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Senior male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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Senior male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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Portrait of a female researcher doing research in a lab (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Portrait of a female researcher doing research in a lab (shallow DOF; color toned image)
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Portrait of a female researcher doing research in a lab (shallow DOF; color toned image)
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Pretty, young woman celebrating joyfully her graduation - spreading wide her arms, holding her diploma, savouring her success (color toned image; shallow DOF)
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Teenager boy wearing jeans and shirt and reading book
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Young woman in shirt holding book above head
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Portrait of a female researcher doing research in a lab, using a tablet computer for data collection and visualization(shallow DOF; color toned image)
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Young woman in shirt holding book above head
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Woman in casual wear hiding her face behind book
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chemistry lab
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Woman in casual wear holding opened book in hands. Elements of this image are furnished by NASA
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Young woman in casual holding opened book with windmills
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Teenager boy wearing jeans and shirt and reading book
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Pretty young college student in a library (shallow DOF; color toned image)
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Unhappy teenage girl studying at the desk
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Genetically modified plant tested in petri dish
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Young funny girl with opened book in hands
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Young man in casual holding opened book with green tree
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Young funny girl with opened book in hands
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Young funny girl with opened book in hands
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Young funny girl with opened book in hands
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Young man in casual holding opened book with windmills
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Chemiistry lab (shallow DOF; color toned image)
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Woman teacher and boy at lesson touching media screen. Elements of this image are furnished by NASA
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Young asian boy at lesson touching media screen
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Young teacher and her pupils examining hologram of human heart
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Portrait of a female researcher carrying out research in a chemistry lab (color toned image; shallow DOF)
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Portrait of a female researcher doing research in a lab (shallow DOF; color toned image)
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Young female scientist works in modern chemistry/biology lab (shallow DOF; color toned image)
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Cute girl and boy at chemistry lesson making tests
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Cute girl and boy at chemistry lesson making tests
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Cute girl and boy at chemistry lesson making tests
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Cute girl and boy at chemistry lesson making tests
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Cute girl and boy at chemistry lesson making tests
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