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    Doctors holding x-ray of human skull. — Stock Photo
    Doctors holding x-ray of human skull.
    Students examining condenser coil on refrigeration unit in HVAC classroom — Stock Photo
    Students examining condenser coil on refrigeration unit in HVAC classroom
    Female university student studying at desk in classroom — Stock Photo
    Female university student studying at desk in classroom
    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Distance learning online education. A schoolboy boy studies at home and does school homework. A home distance learning. — Stock Photo
    Distance learning online education. A schoolboy boy studies at home and does school homework. A home distance learning.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Girls studying in classroom — Stock Photo
    Girls studying in classroom
    Business people using digital tablet in meeting — Stock Photo
    Business people using digital tablet in meeting
    Smiling young female community college students at microphone in journalism class — Stock Photo
    Smiling young female community college students at microphone in journalism class
    College students hanging out studying on park bench — Stock Photo
    College students hanging out studying on park bench
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Siblings studying together in living room at home — Stock Photo
    Siblings studying together in living room at home
    Portrait of a Caucasian boy wearing a face mask, sitting on his desk in class at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Portrait of a Caucasian boy wearing a face mask, sitting on his desk in class at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Teenage girl using tablet while standing in lab — Stock Photo
    Teenage girl using tablet while standing in lab
    Archaeologists reconstructing broken pottery in laboratory. — Stock Photo
    Archaeologists reconstructing broken pottery in laboratory.
    Focused junior high boy student using computer in computer lab — Stock Photo
    Focused junior high boy student using computer in computer lab
    Thoughtful teenage girl sitting in classroom at university — Stock Photo
    Thoughtful teenage girl sitting in classroom at university
    Archaeology researcher in laboratory reconstructing ancient tool. — Stock Photo
    Archaeology researcher in laboratory reconstructing ancient tool.
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Side view of a young mixed race female fashion student looking up at designs on a wall in a studio at fashion college, with defocused foreground — Stock Photo
    Side view of a young mixed race female fashion student looking up at designs on a wall in a studio at fashion college, with defocused foreground
    Students at computers in adult education classroom — Stock Photo
    Students at computers in adult education classroom
    Mother helping daughter with homework at home — Stock Photo
    Mother helping daughter with homework at home
    Male surgeon examining x-ray at hospital — Stock Photo
    Male surgeon examining x-ray at hospital
    Students standing against pinboard in class — Stock Photo
    Students standing against pinboard in class
    College students studying and using digital tablet in park — Stock Photo
    College students studying and using digital tablet in park
    Female student wearing protective eyewear — Stock Photo
    Female student wearing protective eyewear
    Female Asian scientist examining plants in laboratory. — Stock Photo
    Female Asian scientist examining plants in laboratory.
    Portrait of teenage girl holding clipboard while standing in lab — Stock Photo
    Portrait of teenage girl holding clipboard while standing in lab
    Father and sons using digital tablet, smartphone and reading book in kitchen — Stock Photo
    Father and sons using digital tablet, smartphone and reading book in kitchen
    Schoolgirl writing on chalkboard in classroom at school — Stock Photo
    Schoolgirl writing on chalkboard in classroom at school
    Young men college students studying with laptop at table — Stock Photo
    Young men college students studying with laptop at table
    Female biologist in white coat pouring water in soil sample. — Stock Photo
    Female biologist in white coat pouring water in soil sample.
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Young man working on bed with notebook and laptop at home. — Stock Photo
    Young man working on bed with notebook and laptop at home.
    Female friends reading notes — Stock Photo
    Female friends reading notes
    Young lady in red coat using device and sitting on seat in autumn forest — Stock Photo
    Young lady in red coat using device and sitting on seat in autumn forest
    Boy doing his lessons at home — Stock Photo
    Boy doing his lessons at home
    A young student works on a table near a pub window — Stock Photo
    A young student works on a table near a pub window
    Young man reading book surrounded by moving boxes in apartment — Stock Photo
    Young man reading book surrounded by moving boxes in apartment
    High school teacher talking with students at table in classroom — Stock Photo
    High school teacher talking with students at table in classroom
    College students hanging out studying on park bench — Stock Photo
    College students hanging out studying on park bench
    College students talking and studying in library — Stock Photo
    College students talking and studying in library
    Junior high students discussing — Stock Photo
    Junior high students discussing
    Schoolboy using digital tablet in classroom at school — Stock Photo
    Schoolboy using digital tablet in classroom at school
    University students discussing reports in laboratory — Stock Photo
    University students discussing reports in laboratory
    Chinese children collecting sample of leaves in woods — Stock Photo
    Chinese children collecting sample of leaves in woods
    Chinese couple using laptop in cafe — Stock Photo
    Chinese couple using laptop in cafe
    Portrait of an Asian boy sitting at desk wearing face mask in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Portrait of an Asian boy sitting at desk wearing face mask in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Female college student using microscope while practicing experiment in lab — Stock Photo
    Female college student using microscope while practicing experiment in lab
    Father assisting daughter in homework at home — Stock Photo
    Father assisting daughter in homework at home
    Male hands taking sample from agar plate for microbiology research. — Stock Photo
    Male hands taking sample from agar plate for microbiology research.
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background — Stock Photo
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background
    College students discussing homework together — Stock Photo
    College students discussing homework together
    Focused college students studying in classroom — Stock Photo
    Focused college students studying in classroom
    Young asian people working together working together with laptop in office — Stock Photo
    Young asian people working together working together with laptop in office
    Female Caucasian teacher and multi ethnic group of kids using laptop during the lesson. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Female Caucasian teacher and multi ethnic group of kids using laptop during the lesson. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers.
    Young male college student studying at desk in classroom — Stock Photo
    Young male college student studying at desk in classroom
    Smiling boy reading book — Stock Photo
    Smiling boy reading book