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    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Colored scanning electron micrograph of human mesenchymal stem cell. — Stock Photo
    Colored scanning electron micrograph of human mesenchymal stem cell.
    Lime tree stem — Stock Photo
    Lime tree stem
    Student demonstrating air conditioner recharging manifold with gauges in HVAC classroom — Stock Photo
    Student demonstrating air conditioner recharging manifold with gauges in HVAC classroom
    Section through a peanut stem — Stock Photo
    Section through a peanut stem
    Student in wheelchair examining air conditioner high pressure line in HVAC classroom — Stock Photo
    Student in wheelchair examining air conditioner high pressure line in HVAC classroom
    Side view of woman smelling red rose in the garden — Stock Photo
    Side view of woman smelling red rose in the garden
    Hand of teacher pointing to molecular structure on projection screen — Stock Photo
    Hand of teacher pointing to molecular structure on projection screen
    From above of festive Christmas bouquet with branches of cotton, fir and twigs of eucalyptus and bright red branches with berries placed on wooden table with candles in room — Stock Photo
    From above of festive Christmas bouquet with branches of cotton, fir and twigs of eucalyptus and bright red branches with berries placed on wooden table with candles in room
    Flower of sea holly plant on white background. — Stock Photo
    Flower of sea holly plant on white background.
    Teen picking peas to bowl — Stock Photo
    Teen picking peas to bowl
    Scientist in clean suit researching coronavirus in laboratory — Stock Photo
    Scientist in clean suit researching coronavirus in laboratory
    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
    Instructor discussing air conditioner recharging with student in wheelchair in HVAC classroom — Stock Photo
    Instructor discussing air conditioner recharging with student in wheelchair in HVAC classroom
    Orange Cocktail in Stem Glass — Stock Photo
    Orange Cocktail in Stem Glass
    Dense evergreen forest with covered by moss tall redwoods in Big Basin Redwoods State Park in USA — Stock Photo
    Dense evergreen forest with covered by moss tall redwoods in Big Basin Redwoods State Park in USA
    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
    Picturesque view of big meadow with red blooms and sunshine in sky — Stock Photo
    Picturesque view of big meadow with red blooms and sunshine in sky
    Dumpy frog hanging on a plant, closeup view — Stock Photo
    Dumpy frog hanging on a plant, closeup view
    Rustic wooden box with glass vases and plants — Stock Photo
    Rustic wooden box with glass vases and plants
    Dry trees with sticking roots in mountain valley in sunny day — Stock Photo
    Dry trees with sticking roots in mountain valley in sunny day
    Focused junior high girl student using computer in computer lab — Stock Photo
    Focused junior high girl student using computer in computer lab
    Focused boy student programming at computer in dark classroom — Stock Photo
    Focused boy student programming at computer in dark classroom
    Coral, X-ray, radiology scan — Stock Photo
    Coral, X-ray, radiology scan
    Black-eyed Susan stems grow side by side in a garden, looking the same as if to be a mirror image; Astoria, Oregon, United States of America — Stock Photo
    Black-eyed Susan stems grow side by side in a garden, looking the same as if to be a mirror image; Astoria, Oregon, United States of America
    Raw buna shimeji with curved stems and rounded white caps on rugged gray surface — Stock Photo
    Raw buna shimeji with curved stems and rounded white caps on rugged gray surface
    Top view of plants in glass flasks placed on yellow background with various leaves — Stock Photo
    Top view of plants in glass flasks placed on yellow background with various leaves
    Glasses filled with colorful liquids on concrete surface in bright sunlight — Stock Photo
    Glasses filled with colorful liquids on concrete surface in bright sunlight
    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
    Young pine tree stem — Stock Photo
    Young pine tree stem
    Cross-section through a cotton stem — Stock Photo
    Cross-section through a cotton stem
    Three flying frogs sitting on a plant, closeup view — Stock Photo
    Three flying frogs sitting on a plant, closeup view
    High angle of indigo milk cap edible mushroom growing on ground covered with dry leaves in autumn forest — Stock Photo
    High angle of indigo milk cap edible mushroom growing on ground covered with dry leaves in autumn forest
    Closeup view of Glass vases with eucalyptus — Stock Photo
    Closeup view of Glass vases with eucalyptus
    High angle of crop unrecognizable female carrying wicker basket with edible mushrooms in woods — Stock Photo
    High angle of crop unrecognizable female carrying wicker basket with edible mushrooms in woods
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    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
    Young Girl Dropping Parachute from Outdoor Stadium Stairs — Stock Photo
    Young Girl Dropping Parachute from Outdoor Stadium Stairs
    Closeup view of apple blossom bud on branch — Stock Photo
    Closeup view of apple blossom bud on branch
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom
    Junior high students using computers, listening to teacher in classroom — Stock Photo
    Junior high students using computers, listening to teacher in classroom
    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
    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
    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
    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
    From above of tender bright green flower on body of crop anonymous tanned person in sunlight — Stock Photo
    From above of tender bright green flower on body of crop anonymous tanned person in sunlight
    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
    Dumpy tree frog on a plant, Indonesia — Stock Photo
    Dumpy tree frog on a plant, Indonesia
    Illustration of pink stem cell on blue background. — Stock Photo
    Illustration of pink stem cell on blue background.
    Whiskey Cocktails in Stem Glasses — Stock Photo
    Whiskey Cocktails in Stem Glasses
    Specimens in rack on laboratory counter — Stock Photo
    Specimens in rack on laboratory counter
    Close-up of peaches on peach tree in garden — Stock Photo
    Close-up of peaches on peach tree in garden
    Man holding up goblet — Stock Photo
    Man holding up goblet
    Ice Cream Sundae with Berry Sauce — Stock Photo
    Ice Cream Sundae with Berry Sauce
    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
    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
    A bunch of green chard on background. Vegan organic diet concept — Stock Photo
    A bunch of green chard on background. Vegan organic diet concept