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    Attentive university students doing a experiment in laboratory — Stock Photo
    Attentive university students doing a experiment in laboratory
    Female scientist soldering circuit board in laboratory — Stock Photo
    Female scientist soldering circuit board in laboratory
    Human fetus age 40 weeks — Stock Photo
    Human fetus age 40 weeks
    Boy and his grandfather making crosswords — Stock Photo
    Boy and his grandfather making crosswords
    Business people climbing on money tree — Stock Photo
    Business people climbing on money tree
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Front view of a young Caucasian female fashion student holding a pattern while working on a design in a studio at fashion college — Stock Photo
    Front view of a young Caucasian female fashion student holding a pattern while working on a design in a studio at fashion college
    Carpenter cutting frame with a circular saw at a building construction site — Stock Photo
    Carpenter cutting frame with a circular saw at a building construction site
    View of fetus at 12 weeks — Stock Photo
    View of fetus at 12 weeks
    Dot to dot businesswoman on graph — Stock Photo
    Dot to dot businesswoman on graph
    Carpenter placing a rafter for house construction — Stock Photo
    Carpenter placing a rafter for house construction
    Carpenter lifting wall studs at a building construction site — Stock Photo
    Carpenter lifting wall studs at a building construction site
    Lot of various cargo containers in harbor at China — Stock Photo
    Lot of various cargo containers in harbor at China
    Realistic human fetus at week 38, computer illustration. — Stock Photo
    Realistic human fetus at week 38, computer illustration.
    Close-up of pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Side view of cute naked boy sitting and looking at Shar-Pei dog on white background. — Stock Photo
    Side view of cute naked boy sitting and looking at Shar-Pei dog on white background.
    Hackers coding for charity at hackathon — Stock Photo
    Hackers coding for charity at hackathon
    Hispanic carpenters leveling boards on roof of an under construction house — Stock Photo
    Hispanic carpenters leveling boards on roof of an under construction house
    Light bulb plant on pink background — Stock Photo
    Light bulb plant on pink background
    Construction worker measuring wood in driveway — Stock Photo
    Construction worker measuring wood in driveway
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Rear view of a multi-ethnic group of male baseball players, preparing before a game, standing in a changing room, team huddling, fist bumping, interacting, motivating each other — Stock Photo
    Rear view of a multi-ethnic group of male baseball players, preparing before a game, standing in a changing room, team huddling, fist bumping, interacting, motivating each other
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Hispanic carpenters working on roof beams at a house under construction — Stock Photo
    Hispanic carpenters working on roof beams at a house under construction
    Medical illustration of fetus development — Stock Photo
    Medical illustration of fetus development
    Enthusiastic computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Enthusiastic computer programmers testing virtual reality simulator glasses in office
    Portrait of a grandmother helping her grandson stand up — Stock Photo
    Portrait of a grandmother helping her grandson stand up
    Carpenter hammering on upper floor joists at a building construction site — Stock Photo
    Carpenter hammering on upper floor joists at a building construction site
    Carpenter walking on a rafter on floor joists — Stock Photo
    Carpenter walking on a rafter on floor joists
    Modern Architecture of Shanghai Oriental Sports Center, China — Stock Photo
    Modern Architecture of Shanghai Oriental Sports Center, China
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    Illustration of human foetus on week 8 on white background. — Stock Photo
    Illustration of human foetus on week 8 on white background.
    Close up of serious girl assembling jigsaw puzzle — Stock Photo
    Close up of serious girl assembling jigsaw puzzle
    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
    Office buildings in city with modern architecture, low angle view — Stock Photo
    Office buildings in city with modern architecture, low angle view
    View of Fetus at 29 weeks — Stock Photo
    View of Fetus at 29 weeks
    Aerial shot of city with dense infrastructure and mountains on background. — Stock Photo
    Aerial shot of city with dense infrastructure and mountains on background.
    Unrecognizable female painter looking through drawings at workpl — Stock Photo
    Unrecognizable female painter looking through drawings at workpl
    Teenage boy experimenting chemical solution in laboratory — Stock Photo
    Teenage boy experimenting chemical solution in laboratory
    Attentive university student using laptop in college — Stock Photo
    Attentive university student using laptop in college
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Panoramic amazing aerial view of Bal Cambori skyscrapers early in the morning, Brazil. — Stock Photo
    Panoramic amazing aerial view of Bal Cambori skyscrapers early in the morning, Brazil.
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    A millennial male using a power washer to clean suds off his hands. — Stock Photo
    A millennial male using a power washer to clean suds off his hands.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Adorable naked little boy in blue knitted hand lying on blue background. — Stock Photo
    Adorable naked little boy in blue knitted hand lying on blue background.
    Empty asphalt crossroad amid big glasses buildings with blue sky on background at dusk in Dallas, Texas New York — Stock Photo
    Empty asphalt crossroad amid big glasses buildings with blue sky on background at dusk in Dallas, Texas New York
    Baby girl admiring herself in mirror — Stock Photo
    Baby girl admiring herself in mirror
    Female cosmonaut in spacesuit holding helmet in hands crouched in snowy woodland while looking at camera — Stock Photo
    Female cosmonaut in spacesuit holding helmet in hands crouched in snowy woodland while looking at camera
    Designers brainstorming in conference room meeting — Stock Photo
    Designers brainstorming in conference room meeting
    High angle of crop anonymous person with soil and figure of windmill representing concept of alternative energy for agriculture — Stock Photo
    High angle of crop anonymous person with soil and figure of windmill representing concept of alternative energy for agriculture
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Carpenter sawing a particle board at a building construction site — Stock Photo
    Carpenter sawing a particle board at a building construction site
    Male teacher teaching students in the class at school — Stock Photo
    Male teacher teaching students in the class at school
    HSB Turning Torso against sky — Stock Photo
    HSB Turning Torso against sky
    Exterior of building placed in residential district in city under blue sky in daytime — Stock Photo
    Exterior of building placed in residential district in city under blue sky in daytime
    Hispanic carpenter snapping a string line on a roof panel at a house under construction — Stock Photo
    Hispanic carpenter snapping a string line on a roof panel at a house under construction
    Industrial robotic arm working at high tech factory. — Stock Photo
    Industrial robotic arm working at high tech factory.
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish. — Stock Photo
    Conceptual digital illustration of artificial fertilization with blastocyst in Petri dish.
    Front view close up of a young African schoolgirl sitting at a desk smiling and listening attentively during a lesson in a township elementary school classroom — Stock Photo
    Front view close up of a young African schoolgirl sitting at a desk smiling and listening attentively during a lesson in a township elementary school classroom