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    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration. These Gram-positive spherical bacteria are usually found in pairs. They colonize respiratory tract asymptomatically in healthy carriers, but can cause pneumonia
    Senior couple using a digital tablet — Stock Photo
    Senior couple using a digital tablet
    Crop person finding direction and holding compass in stretched hand in mountains — Stock Photo
    Crop person finding direction and holding compass in stretched hand in mountains
    Biotechnology female scientist working in laboratory. — Stock Photo
    Biotechnology female scientist working in laboratory.
    Female researcher with micro pipette sampling into test tube. — Stock Photo
    Female researcher with micro pipette sampling into test tube.
    Ethnic boy writing in notepad against sister looking through binoculars while sitting on land in summer woods — Stock Photo
    Ethnic boy writing in notepad against sister looking through binoculars while sitting on land in summer woods
    Curious girl examining molecule model in classroom — Stock Photo
    Curious girl examining molecule model in classroom
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Stethoscope placed on white desk near book on modern medical workplace in light clinic after consultation and examining patient — Stock Photo
    Stethoscope placed on white desk near book on modern medical workplace in light clinic after consultation and examining patient
    Media students sitting in classroom — Stock Photo
    Media students sitting in classroom
    Hands of archaeologist analyzing charred wood in petri dish. — Stock Photo
    Hands of archaeologist analyzing charred wood in petri dish.
    Technician examining machine at industrial factory — Stock Photo
    Technician examining machine at industrial factory
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library — Stock Photo
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Portrait of university student doing experiment on microscope in laboratory — Stock Photo
    Portrait of university student doing experiment on microscope in laboratory
    Archaeologist analyzing ancient artifact in laboratory. — Stock Photo
    Archaeologist analyzing ancient artifact in laboratory.
    Laboratory assistants working in lab. — Stock Photo
    Laboratory assistants working in lab.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Girl fixing the robotic toy at home — Stock Photo
    Girl fixing the robotic toy at home
    Amazed ethnic child in checkered shirt with open mouth studying green plant leaf with magnifying glass in woods — Stock Photo
    Amazed ethnic child in checkered shirt with open mouth studying green plant leaf with magnifying glass in woods
    Young male college student practicing experiment while standing in lab — Stock Photo
    Young male college student practicing experiment while standing in lab
    Close-up of female doctor examining microscope in laboratory — Stock Photo
    Close-up of female doctor examining microscope in laboratory
    Digital illustration of DNA molecule with damage, genetic disorder concept. — Stock Photo
    Digital illustration of DNA molecule with damage, genetic disorder concept.
    Archaeologist measuring lithics with caliper in laboratory. — Stock Photo
    Archaeologist measuring lithics with caliper in laboratory.
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    Plant biotechnology and research — Stock Photo
    Plant biotechnology and research
    Portrait serious scientist in clean suit using digital tablet — Stock Photo
    Portrait serious scientist in clean suit using digital tablet
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Police forensic expert examining confiscated mobile phone in science laboratory. — Stock Photo
    Police forensic expert examining confiscated mobile phone in science laboratory.
    Scientist holding helix model in conference — Stock Photo
    Scientist holding helix model in conference
    Botanist using digital tablet in greenhouse — Stock Photo
    Botanist using digital tablet in greenhouse
    Digital illustration of Moon in shadow on black background. — Stock Photo
    Digital illustration of Moon in shadow on black background.
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Hourglass in hand of scientist, conceptual image of passing time. — Stock Photo
    Hourglass in hand of scientist, conceptual image of passing time.
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae — Stock Photo
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae
    Stacks of Petri dishes with cultured agar on plain background. — Stock Photo
    Stacks of Petri dishes with cultured agar on plain background.
    3d illustration of sperm cells moving towards human womb. — Stock Photo
    3d illustration of sperm cells moving towards human womb.
    Archaeological excavations. Young archaeologist excavating part of human skeleton and skull from the ground. — Stock Photo
    Archaeological excavations. Young archaeologist excavating part of human skeleton and skull from the ground.
    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.
    Girl student examining DNA model in classroom — Stock Photo
    Girl student examining DNA model in classroom
    Lawyer researching in chambers — Stock Photo
    Lawyer researching in chambers
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Female microbiologist using light microscope in laboratory. — Stock Photo
    Female microbiologist using light microscope in laboratory.
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Archaeological excavations. Archaeologist conducting research on ancient human bones. — Stock Photo
    Archaeological excavations. Archaeologist conducting research on ancient human bones.
    Attentive executive looking at futuristic screen in office — Stock Photo
    Attentive executive looking at futuristic screen in office
    Cross-section of human brain — Stock Photo
    Cross-section of human brain
    Close-up of microbes and fungus growing on agar plate. — Stock Photo
    Close-up of microbes and fungus growing on agar plate.
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory
    Illustration of astronaut in space suit flying in front of Mars surface. — Stock Photo
    Illustration of astronaut in space suit flying in front of Mars surface.
    Closeup of ferrofluid illuminated with neon light — Stock Photo
    Closeup of ferrofluid illuminated with neon light
    Junior high students and teachers using computers in computer lab — Stock Photo
    Junior high students and teachers using computers in computer lab
    Assorted pills lying on DNA sequence — Stock Photo
    Assorted pills lying on DNA sequence
    Visual render of Dengue virus — Stock Photo
    Visual render of Dengue virus
    University students doing experiment on microscope in laboratory at college — Stock Photo
    University students doing experiment on microscope in laboratory at college
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.