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    Boy in a library reading a book. — Stock Photo
    Boy in a library reading a book.
    Human brain, conceptual illustration. — Stock Photo
    Human brain, conceptual illustration.
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Mid adult businesswoman wearing headphones — Stock Photo
    Mid adult businesswoman wearing headphones
    Plastic drip bag on white background. — Stock Photo
    Plastic drip bag on white background.
    Crop hand of medic in blue gown and white glove squeezing tampon full of iodine in bowl during surgery — Stock Photo
    Crop hand of medic in blue gown and white glove squeezing tampon full of iodine in bowl during surgery
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Close-up of flask, lab weighing scale and equipment in laboratory — Stock Photo
    Close-up of flask, lab weighing scale and equipment in laboratory
    Male scientist placing medical vials on a lab machine in laboratory — Stock Photo
    Male scientist placing medical vials on a lab machine in laboratory
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Man holding a brain, computer illustration. — Stock Photo
    Man holding a brain, computer illustration.
    Male sign and impotence pills — Stock Photo
    Male sign and impotence pills
    Boy climbing up a rope — Stock Photo
    Boy climbing up a rope
    Doctor putting yellow leg brace on girl. — Stock Photo
    Doctor putting yellow leg brace on girl.
    Long haired exited Asian woman watching and touching white illuminating round lamps on table in waiting hall — Stock Photo
    Long haired exited Asian woman watching and touching white illuminating round lamps on table in waiting hall
    Creative business people — Stock Photo
    Creative business people
    Girls and boys in a classroom — Stock Photo
    Girls and boys in a classroom
    Girls and boys in a classroom — Stock Photo
    Girls and boys in a classroom
    Children wearing the teeshirt of the Science Club — Stock Photo
    Children wearing the teeshirt of the Science Club
    Children Green Science Fair event. — Stock Photo
    Children Green Science Fair event.
    College students experimenting chemical in laboratory at university — Stock Photo
    College students experimenting chemical in laboratory at university
    Scientists discussing over clipboard in lab — Stock Photo
    Scientists discussing over clipboard in lab
    Researchers hand mixing solution — Stock Photo
    Researchers hand mixing solution
    Surgeon operating a dog in operation theatre at animal hospital — Stock Photo
    Surgeon operating a dog in operation theatre at animal hospital
    From above of plastic blister packs with blue medical capsules placed on yellow background — Stock Photo
    From above of plastic blister packs with blue medical capsules placed on yellow background
    Students on a science lesson — Stock Photo
    Students on a science lesson
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Male doctor preparing syringe injection with people in background. — Stock Photo
    Male doctor preparing syringe injection with people in background.
    Businesswoman giving presentation — Stock Photo
    Businesswoman giving presentation
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Beaker, volumetric pipette and clipboard on table in laboratory — Stock Photo
    Beaker, volumetric pipette and clipboard on table in laboratory
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Worried male sitting on couch and speaking during mental psychotherapy session with psychologist — Stock Photo
    Worried male sitting on couch and speaking during mental psychotherapy session with psychologist
    Female doctor putting eye drops into young girl eyes. — Stock Photo
    Female doctor putting eye drops into young girl eyes.
    Female scientist examining test tube in laboratory — Stock Photo
    Female scientist examining test tube in laboratory
    Teacher teaching mathematics — Stock Photo
    Teacher teaching mathematics
    Businesswoman writing on whiteboard — Stock Photo
    Businesswoman writing on whiteboard
    Pregnant woman applying cream on tummy — Stock Photo
    Pregnant woman applying cream on tummy