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    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Digital artwork of round blue cells on black background. — Stock Photo
    Digital artwork of round blue cells on black background.
    Digital illustration of budding yeast cells in imaging flow cytometry. — Stock Photo
    Digital illustration of budding yeast cells in imaging flow cytometry.
    Stomach cancer in abstract male body, digital illustration. — Stock Photo
    Stomach cancer in abstract male body, digital illustration.
    Beautiful female astronaut with mobile phone. — Stock Photo
    Beautiful female astronaut with mobile phone.
    Silhouette of running obese man with joint pain, computer illustration. — Stock Photo
    Silhouette of running obese man with joint pain, computer illustration.
    Illustration of gray humanoid alien pointing on white background. — Stock Photo
    Illustration of gray humanoid alien pointing on white background.
    Pharmaceutical variety of medicine capsules in petri dishes. — Stock Photo
    Pharmaceutical variety of medicine capsules in petri dishes.
    Portable music player, X-ray. — Stock Photo
    Portable music player, X-ray.
    Young archaeology researchers documenting lithics with camera in laboratory. — Stock Photo
    Young archaeology researchers documenting lithics with camera in laboratory.
    Female engineers testing robotic arm in office — Stock Photo
    Female engineers testing robotic arm in office
    Realistic human fetus at week 13, computer illustration. — Stock Photo
    Realistic human fetus at week 13, computer illustration.
    Fungus releasing spores, computer illustration — Stock Photo
    Fungus releasing spores, computer illustration
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Optical photograph of constellation of Lyra and star Vega. — Stock Photo
    Optical photograph of constellation of Lyra and star Vega.
    Human brain in male body, computer illustration. — Stock Photo
    Human brain in male body, computer illustration.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Close-up illustration of trachea in male body silhouette, close-up. — Stock Photo
    Close-up illustration of trachea in male body silhouette, close-up.
    3D rendering of human spine, computer illustration. — Stock Photo
    3D rendering of human spine, computer illustration.
    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
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence. — Stock Photo
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence.
    Human skeleton with red colored Mentalis muscle, digital illustration. — Stock Photo
    Human skeleton with red colored Mentalis muscle, digital illustration.
    Uterine tumour, conceptual computer illustration. — Stock Photo
    Uterine tumour, conceptual computer illustration.
    Human fetus at week 12, realistic digital illustration. — Stock Photo
    Human fetus at week 12, realistic digital illustration.
    Illustration of senior woman silhouette showing lungs on black background. — Stock Photo
    Illustration of senior woman silhouette showing lungs on black background.
    Human brain with visible optic nerve on white background, digital illustration. — Stock Photo
    Human brain with visible optic nerve on white background, digital illustration.
    Red colored bladder in female body silhouette, computer illustration. — Stock Photo
    Red colored bladder in female body silhouette, computer illustration.
    Adenovirus structure, 3d digital illustration. — Stock Photo
    Adenovirus structure, 3d digital illustration.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Hands of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hands of scientist researching sample on microscope slide under light microscope.
    Microbiota of human intestine, abstract digital 3d illustration. — Stock Photo
    Microbiota of human intestine, abstract digital 3d illustration.
    Abstract female body 3d model demonstrating stomach in human anatomy, digital illustration. — Stock Photo
    Abstract female body 3d model demonstrating stomach in human anatomy, digital illustration.
    Structure of dog lymphatic system with lymph vessels, digital illustration. — Stock Photo
    Structure of dog lymphatic system with lymph vessels, digital illustration.
    Back view an in spacesuit standing on rocky ground against striped rocket shaped antennas on sunny day — Stock Photo
    Back view an in spacesuit standing on rocky ground against striped rocket shaped antennas on sunny day
    3d rendered illustration of colored female mammary glands in body silhouette. — Stock Photo
    3d rendered illustration of colored female mammary glands in body silhouette.
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background.
    Realistic human fetus at week 10, computer illustration. — Stock Photo
    Realistic human fetus at week 10, computer illustration.
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Human skeleton with hip joint, computer illustration. — Stock Photo
    Human skeleton with hip joint, computer illustration.
    Semi-adult Locust — Stock Photo
    Semi-adult Locust
    Illustration of silhouette of obese man having back pain. — Stock Photo
    Illustration of silhouette of obese man having back pain.
    Human skeleton with red colored Masseter superior muscle, digital illustration. — Stock Photo
    Human skeleton with red colored Masseter superior muscle, digital illustration.
    Female teacher and girl student conducting scientific experiment at microscope in laboratory — Stock Photo
    Female teacher and girl student conducting scientific experiment at microscope in laboratory
    Laboratory technician placing blood bags in machine at blood bank — Stock Photo
    Laboratory technician placing blood bags in machine at blood bank
    Man in spacesuit standing near red wall of industrial facility on sunny day — Stock Photo
    Man in spacesuit standing near red wall of industrial facility on sunny day
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Multiwell trays and samples on ice. — Stock Photo
    Multiwell trays and samples on ice.
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Male silhouette with diseased thyroid gland, conceptual illustration. — Stock Photo
    Male silhouette with diseased thyroid gland, conceptual illustration.
    Human skeleton with red colored Digitorum longus muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Digitorum longus muscle, computer illustration.
    Portrait of confident mid adult caucasian woman at work in laboratory — Stock Photo
    Portrait of confident mid adult caucasian woman at work in laboratory
    Male silhouette with diseased thyroid gland, conceptual illustration. — Stock Photo
    Male silhouette with diseased thyroid gland, conceptual illustration.
    Transparent male silhouette with colored kidneys, computer illustration. — Stock Photo
    Transparent male silhouette with colored kidneys, computer illustration.
    Obese male full length silhouette with back pain, digital illustration. — Stock Photo
    Obese male full length silhouette with back pain, digital illustration.
    Saturn rings composed mainly of ice — Stock Photo
    Saturn rings composed mainly of ice