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20208395 results

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    Archaeology researcher in laboratory measuring antler with digital caliper. — Stock Photo
    Archaeology researcher in laboratory measuring antler with digital caliper.
    Liquid sample in quartz cuvette container and pipette. — Stock Photo
    Liquid sample in quartz cuvette container and pipette.
    Instructor demonstrating air conditioner control system on demo board to students in HVAC classroom one student in wheelchair — Stock Photo
    Instructor demonstrating air conditioner control system on demo board to students in HVAC classroom one student in wheelchair
    Young archaeologists comparing pottery colors with color chart scheme in laboratory. — Stock Photo
    Young archaeologists comparing pottery colors with color chart scheme in laboratory.
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Archaeology researchers in laboratory reconstructing usage of ancient tools. — Stock Photo
    Archaeology researchers in laboratory reconstructing usage of ancient tools.
    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
    Archaeology researchers in laboratory reconstructing usage of ancient tools. — Stock Photo
    Archaeology researchers in laboratory reconstructing usage of ancient tools.
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Young archaeology researchers in laboratory demonstrating antler use as tool in prehistory. — Stock Photo
    Young archaeology researchers in laboratory demonstrating antler use as tool in prehistory.
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory. — Stock Photo
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory.
    Portrait of young archaeologist analyzing charred wood in petri dish. — Stock Photo
    Portrait of young archaeologist analyzing charred wood in petri dish.
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Female microbiologist pipetting into petri dishes in laboratory. — Stock Photo
    Female microbiologist pipetting into petri dishes in laboratory.
    Archaeologists reconstructing broken pottery in laboratory. — Stock Photo
    Archaeologists reconstructing broken pottery in laboratory.
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis.
    Close-up of two-colored medicine capsule in tweezers, pharmaceutical research. — Stock Photo
    Close-up of two-colored medicine capsule in tweezers, pharmaceutical research.
    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
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Portrait of young archaeologist analyzing charred wood in petri dish. — Stock Photo
    Portrait of young archaeologist analyzing charred wood in petri dish.
    Archaeology researcher in laboratory demonstrating antler use as tool in prehistory. — Stock Photo
    Archaeology researcher in laboratory demonstrating antler use as tool in prehistory.
    Cryonic preservation of sperm, conceptual digital illustration. — Stock Photo
    Cryonic preservation of sperm, conceptual digital illustration.
    Hands of archaeologist measuring ancient hook with straightedge in archaeology lab. — Stock Photo
    Hands of archaeologist measuring ancient hook with straightedge in archaeology lab.
    Seedlings growing in stacked petri dishes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in stacked petri dishes, conceptual image of plant research and genetic engineering.
    Close-up of two-colored medicine capsule in tweezers, pharmaceutical research. — Stock Photo
    Close-up of two-colored medicine capsule in tweezers, pharmaceutical research.
    Archaeologists analyzing ancient fishing weights artifacts. — Stock Photo
    Archaeologists analyzing ancient fishing weights artifacts.
    Archaeologists analyzing human skull in DNA archaeology lab. — Stock Photo
    Archaeologists analyzing human skull in DNA archaeology lab.
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis.
    Close-up of pharmaceutical examining filling of medical pill. — Stock Photo
    Close-up of pharmaceutical examining filling of medical pill.
    Midsection of archaeologist reconstructing broken pottery in laboratory. — Stock Photo
    Midsection of archaeologist reconstructing broken pottery in laboratory.
    Archaeology researcher in laboratory demonstrating antler use as tool in prehistory. — Stock Photo
    Archaeology researcher in laboratory demonstrating antler use as tool in prehistory.
    Student in wheelchair setting up generator experiment while student examines HVAC system — Stock Photo
    Student in wheelchair setting up generator experiment while student examines HVAC system
    Seedlings growing in laboratory glassware, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory glassware, conceptual image of plant research and genetic engineering.
    Male archaeologist putting ancient weight in plastic bag, female archaeologist marking prehistoric artifact with serial number. — Stock Photo
    Male archaeologist putting ancient weight in plastic bag, female archaeologist marking prehistoric artifact with serial number.
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory. — Stock Photo
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory.
    Archaeologists comparing pottery colors with color chart scheme in laboratory. — Stock Photo
    Archaeologists comparing pottery colors with color chart scheme in laboratory.
    Professor discussing sensors and thermostats with students in an HVAC classroom — Stock Photo
    Professor discussing sensors and thermostats with students in an HVAC classroom
    Seedlings growing in laboratory, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory, conceptual image of plant research and genetic engineering.
    Hands of archaeologists reconstructing broken pottery in laboratory. — Stock Photo
    Hands of archaeologists reconstructing broken pottery in laboratory.
    Conceptual image of fake meat with glassware in lab. — Stock Photo
    Conceptual image of fake meat with glassware in lab.
    Midsection of archaeologists comparing pottery colors with color chart scheme in laboratory. — Stock Photo
    Midsection of archaeologists comparing pottery colors with color chart scheme in laboratory.
    Seedlings growing in laboratory amongst test tubes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory amongst test tubes, conceptual image of plant research and genetic engineering.
    Scientist hand counting seedlings in petri dish, conceptual image of plant research and genetic engineering. — Stock Photo
    Scientist hand counting seedlings in petri dish, conceptual image of plant research and genetic engineering.
    Archaeology researcher in laboratory analyzing ancient antler tool. — Stock Photo
    Archaeology researcher in laboratory analyzing ancient antler tool.
    Female Asian scientist examining plants in laboratory. — Stock Photo
    Female Asian scientist examining plants in laboratory.
    Female scientist holding micro tube with sample in ancient DNA laboratory with human skull on table. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory with human skull on table.
    Scientist holding petri dish with artificial meat, conceptual image of cultured meat grown in laboratory. — Stock Photo
    Scientist holding petri dish with artificial meat, conceptual image of cultured meat grown in laboratory.
    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
    Student in wheelchair setting up HVAC experiment talking to another student — Stock Photo
    Student in wheelchair setting up HVAC experiment talking to another student
    Female archaeologist looking at ancient tooth root in microscope slide in laboratory. — Stock Photo
    Female archaeologist looking at ancient tooth root in microscope slide in laboratory.
    Hands of archaeologists reconstructing broken pottery in laboratory. — Stock Photo
    Hands of archaeologists reconstructing broken pottery in laboratory.
    Young archaeology researchers documenting lithics with camera in laboratory. — Stock Photo
    Young archaeology researchers documenting lithics with camera in laboratory.
    Hands of archaeologist measuring ancient artifact in laboratory. — Stock Photo
    Hands of archaeologist measuring ancient artifact in laboratory.
    Archaeology researcher in laboratory reconstructing ancient tool. — Stock Photo
    Archaeology researcher in laboratory reconstructing ancient tool.
    Laboratory scientist adding a small amount of solid reagent to a container on a scale — Stock Photo
    Laboratory scientist adding a small amount of solid reagent to a container on a scale
    Scientist holding petri dishes with artificial meat, conceptual image of cultured meat grown in laboratory. — Stock Photo
    Scientist holding petri dishes with artificial meat, conceptual image of cultured meat grown in laboratory.
    Student in wheelchair taking notes while reading textbook in HVAC classroom — Stock Photo
    Student in wheelchair taking notes while reading textbook in HVAC classroom
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair — Stock Photo
    Instructor discussing condenser coil on refrigeration unit with student in wheelchair
    Scientist holding petri dish with artificial meat, conceptual image of cultured meat grown in laboratory. — Stock Photo
    Scientist holding petri dish with artificial meat, conceptual image of cultured meat grown in laboratory.