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961 results

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    Portrait of a young girl standing by a window holding the curtain — Stock Photo
    Portrait of a young girl standing by a window holding the curtain
    Young woman writing in book — Stock Photo
    Young woman writing in book
    Large radio antenna — Stock Photo
    Large radio antenna
    Portrait of a young girl wearing make-up standing by a curtain — Stock Photo
    Portrait of a young girl wearing make-up standing by a curtain
    Toddler playing an educational game. — Stock Photo
    Toddler playing an educational game.
    Human brain with connections showing activity, conceptual illustration. — Stock Photo
    Human brain with connections showing activity, conceptual illustration.
    Computer circuit board and human brain — Stock Photo
    Computer circuit board and human brain
    Grandfather and grandson playing chess in the garden — Stock Photo
    Grandfather and grandson playing chess in the garden
    Young male student practicing experiment while standing in lab — Stock Photo
    Young male student practicing experiment while standing in lab
    Girl standing on rope bridge — Stock Photo
    Girl standing on rope bridge
    Human brain, conceptual illustration — Stock Photo
    Human brain, conceptual illustration
    Male teacher relaxing in classroom at school — Stock Photo
    Male teacher relaxing in classroom at school
    Teenage girl wearing safety glasses while practicing science experiment in lab — Stock Photo
    Teenage girl wearing safety glasses while practicing science experiment in lab
    Close up of Game and chess pieces on dark background — Stock Photo
    Close up of Game and chess pieces on dark background
    Angled view of vintage checker board — Stock Photo
    Angled view of vintage checker board
    Crop shot of hand holding book — Stock Photo
    Crop shot of hand holding book
    Man walking up stairs — Stock Photo
    Man walking up stairs
    Girl learning to count on abacus — Stock Photo
    Girl learning to count on abacus
    Female face in side view in low poly style, digital illustration. — Stock Photo
    Female face in side view in low poly style, digital illustration.
    Teenage girls reading book — Stock Photo
    Teenage girls reading book
    University student using microscope — Stock Photo
    University student using microscope
    Junior high schoolgirls — Stock Photo
    Junior high schoolgirls
    Young man looking at the camera and smiling — Stock Photo
    Young man looking at the camera and smiling
    Math equations on whiteboard — Stock Photo
    Math equations on whiteboard
    Boy decorating Christmas cookies — Stock Photo
    Boy decorating Christmas cookies
    Young students practicing chemistry experiment in lab — Stock Photo
    Young students practicing chemistry experiment in lab
    Female student sitting at desk during lecture and smiling at camera — Stock Photo
    Female student sitting at desk during lecture and smiling at camera
    University student with raised eyebrow during seminar in classroom — Stock Photo
    University student with raised eyebrow during seminar in classroom
    University student taking exam, students in background writing — Stock Photo
    University student taking exam, students in background writing
    Industrial robots on black background, digital illustration. — Stock Photo
    Industrial robots on black background, digital illustration.
    Human brain, conceptual illustration. — Stock Photo
    Human brain, conceptual illustration.
    Attentive man playing chess at home — Stock Photo
    Attentive man playing chess at home
    Human brain, computer illustration — Stock Photo
    Human brain, computer illustration
    Student leaving classroom — Stock Photo
    Student leaving classroom
    Robotic toy sitting on reflective surface, digital illustration. — Stock Photo
    Robotic toy sitting on reflective surface, digital illustration.
    Schoolkids looking at each other in school campus on a sunny day — Stock Photo
    Schoolkids looking at each other in school campus on a sunny day
    Neural network, computer illustration — Stock Photo
    Neural network, computer illustration
    People talking to each other over a desk. — Stock Photo
    People talking to each other over a desk.
    Teacher teaching mathematics — Stock Photo
    Teacher teaching mathematics
    Portrait of a young girl standing by a window holding the curtain — Stock Photo
    Portrait of a young girl standing by a window holding the curtain
    Chinese businessman talking on phone outdoors — Stock Photo
    Chinese businessman talking on phone outdoors
    Student using laptop in the classroom at school — Stock Photo
    Student using laptop in the classroom at school
    Teenage girl using mobile phone — Stock Photo
    Teenage girl using mobile phone
    Portrait of a girl in a corn field touching a plant, USA — Stock Photo
    Portrait of a girl in a corn field touching a plant, USA
    Close up of Game and chess pieces on dark background — Stock Photo
    Close up of Game and chess pieces on dark background
    Man coming down stairs — Stock Photo
    Man coming down stairs
    Man going down mechanical stairs — Stock Photo
    Man going down mechanical stairs
    Portrait of an Australian shepherd wearing glasses — Stock Photo
    Portrait of an Australian shepherd wearing glasses
    Close up of Game and chess pieces on dark background — Stock Photo
    Close up of Game and chess pieces on dark background
    University students listening attentively at seminar — Stock Photo
    University students listening attentively at seminar
    Grandfather and grandson playing chess in the garden — Stock Photo
    Grandfather and grandson playing chess in the garden
    Students leaving school — Stock Photo
    Students leaving school
    Students sitting on tables in class — Stock Photo
    Students sitting on tables in class
    Smiling Chinese businessman with arms crossed in front of business building — Stock Photo
    Smiling Chinese businessman with arms crossed in front of business building
    Abstract structured network, digital illustration. — Stock Photo
    Abstract structured network, digital illustration.
    Teacher looking at schoolboy — Stock Photo
    Teacher looking at schoolboy
    Students in class raising hands — Stock Photo
    Students in class raising hands
    Network, conceptual computer illustration — Stock Photo
    Network, conceptual computer illustration
    Girl with face paint — Stock Photo
    Girl with face paint
    Stylish man in bright headphones surfing mobile phone and holding a credit card while leaning on marble wall — Stock Photo
    Stylish man in bright headphones surfing mobile phone and holding a credit card while leaning on marble wall