stock Photo
    Male teacher calling on students in classroom
    Seven spot ladybird walking on dried stem. — Stock Photo
    Seven spot ladybird walking on dried stem.
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    Top view of tasty fresh fig pieces with juicy pulp near aromatic thyme sprigs on crumpled surface — Stock Photo
    Top view of tasty fresh fig pieces with juicy pulp near aromatic thyme sprigs on crumpled surface
    Chicory stem with leaves — Stock Photo
    Chicory stem with leaves
    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
    Javan tree frog on a plant, Indonesia — Stock Photo
    Javan tree frog on a plant, Indonesia
    Medical illustration of the human nervous system and brain — Stock Photo
    Medical illustration of the human nervous system and brain
    Portrait of a dumpy frog on a plant stem, blurred background — Stock Photo
    Portrait of a dumpy frog on a plant stem, blurred background
    Cute boy and girl drawing at home — Stock Photo
    Cute boy and girl drawing at home
    Lemon on stem with leaves — Stock Photo
    Lemon on stem with leaves
    Unrecognizable female with red flower pestle sitting at table with white tablecloth near green foliage while cultivating plant at home — Stock Photo
    Unrecognizable female with red flower pestle sitting at table with white tablecloth near green foliage while cultivating plant at home
    Rustic wooden box with glass vases and plants — Stock Photo
    Rustic wooden box with glass vases and plants
    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
    Cropped image of bunch of green garlic — Stock Photo
    Cropped image of bunch of green garlic
    Computer programmers high-fiving at laptop in office — Stock Photo
    Computer programmers high-fiving at laptop in office
    Tall coniferous trees with lichen on trunks growing in dense woodland on cold weather — Stock Photo
    Tall coniferous trees with lichen on trunks growing in dense woodland on cold weather
    Brainstem and cerebellum structures — Stock Photo
    Brainstem and cerebellum structures
    From above of baking tray with various whole unpeeled carrots with stalks on brown background — Stock Photo
    From above of baking tray with various whole unpeeled carrots with stalks on brown background
    Attentive woman checking plant — Stock Photo
    Attentive woman checking plant
    Field harvesting on the fields — Stock Photo
    Field harvesting on the fields
    Teen girl holding dandelion seed head on long stem. — Stock Photo
    Teen girl holding dandelion seed head on long stem.
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom
    From above of festive stylish decorative Christmas bouquet with twigs of eucalyptus and bright red branches with berries placed on wooden table in room — Stock Photo
    From above of festive stylish decorative Christmas bouquet with twigs of eucalyptus and bright red branches with berries placed on wooden table in room
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Sommelier tasting glass of wine — Stock Photo
    Sommelier tasting glass of wine
    Girl students conducting scientific experiment, examining liquid in beaker in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment, examining liquid in beaker in laboratory classroom
    Pink Cadillac Cocktail — Stock Photo
    Pink Cadillac Cocktail
    Close Look At Anatomy Of Leaf — Stock Photo
    Close Look At Anatomy Of Leaf
    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.
    Eucalyptus stems with gift tags, string and scissors — Stock Photo
    Eucalyptus stems with gift tags, string and scissors
    Redcurrants with stem on tissue — Stock Photo
    Redcurrants with stem on tissue
    Still life of bunch of fresh garlic on table — Stock Photo
    Still life of bunch of fresh garlic on table