En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
379 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Instructor using demo board to explain HVAC control system operation one student in wheelchair — Stock Photo
    Instructor using demo board to explain HVAC control system operation one student in wheelchair
    Professor discussing sensors and thermostats with students in an HVAC classroom — Stock Photo
    Professor discussing sensors and thermostats with students in an HVAC classroom
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Attentive university students doing a experiment in laboratory — Stock Photo
    Attentive university students doing a experiment in laboratory
    University students doing experiment on microscope in laboratory at college — Stock Photo
    University students doing experiment on microscope in laboratory at college
    Close-up of scientist experimenting a test tube — Stock Photo
    Close-up of scientist experimenting a test tube
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom — Stock Photo
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom
    Female scientist looking at specimen in greenhouse — Stock Photo
    Female scientist looking at specimen in greenhouse
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Female scientist in clean suit researching coronavirus vaccine — Stock Photo
    Female scientist in clean suit researching coronavirus vaccine
    Female scientist using magnifying glass in laboratory — Stock Photo
    Female scientist using magnifying glass in laboratory
    Gene editing, conceptual digital illustration. — Stock Photo
    Gene editing, conceptual digital illustration.
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Student demonstrating air conditioner recharging manifold with gauges in HVAC classroom — Stock Photo
    Student demonstrating air conditioner recharging manifold with gauges in HVAC classroom
    Side view of a young Asian female student wearing a turban using a tablet computer and studying in a library — Stock Photo
    Side view of a young Asian female student wearing a turban using a tablet computer and studying in a library
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Teenage girl examining the molecule model in laboratory at university — Stock Photo
    Teenage girl examining the molecule model in laboratory at university
    Side view of 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 man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair — Stock Photo
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair
    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 pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Female scientist removing ice cube in laboratory — Stock Photo
    Female scientist removing ice cube in laboratory
    Close-up of scientist holding a syringe in green house — Stock Photo
    Close-up of scientist holding a syringe in green house
    Modern robotic machine in warehouse — Stock Photo
    Modern robotic machine in warehouse
    Female scientists looking at notes in laboratory. — Stock Photo
    Female scientists looking at notes in laboratory.
    Close-up of digital tablet, circuit board and computer fan on table — Stock Photo
    Close-up of digital tablet, circuit board and computer fan on table
    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.
    Teenage boy experimenting on microscope in laboratory at university — Stock Photo
    Teenage boy experimenting on microscope in laboratory at university
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    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
    Close-up of digital tablet and circuit board on table — Stock Photo
    Close-up of digital tablet and circuit board on table
    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
    Close-up of pipetting sample into row of test tubes during experiment in laboratory. — Stock Photo
    Close-up of pipetting sample into row of test tubes during experiment in laboratory.
    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
    Female scientist examining plants in sunny greenhouse — Stock Photo
    Female scientist examining plants in sunny greenhouse
    COVID-19 vaccine rocketing off launch pad — Stock Photo
    COVID-19 vaccine rocketing off launch pad
    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
    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.
    Teenage girl experimenting chemical in laboratory at university — Stock Photo
    Teenage girl experimenting chemical in laboratory at university
    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
    Attentive university student using digital tablet in laboratory — Stock Photo
    Attentive university student using digital tablet in laboratory
    Mid section of robotics engineer using digital tablet in warehouse — Stock Photo
    Mid section of robotics engineer using digital tablet in warehouse
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Female scientist examining test tube in laboratory — Stock Photo
    Female scientist examining test tube in laboratory
    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
    Close-up of scientist examining aubergine in greenhouse — Stock Photo
    Close-up of scientist examining aubergine in greenhouse
    Instructor demonstrating air conditioner high pressure line to student in wheelchair in HVAC classroom — Stock Photo
    Instructor demonstrating air conditioner high pressure line to student in wheelchair in HVAC classroom
    Portrait confident female scientist researching coronavirus — Stock Photo
    Portrait confident female scientist researching coronavirus
    Group of little children reading in library — Stock Photo
    Group of little children reading in library
    Robotics engineer using digital tablet at desk in warehouse — Stock Photo
    Robotics engineer using digital tablet at desk in warehouse
    Robotic engineers using welding torch in warehouse — Stock Photo
    Robotic engineers using welding torch in warehouse
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    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
    Robotics engineer working at desk in warehouse — Stock Photo
    Robotics engineer working at desk in warehouse
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    3d illustration of cryopreserved foetus frozen into ice cube held by metal pliers. — Stock Photo
    3d illustration of cryopreserved foetus frozen into ice cube held by metal pliers.