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    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Girl looking at bug under microscope at kitchen table — Stock Photo
    Girl looking at bug under microscope at kitchen table
    Skeleton model in high school hallway, Winston-Salem, North Carolina, USA — Stock Photo
    Skeleton model in high school hallway, Winston-Salem, North Carolina, USA
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion
    First grade boy building volcano in homeschool — Stock Photo
    First grade boy building volcano in homeschool
    Close-up of girl writing on blackboard in classroom — Stock Photo
    Close-up of girl writing on blackboard in classroom
    Female teacher and students conducting scientific experiment, watching liquid in test tube in laboratory classroom — Stock Photo
    Female teacher and students conducting scientific experiment, watching liquid in test tube in laboratory classroom
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes — Stock Photo
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes
    Curious students watching interactive earth exhibit in science center — Stock Photo
    Curious students watching interactive earth exhibit in science center
    Curious boy examining DNA model in classroom — Stock Photo
    Curious boy examining DNA model in classroom
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    University student using microscope — Stock Photo
    University student using microscope
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Curious boy using pipette in beaker at interactive exhibit in science center — Stock Photo
    Curious boy using pipette in beaker at interactive exhibit in science center
    Boy student programming at computer in dark classroom — Stock Photo
    Boy student programming at computer in dark classroom
    Kids playing at interactive exhibit in science center — Stock Photo
    Kids playing at interactive exhibit in science center
    Girl in a science class — Stock Photo
    Girl in a science class
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom