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35146294 results

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    Junior high students writing — Stock Photo
    Junior high students writing
    Boy holding figure on chess board — Stock Photo
    Boy holding figure on chess board
    Portrait of labrador retriever wearing spectacles — Stock Photo
    Portrait of labrador retriever wearing spectacles
    Large radio antenna — Stock Photo
    Large radio antenna
    Front view of mixed race mother wearing hijab and daughter sitting and reading book in living room at home — Stock Photo
    Front view of mixed race mother wearing hijab and daughter sitting and reading book in living room at home
    Schoolboy using digital tablet in classroom at school — Stock Photo
    Schoolboy using digital tablet in classroom at school
    Young man looking at the camera and smiling — Stock Photo
    Young man looking at the camera and smiling
    Little girl in yellow dress holding frog in hands — Stock Photo
    Little girl in yellow dress holding frog in hands
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Female students performing science experiment — Stock Photo
    Female students performing science experiment
    Yellow astronaut in space suit, abstract digital illustration. — Stock Photo
    Yellow astronaut in space suit, abstract digital illustration.
    Female friends talking in locker room — Stock Photo
    Female friends talking in locker room
    Hand of teacher writing spelling — Stock Photo
    Hand of teacher writing spelling
    Grandfather and grandson shaking hands over chessboard — Stock Photo
    Grandfather and grandson shaking hands over chessboard
    Boy writing in book — Stock Photo
    Boy writing in book
    High angle view of teenage girl practicing experiment in lab — Stock Photo
    High angle view of teenage girl practicing 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
    Girl standing under umbrella — Stock Photo
    Girl standing under umbrella
    Schoolgirl writing in workbook at class — Stock Photo
    Schoolgirl writing in workbook at class
    Mature man talking phone on street — Stock Photo
    Mature man talking phone on street
    Young students studying in classroom — Stock Photo
    Young students studying in classroom
    Brain neurons, conceptual illustration — Stock Photo
    Brain neurons, conceptual illustration
    Human nervous system, computer illustration — Stock Photo
    Human nervous system, computer illustration
    Front view of happy African-American father and son reading book while lying on floor at home — Stock Photo
    Front view of happy African-American father and son reading book while lying on floor at home
    Artificial intelligence nerve cell, conceptual digital illustration. — Stock Photo
    Artificial intelligence nerve cell, conceptual digital illustration.
    Portrait of a young girl wearing make-up wrapped in a curtain — Stock Photo
    Portrait of a young girl wearing make-up wrapped in a curtain
    Portrait of Chinese businesswoman with arms crossed on street — Stock Photo
    Portrait of Chinese businesswoman with arms crossed on street
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Stylish man with backpack looking away standing in yard with red metal construction in sunny day — Stock Photo
    Stylish man with backpack looking away standing in yard with red metal construction in sunny day
    Circuit board connections, digital illustration. — Stock Photo
    Circuit board connections, digital illustration.
    Teacher assisting schoolboy studying — Stock Photo
    Teacher assisting schoolboy studying
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Teenage boy and girl reading book — Stock Photo
    Teenage boy and girl reading book
    The human brain represented by light points connected by lines, 3d illustration. — Stock Photo
    The human brain represented by light points connected by lines, 3d illustration.
    Students sitting in classroom — Stock Photo
    Students sitting in classroom
    Human brain, computer illustration — Stock Photo
    Human brain, computer illustration
    Side view of Chinese businesswoman holding digital tablet in city — Stock Photo
    Side view of Chinese businesswoman holding digital tablet in city
    Teenage girl wearing safety glasses while practicing science experiment in lab — Stock Photo
    Teenage girl wearing safety glasses while practicing science experiment in lab
    Students studying in the classroom at school — Stock Photo
    Students studying in the classroom at school
    X-ray of the head and human brain in concept of neural connections and electrical pulses. — Stock Photo
    X-ray of the head and human brain in concept of neural connections and electrical pulses.
    Large radio antenna — Stock Photo
    Large radio antenna
    University student with raised eyebrow during seminar in classroom — Stock Photo
    University student with raised eyebrow during seminar in classroom
    Attentive man playing chess at home — Stock Photo
    Attentive man playing chess at home
    Girl lifts her hair from her forehead to have her temperature measured — Stock Photo
    Girl lifts her hair from her forehead to have her temperature measured
    Boy holding figure on chess board — Stock Photo
    Boy holding figure on chess board
    Human organs in container on desk — Stock Photo
    Human organs in container on desk
    Student reading book in college library — Stock Photo
    Student reading book in college library
    Smiling schoolboy sitting at desk — Stock Photo
    Smiling schoolboy sitting at desk
    Stasi archives, Berlin, Germany — Stock Photo
    Stasi archives, Berlin, Germany
    Attentive man playing chess at home — Stock Photo
    Attentive man playing chess at home
    Schoolkids taking selfie with mobile phone in school campus on a sunny day — Stock Photo
    Schoolkids taking selfie with mobile phone in school campus on a sunny day
    Friends playing board game — Stock Photo
    Friends playing board game
    University students listening attentively at seminar — Stock Photo
    University students listening attentively at seminar
    Woman walking while she looking at her smartphone on the street — Stock Photo
    Woman walking while she looking at her smartphone on the street
    Schoolgirl writing in book — Stock Photo
    Schoolgirl writing in book
    Girl rising hand up and answer to teacher — Stock Photo
    Girl rising hand up and answer to teacher
    Content curly woman looking away walking between bookshelves in library of Texas — Stock Photo
    Content curly woman looking away walking between bookshelves in library of Texas
    Thoughtful teacher sitting on desk — Stock Photo
    Thoughtful teacher sitting on desk
    Artificial intelligence. Interconnected knowledge representation Ai. — Stock Photo
    Artificial intelligence. Interconnected knowledge representation Ai.
    Cute girl sitting at desk — Stock Photo
    Cute girl sitting at desk