En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
29716373 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    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)
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment 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
    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
    Side view of graceful European crested tit with spotted head sitting on plant stem in lush green meadow on sunny day — Stock Photo
    Side view of graceful European crested tit with spotted head sitting on plant stem in lush green meadow on sunny day
    Teen girl holding dandelion seed head on long stem. — Stock Photo
    Teen girl holding dandelion seed head on long stem.
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Two dumpy frogs hanging on a plant, closeup view — Stock Photo
    Two dumpy frogs hanging on a plant, closeup view
    Coral, X-ray, radiology scan — Stock Photo
    Coral, X-ray, radiology scan
    Sincere child in gardening apron with watering pot and blooming plant while looking away against Alocasia in balcony — Stock Photo
    Sincere child in gardening apron with watering pot and blooming plant while looking away against Alocasia in balcony
    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
    Cranberry farm in Massachusetts. — Stock Photo
    Cranberry farm in Massachusetts.
    Flower of chrysanthemum plant on white background. — Stock Photo
    Flower of chrysanthemum plant on white background.
    Close-up of bee fly hanging on wildflower stem. — Stock Photo
    Close-up of bee fly hanging on wildflower stem.
    Man holding up goblet — Stock Photo
    Man holding up goblet
    Still life close up fresh, organic, healthy green leek stems on wood — Stock Photo
    Still life close up fresh, organic, healthy green leek stems on wood
    Long leaves and flower buds, X-ray. — Stock Photo
    Long leaves and flower buds, X-ray.
    Pumpkins for sale at a market outdoors — Stock Photo
    Pumpkins for sale at a market outdoors
    Close-up shot of delicious Rainbow chard — Stock Photo
    Close-up shot of delicious Rainbow chard
    Closeup green tomatoes ripening on branches of plant growing in agricultural field in countryside — Stock Photo
    Closeup green tomatoes ripening on branches of plant growing in agricultural field in countryside
    Crop anonymous female harvester collecting fresh tomatoes from plant near straw basket in countryside — Stock Photo
    Crop anonymous female harvester collecting fresh tomatoes from plant near straw basket in countryside
    Young Asian woman cutting rose stem with secateurs — Stock Photo
    Young Asian woman cutting rose stem with secateurs
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory — Stock Photo
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Woman standing in a garden holding a dahlia flower, Serbia — Stock Photo
    Woman standing in a garden holding a dahlia flower, Serbia
    Male junior high teacher leading lesson at projection screen in classroom — Stock Photo
    Male junior high teacher leading lesson at projection screen in classroom
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Cochlicopa snail sticking on wild plant stem. — Stock Photo
    Cochlicopa snail sticking on wild plant stem.
    Sunlit drop of water on stem — Stock Photo
    Sunlit drop of water on stem
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Student in wheelchair beside furnace fuel flow controls in HVAC classroom — Stock Photo
    Student in wheelchair beside furnace fuel flow controls in HVAC classroom
    Top view of pair of worn brown leather shoes placed on grassy lawn in nature — Stock Photo
    Top view of pair of worn brown leather shoes placed on grassy lawn in nature
    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
    Close-up of delicate white blossom of Snakes Head Fritillary on meadow. — Stock Photo
    Close-up of delicate white blossom of Snakes Head Fritillary on meadow.
    Junior high girl student using computer in computer lab — Stock Photo
    Junior high girl student using computer in computer lab
    Pink cherry blossom, scissors, paper and string — Stock Photo
    Pink cherry blossom, scissors, paper and string
    Top view of various types of succulent plants placed in pots on wooden table in light place — Stock Photo
    Top view of various types of succulent plants placed in pots on wooden table in light place
    Close-up view of Swiss Chard Leaf — Stock Photo
    Close-up view of Swiss Chard Leaf
    Crop person holding huge green leaf of fern against empty asphalt road among blurred dense forest with bare trees during daytime — Stock Photo
    Crop person holding huge green leaf of fern against empty asphalt road among blurred dense forest with bare trees during daytime
    Illustration of yellow stem cell on blue background. — Stock Photo
    Illustration of yellow stem cell on blue background.
    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
    Rustic composition of green stem on board with rough fabric and oat grains on wooden table — Stock Photo
    Rustic composition of green stem on board with rough fabric and oat grains on wooden table
    Portrait confident students holding molecular structures in laboratory classroom — Stock Photo
    Portrait confident students holding molecular structures in laboratory classroom
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Leaves branching off a stem — Stock Photo
    Leaves branching off a stem
    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
    Glazed Orange In Glass — Stock Photo
    Glazed Orange In Glass
    Closeup of tropical leaf with blurred effect, black background — Stock Photo
    Closeup of tropical leaf with blurred effect, black background
    Stem cell research — Stock Photo
    Stem cell research
    Overhead View of Student Working at Table on School Science Project — Stock Photo
    Overhead View of Student Working at Table on School Science Project
    Small unripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Small unripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    From above of whole green and red cherry tomatoes in bowl collected in farm during harvest season — Stock Photo
    From above of whole green and red cherry tomatoes in bowl collected in farm during harvest season
    Close-up of ladybug larva in pupa stage on stem. — Stock Photo
    Close-up of ladybug larva in pupa stage on stem.
    Close-up view of flower against blurred background — Stock Photo
    Close-up view of flower against blurred background
    Sommelier sniffing glass of wine — Stock Photo
    Sommelier sniffing glass of wine
    Computer programmers programming virtual reality simulator glasses in office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in office
    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).
    A hummingbird sits on a branch — Stock Photo
    A hummingbird sits on a branch
    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
    Green spinach foliage with veins and stems in bowl on white surface — Stock Photo
    Green spinach foliage with veins and stems in bowl on white surface