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    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (blue) are seen in the heads. Zebrafish eggs are transparent — Stock Photo
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (blue) are seen in the heads. Zebrafish eggs are transparent
    Side view of concentrated man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day — Stock Photo
    Side view of concentrated man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day
    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
    Side view close up of a young Asian female student wearing a hijab reading a book and studying in a library — Stock Photo
    Side view close up of a young Asian female student wearing a hijab reading a book and studying in a library
    Close-up of scientist examining aubergine in greenhouse — Stock Photo
    Close-up of scientist examining aubergine in greenhouse
    Microscope on table in laboratory — Stock Photo
    Microscope on table in laboratory
    Full body male astronaut in spacesuit browsing data on netbook while sitting on rock outside station with rocket shaped antennas — Stock Photo
    Full body male astronaut in spacesuit browsing data on netbook while sitting on rock outside station with rocket shaped antennas
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    University students doing experiment on microscope in laboratory at college — Stock Photo
    University students doing experiment on microscope in laboratory at college
    Crop unrecognizable scientist with plant in plastic tube on yellow background in studio — Stock Photo
    Crop unrecognizable scientist with plant in plastic tube on yellow background in studio
    Instructor discussing fuel mixture controls for furnace in HVAC classroom while one student in wheelchair taking notes — Stock Photo
    Instructor discussing fuel mixture controls for furnace in HVAC classroom while one student in wheelchair taking notes
    Female scientist holding specimen in green house — Stock Photo
    Female scientist holding specimen in green house
    Front view close up of a young Asian female student wearing a hijab reading a book, using a laptop computer and studying in a library — Stock Photo
    Front view close up of a young Asian female student wearing a hijab reading a book, using a laptop computer and studying in a library
    Female scientist working in a laboratory. — Stock Photo
    Female scientist working in a laboratory.
    Close-up of digital tablet and circuit board on table — Stock Photo
    Close-up of digital tablet and circuit board on table
    Female scientist in clean suit researching coronavirus vaccine — Stock Photo
    Female scientist in clean suit researching coronavirus vaccine
    Side view of concentrated man with backpack studying at laptop sitting in park grass with crossed legs in sunny day — Stock Photo
    Side view of concentrated man with backpack studying at laptop sitting in park grass with crossed legs in sunny day
    Student in wheelchair studying natural gas injector system on furnace with his classmate in HVAC classroom — Stock Photo
    Student in wheelchair studying natural gas injector system on furnace with his classmate in HVAC classroom
    Scientist hand pipetting samples into microcentrifuge tubes. — Stock Photo
    Scientist hand pipetting samples into microcentrifuge tubes.
    Front view of a young Asian female student wearing a hijab holding a book, using a laptop computer and studying in a library — Stock Photo
    Front view of a young Asian female student wearing a hijab holding a book, using a laptop computer and studying in a library
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Teenage boy experimenting molecule model in laboratory — Stock Photo
    Teenage boy experimenting molecule model in laboratory
    University students using digital tablet while doing experiment on microscope in laboratory at college — Stock Photo
    University students using digital tablet while doing experiment on microscope in laboratory at college
    Female scientist with test tubes researching coronavirus vaccine — Stock Photo
    Female scientist with test tubes researching coronavirus vaccine
    Female scientist leaning on desk in laboratory. — Stock Photo
    Female scientist leaning on desk in laboratory.
    Robotics engineer using digital tablet while controlling control panel in warehouse — Stock Photo
    Robotics engineer using digital tablet while controlling control panel in warehouse
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Attentive university students doing a chemical experiment in laboratory — Stock Photo
    Attentive university students doing a chemical experiment in laboratory
    Student examining control system wiring on furnace in HVAC classroom with one student in wheelchair — Stock Photo
    Student examining control system wiring on furnace in HVAC classroom with one student in wheelchair
    Female scientists looking at notes in laboratory. — Stock Photo
    Female scientists looking at notes in laboratory.
    Satellite dish at Cal Tech Station, Owens Valley, California, USA — Stock Photo
    Satellite dish at Cal Tech Station, Owens Valley, California, USA
    Teenage girl experimenting chemical in laboratory at university — Stock Photo
    Teenage girl experimenting chemical in laboratory at university
    Portrait of university student in protective eyewear at laboratory — Stock Photo
    Portrait of university student in protective eyewear at laboratory
    Large array of satellite dishes against blue sky in New Mexico, USA. — Stock Photo
    Large array of satellite dishes against blue sky in New Mexico, USA.
    Front view close up of a young Asian female student wearing a hijab using a smartphone in a library — Stock Photo
    Front view close up of a young Asian female student wearing a hijab using a smartphone in a library
    Side view close up of a young Asian female student wearing a turban using a laptop computer and studying in a library — Stock Photo
    Side view close up of a young Asian female student wearing a turban using a laptop computer and studying in a library
    Portrait of a young Asian female student wearing a hijab using a laptop computer and studying in a library — Stock Photo
    Portrait of a young Asian female student wearing a hijab using a laptop computer and studying in a library
    Large array of satellite dishes against blue sky in New Mexico, USA. — Stock Photo
    Large array of satellite dishes against blue sky in New Mexico, USA.
    Close-up of female hand reaching for lab coat. — Stock Photo
    Close-up of female hand reaching for lab coat.
    Side view close up of a young Asian female student using a smartphone, a laptop computer and studying in a library — Stock Photo
    Side view close up of a young Asian female student using a smartphone, a laptop computer and studying in a library
    Male scientist pouring liquid in a bowl at laboratory — Stock Photo
    Male scientist pouring liquid in a bowl at laboratory
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Mid section of robotics engineer using digital tablet in warehouse — Stock Photo
    Mid section of robotics engineer using digital tablet in warehouse
    Front view close up of a young Asian female student wearing a turban asleep on a table surrounded by books during studying in a library — Stock Photo
    Front view close up of a young Asian female student wearing a turban asleep on a table surrounded by books during studying in a library
    Portrait female scientist in clean suit studying coronavirus vaccine — Stock Photo
    Portrait female scientist in clean suit studying coronavirus vaccine
    Robotic engineers using welding torch in warehouse — Stock Photo
    Robotic engineers using welding torch in warehouse
    Attentive university students doing a experiment in laboratory — Stock Photo
    Attentive university students doing a experiment in laboratory
    Close-up of hands of scientist holding test tube. — Stock Photo
    Close-up of hands of scientist holding test tube.
    Content curly woman looking away walking between bookshelves in library of Texas — Stock Photo
    Content curly woman looking away walking between bookshelves in library of Texas
    COVID-19 vaccine syringe rocket launching — Stock Photo
    COVID-19 vaccine syringe rocket launching
    Close-up of scientists experimenting in laboratory — Stock Photo
    Close-up of scientists experimenting in laboratory
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Full body male astronaut in spacesuit browsing data on netbook while standing outside station with rocket shaped antennas — Stock Photo
    Full body male astronaut in spacesuit browsing data on netbook while standing outside station with rocket shaped antennas
    Full body male astronaut in spacesuit browsing data on netbook while standing outside station with rocket shaped antennas — Stock Photo
    Full body male astronaut in spacesuit browsing data on netbook while standing outside station with rocket shaped antennas
    Scientist holding test tubes with liquids in hand — Stock Photo
    Scientist holding test tubes with liquids in hand
    Mid-section of university student doing a chemical experiment in laboratory — Stock Photo
    Mid-section of university student doing a chemical experiment in laboratory
    Female scientist in clean suit examining test tubes — Stock Photo
    Female scientist in clean suit examining test tubes