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    Female paramedic CPR training with dummy outdoors. — Stock Photo
    Female paramedic CPR training with dummy outdoors.
    Human brain with highlighted middle frontal gyrus, computer illustration. It is part of the prefrontal cortex of the frontal lobe. It is involved in language, learning and attention. — Stock Photo
    Human brain with highlighted middle frontal gyrus, computer illustration. It is part of the prefrontal cortex of the frontal lobe. It is involved in language, learning and attention.
    High school students taking exam at tables — Stock Photo
    High school students taking exam at tables
    Teenage girl holding clipboard while practicing experiment in lab — Stock Photo
    Teenage girl holding clipboard while practicing experiment in lab
    Cute boy with blonde hair reading a book in armchair at home — Stock Photo
    Cute boy with blonde hair reading a book in armchair at home
    University students studying together — Stock Photo
    University students studying together
    Cute boy and girl at hme drawing — Stock Photo
    Cute boy and girl at hme drawing
    Curious girl student examining molecular structure — Stock Photo
    Curious girl student examining molecular structure
    Young woman reading a book in library — Stock Photo
    Young woman reading a book in library
    Male student with eyeglasses and headphones around neck looking at camera during lecture — Stock Photo
    Male student with eyeglasses and headphones around neck looking at camera during lecture
    Female nurse teaching girl patient with teddy bear how to use insulin pen — Stock Photo
    Female nurse teaching girl patient with teddy bear how to use insulin pen
    Junior high students studying — Stock Photo
    Junior high students studying
    Front view close up of a young mixed race female fashion student working on a design drawing on a lightbox in a studio at fashion college — Stock Photo
    Front view close up of a young mixed race female fashion student working on a design drawing on a lightbox in a studio at fashion college
    High school students taking exam at desks in classroom — Stock Photo
    High school students taking exam at desks in classroom
    Tourist on a walking trail with members of the San people, bushmen. — Stock Photo
    Tourist on a walking trail with members of the San people, bushmen.
    Grandfather teaching grandson to ride bicycle — Stock Photo
    Grandfather teaching grandson to ride bicycle
    Happy young mother learning adorable little baby to walk at home — Stock Photo
    Happy young mother learning adorable little baby to walk at home
    Teacher explaining material to student — Stock Photo
    Teacher explaining material to student
    Girl horseback riding in sunny grass paddock — Stock Photo
    Girl horseback riding in sunny grass paddock
    Mid-section of woman playing a guitar in music school — Stock Photo
    Mid-section of woman playing a guitar in music school
    Female instructor teaching horseback riding to girl in sunny paddock — Stock Photo
    Female instructor teaching horseback riding to girl in sunny paddock
    Rural female teacher pointing with finger for chinese students standing outdoor — Stock Photo
    Rural female teacher pointing with finger for chinese students standing outdoor
    Confident high school boy student giving presentation in classroom — Stock Photo
    Confident high school boy student giving presentation in classroom
    African american student smiling in class — Stock Photo
    African american student smiling in class
    College students with notebooks and digital tablet studying — Stock Photo
    College students with notebooks and digital tablet studying
    Schoolboy raising hand — Stock Photo
    Schoolboy raising hand
    Teenage girl operating video camera, vlogging — Stock Photo
    Teenage girl operating video camera, vlogging
    Two boys of four years old and twelve years old, sitting on deckchairs with their digital tablet — Stock Photo
    Two boys of four years old and twelve years old, sitting on deckchairs with their digital tablet
    Happy girl experimenting molecule at home — Stock Photo
    Happy girl experimenting molecule at home
    Mid-section female student playing guitar in a studio — Stock Photo
    Mid-section female student playing guitar in a studio
    Portrait confident mature female student at computer in computer lab — Stock Photo
    Portrait confident mature female student at computer in computer lab
    Portrait of Caucasian female conservation volunteer cleaning up river in the countryside, picking up rubbish. Ecology and social responsibility in rural environment. — Stock Photo
    Portrait of Caucasian female conservation volunteer cleaning up river in the countryside, picking up rubbish. Ecology and social responsibility in rural environment.
    Father with his son using digital tablet at home — Stock Photo
    Father with his son using digital tablet at home
    Boy learning rollerskating with grandfather in park. — Stock Photo
    Boy learning rollerskating with grandfather in park.
    Female fashion designers working at sewing machines in studio — Stock Photo
    Female fashion designers working at sewing machines in studio
    Cute little children with mother in swimming pool. — Stock Photo
    Cute little children with mother in swimming pool.
    Students watching teacher in cooking class kitchen — Stock Photo
    Students watching teacher in cooking class kitchen
    Student setting up generator experiment while instructor discusses HVAC system to student in wheelchair — Stock Photo
    Student setting up generator experiment while instructor discusses HVAC system to student in wheelchair
    Kids having fun with female instructor in swimming pool. — Stock Photo
    Kids having fun with female instructor in swimming pool.
    Cute little girl with slotted spoon and mixing bowl in kitchen — Stock Photo
    Cute little girl with slotted spoon and mixing bowl in kitchen
    Portrait of Caucasian male conservation volunteer cleaning up river in the countryside, his friends picking up rubbish in the background. Ecology and social responsibility in rural environment. — Stock Photo
    Portrait of Caucasian male conservation volunteer cleaning up river in the countryside, his friends picking up rubbish in the background. Ecology and social responsibility in rural environment.
    Couple enjoying cooking class in kitchen — Stock Photo
    Couple enjoying cooking class in kitchen
    Portrait smiling, confident young man with new car key — Stock Photo
    Portrait smiling, confident young man with new car key
    Artificial intelligence. Interconnected knowledge representation Ai. — Stock Photo
    Artificial intelligence. Interconnected knowledge representation Ai.
    Teacher calling on student with hand raised in adult education classroom — Stock Photo
    Teacher calling on student with hand raised in adult education classroom
    African young adult man studying — Stock Photo
    African young adult man studying
    Chinese woman looking through window in cafe — Stock Photo
    Chinese woman looking through window in cafe
    Happy female friends studying — Stock Photo
    Happy female friends studying
    Close-up of father teaching baby to walk at beach — Stock Photo
    Close-up of father teaching baby to walk at beach
    Side view of a young Asian female student wearing a hijab using a smartphone in a library — Stock Photo
    Side view of a young Asian female student wearing a hijab using a smartphone in a library
    Community college instructor helping student at computer in classroom — Stock Photo
    Community college instructor helping student at computer in classroom
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    College students discussing notes in science laboratory classroom — Stock Photo
    College students discussing notes in science laboratory classroom
    Children drawing having fun at home — Stock Photo
    Children drawing having fun at home
    Mature male community college student with headphones at computer in classroom — Stock Photo
    Mature male community college student with headphones at computer in classroom
    Portrait close up of a young African schoolboy wearing his school uniform and schoolbag, looking straight to camera smiling, at a township elementary school — Stock Photo
    Portrait close up of a young African schoolboy wearing his school uniform and schoolbag, looking straight to camera smiling, at a township elementary school
    Young woman with Down Syndrome measuring muffin mix — Stock Photo
    Young woman with Down Syndrome measuring muffin mix
    Woman and a child on lake dock taking a selfie — Stock Photo
    Woman and a child on lake dock taking a selfie
    Girl with headphones using digital tablet doing homework at table — Stock Photo
    Girl with headphones using digital tablet doing homework at table
    Cropped image of Hand making injection for dentures against white background — Stock Photo
    Cropped image of Hand making injection for dentures against white background