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    Scientist hand placing sample on slide under microscope. — Stock Photo
    Scientist hand placing sample on slide under microscope.
    Female students using computer while practicing experiment in lab — Stock Photo
    Female students using computer while practicing experiment in lab
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Girl standing in a snowy rural landscape — Stock Photo
    Girl standing in a snowy rural landscape
    The canyon of the river Glymur in the west of Iceland — Stock Photo
    The canyon of the river Glymur in the west of Iceland
    Side view of a Caucasian woman having a good time on a trip to the mountains, kneeling and taking a photo with a smartphone — Stock Photo
    Side view of a Caucasian woman having a good time on a trip to the mountains, kneeling and taking a photo with a smartphone
    Side view mid section of woman having a good time on a trip to the mountains, kneeling and taking a photo of flowers with a smartphone — Stock Photo
    Side view mid section of woman having a good time on a trip to the mountains, kneeling and taking a photo of flowers with a smartphone
    Archaeological excavations. Human skeleton remains found in an ancient tomb. — Stock Photo
    Archaeological excavations. Human skeleton remains found in an ancient tomb.
    Senior couple on safari watching zebras in distance South Africa — Stock Photo
    Senior couple on safari watching zebras in distance South Africa
    Delighted female cosmonaut in spacesuit holding helmet in hands and standing in snowy woodland while looking at camera — Stock Photo
    Delighted female cosmonaut in spacesuit holding helmet in hands and standing in snowy woodland while looking at camera
    Scenic view fog breaking over scenic mountains Atlantic Ocean Greenland — Stock Photo
    Scenic view fog breaking over scenic mountains Atlantic Ocean Greenland
    Biological samples in Petri dishes and microscope on laboratory table. — Stock Photo
    Biological samples in Petri dishes and microscope on laboratory table.
    Woman on bench looking at city views from above — Stock Photo
    Woman on bench looking at city views from above
    Curious girl students conducting scientific experiment in laboratory classroom — Stock Photo
    Curious girl students conducting scientific experiment in laboratory classroom
    University students doing experiment on microscope in laboratory at college — Stock Photo
    University students doing experiment on microscope in laboratory at college
    Close-up of executive looking at futuristic screen in office — Stock Photo
    Close-up of executive looking at futuristic screen in office
    Archaeological excavations. Young archaeologist excavating part of human skeleton and skull from the ground. — Stock Photo
    Archaeological excavations. Young archaeologist excavating part of human skeleton and skull from the ground.
    Attentive university student doing a experiment in laboratory — Stock Photo
    Attentive university student doing a experiment in laboratory
    Young men with binoculars bird watching in woods — Stock Photo
    Young men with binoculars bird watching in woods
    Female rock climber at belay anchor point on Tryfan in North Wales — Stock Photo
    Female rock climber at belay anchor point on Tryfan in North Wales
    1qAfrosty tent on a field in South Wales — Stock Photo
    1qAfrosty tent on a field in South Wales
    Curious boy stacking large dominos in science center — Stock Photo
    Curious boy stacking large dominos in science center
    Portrait of seventeen year old girl standing in field of tall grasses, Discovery Park, Seattle, Washington — Stock Photo
    Portrait of seventeen year old girl standing in field of tall grasses, Discovery Park, Seattle, Washington
    Many blue chairs on background, close up — Stock Photo
    Many blue chairs on background, close up
    Long haired woman standing on railways overgrown with dry grass — Stock Photo
    Long haired woman standing on railways overgrown with dry grass
    Boy hiking through a forest, Lake Superior Provincial Park, United States — Stock Photo
    Boy hiking through a forest, Lake Superior Provincial Park, United States
    Young girl preschool age feeding pony and farm animals — Stock Photo
    Young girl preschool age feeding pony and farm animals
    A man in a red dress with a backpack and a tent in the background — Stock Photo
    A man in a red dress with a backpack and a tent in the background
    Stilt houses next to the river in Ayutthaya — Stock Photo
    Stilt houses next to the river in Ayutthaya
    Low angle of attentive young Hispanic male traveler in warm clothes and hat looking away while standing near picturesque waterfall flowing through rocky ravine with photo camera in hands — Stock Photo
    Low angle of attentive young Hispanic male traveler in warm clothes and hat looking away while standing near picturesque waterfall flowing through rocky ravine with photo camera in hands
    Climbing ferrata route, named as Estrechos de La Hoz, in Teruel, Aragon in Spain. — Stock Photo
    Climbing ferrata route, named as Estrechos de La Hoz, in Teruel, Aragon in Spain.
    Happy female strolling on empty narrow street — Stock Photo
    Happy female strolling on empty narrow street
    Rear view of a young woman kayaking, Molveno lake, Trentino, Italy — Stock Photo
    Rear view of a young woman kayaking, Molveno lake, Trentino, Italy
    Eager girl students raising arms behind microscopes in laboratory classroom — Stock Photo
    Eager girl students raising arms behind microscopes in laboratory classroom
    Curious girl holding feather outside campsite tent — Stock Photo
    Curious girl holding feather outside campsite tent
    Ethnic cheerful male photographer sitting in car and taking photos of nature during holiday on safari — Stock Photo
    Ethnic cheerful male photographer sitting in car and taking photos of nature during holiday on safari
    Men riding their adventure motorbikes on dusty road in Cambodia — Stock Photo
    Men riding their adventure motorbikes on dusty road in Cambodia
    A woman with an intense gaze works at desktop computer in dark room — Stock Photo
    A woman with an intense gaze works at desktop computer in dark room
    Close up of rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    Man climbing the arch at Moon Hill in Yangshuo — Stock Photo
    Man climbing the arch at Moon Hill in Yangshuo
    Native American woman in sun dress driving a white convertible sports car on desert dirt road — Stock Photo
    Native American woman in sun dress driving a white convertible sports car on desert dirt road
    Close-up of hands of scientist holding test tube. — Stock Photo
    Close-up of hands of scientist holding test tube.
    Teacher and students using touch screen computers — Stock Photo
    Teacher and students using touch screen computers
    Man hiking in the forest, Bosnia and Herzegovina — Stock Photo
    Man hiking in the forest, Bosnia and Herzegovina
    Back view of unrecognizable hiker in blanket standing on stone and observing amazing scenery of highlands valley on sunny day — Stock Photo
    Back view of unrecognizable hiker in blanket standing on stone and observing amazing scenery of highlands valley on sunny day
    Back view anonymous male traveler in casual outfit standing on rough rocky mountain top and admiring highlands scenery on overcast weather in Seville Spain — Stock Photo
    Back view anonymous male traveler in casual outfit standing on rough rocky mountain top and admiring highlands scenery on overcast weather in Seville Spain
    Mid-section of university student doing a chemical experiment in laboratory — Stock Photo
    Mid-section of university student doing a chemical experiment in laboratory
    Woman swimming through an underwater cave, Koror, Palau — Stock Photo
    Woman swimming through an underwater cave, Koror, Palau
    Curious young hiker couple using binoculars and camera in sunny woods — Stock Photo
    Curious young hiker couple using binoculars and camera in sunny woods
    Back view of unrecognizable male mountaineer in warm activewear with backpack standing on slope of snowy rocky mountain and enjoying spectacular landscape in sunny winter day — Stock Photo
    Back view of unrecognizable male mountaineer in warm activewear with backpack standing on slope of snowy rocky mountain and enjoying spectacular landscape in sunny winter day
    Empty test tubes in red rack. — Stock Photo
    Empty test tubes in red rack.
    Side view of two scientists doing experiment in lab — Stock Photo
    Side view of two scientists doing experiment in lab
    Young adolescent with virtual reality glasses laying on grass outdoors near a lake with a book — Stock Photo
    Young adolescent with virtual reality glasses laying on grass outdoors near a lake with a book
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Scientist in white uniform putting on protective mask — Stock Photo
    Scientist in white uniform putting on protective mask
    Portrait smiling woman with red hair hiking in woods — Stock Photo
    Portrait smiling woman with red hair hiking in woods
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Archaeology researcher performing lithics analysis with magnifying glass and measuring artifacts with straightedge tool. — Stock Photo
    Archaeology researcher performing lithics analysis with magnifying glass and measuring artifacts with straightedge tool.
    Illustration of Mars planet in shadow on white background. — Stock Photo
    Illustration of Mars planet in shadow on white background.
    Portrait male speaker with microphone talking on stage — Stock Photo
    Portrait male speaker with microphone talking on stage