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    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Male nervous system in body silhouette, computer illustration. — Stock Photo
    Male nervous system in body silhouette, computer illustration.
    Close-up of Asteraceae wildflower seedhead on green background. — Stock Photo
    Close-up of Asteraceae wildflower seedhead on green background.
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Female body with visible outer intercostal muscles, computer illustration. — Stock Photo
    Female body with visible outer intercostal muscles, computer illustration.
    Close-up view of plants in test tubes. — Stock Photo
    Close-up view of plants in test tubes.
    Illustration of senior woman silhouette with colored bladder on white background. — Stock Photo
    Illustration of senior woman silhouette with colored bladder on white background.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particle, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Illustration of muscles and skeleton in human body. — Stock Photo
    Illustration of muscles and skeleton in human body.
    Process and packaging manufacturing tablets and pills industrially for the medical and healthcare sector — Stock Photo
    Process and packaging manufacturing tablets and pills industrially for the medical and healthcare sector
    Digital illustration of blue virus particles on white background. — Stock Photo
    Digital illustration of blue virus particles on white background.
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom
    Mid section of scientists experimenting in laboratory — Stock Photo
    Mid section of scientists experimenting in laboratory
    Contemplative male cosmonaut in white spacesuit and helmet browsing modern smartphone while standing on black background — Stock Photo
    Contemplative male cosmonaut in white spacesuit and helmet browsing modern smartphone while standing on black background
    Male silhouette with visible small intestine in midsection, digital illustration. — Stock Photo
    Male silhouette with visible small intestine in midsection, digital illustration.
    Focused girl students soldering circuit boards in classroom — Stock Photo
    Focused girl students soldering circuit boards in classroom
    Cancer cells dividing, digital illustration. — Stock Photo
    Cancer cells dividing, digital illustration.
    Human blood cells — Stock Photo
    Human blood cells
    Grey alien head on black background, digital illustration. — Stock Photo
    Grey alien head on black background, digital illustration.
    Cancer cell on plain background, digital illustration. — Stock Photo
    Cancer cell on plain background, digital illustration.
    Physical male figure with detailed Rectus femoris muscle, digital illustration. — Stock Photo
    Physical male figure with detailed Rectus femoris muscle, digital illustration.
    Plastic bottles with medicine on conveyor of capping machine in pharmaceutical manufacturing laboratory — Stock Photo
    Plastic bottles with medicine on conveyor of capping machine in pharmaceutical manufacturing laboratory
    Male anatomy showing Soleus muscle, computer illustration. — Stock Photo
    Male anatomy showing Soleus muscle, computer illustration.
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Abstract male figure with detailed Internal oblique muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Internal oblique muscle, digital illustration.
    Teacher and students using touch screen computers — Stock Photo
    Teacher and students using touch screen computers
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    Various plant stocks grown for biomass research — Stock Photo
    Various plant stocks grown for biomass research
    Illustration of figure of obese man with visible throat anatomy. — Stock Photo
    Illustration of figure of obese man with visible throat anatomy.
    Detail of radio telescope antenna against blue sky — Stock Photo
    Detail of radio telescope antenna against blue sky
    Horse anatomy in low section, computer illustration. — Stock Photo
    Horse anatomy in low section, computer illustration.
    Silhouette of sitting obese man having knee pain, computer illustration. — Stock Photo
    Silhouette of sitting obese man having knee pain, computer illustration.
    Abstract green bacteria, computer illustration. — Stock Photo
    Abstract green bacteria, computer illustration.
    Human heart in cross-section with blood vessels on white background. — Stock Photo
    Human heart in cross-section with blood vessels on white background.
    Joyful enthusiastic kid in warm vest and yellow rubber boots playing in empty yard in village at foot of mountains in sunny day — Stock Photo
    Joyful enthusiastic kid in warm vest and yellow rubber boots playing in empty yard in village at foot of mountains in sunny day
    Multiwell plate with biological samples on white background. — Stock Photo
    Multiwell plate with biological samples on white background.
    Realistic structure of female musculature, computer illustration. — Stock Photo
    Realistic structure of female musculature, computer illustration.
    African american male computer technician using laptop working in business server room. digital information storage and communication network technology. — Stock Photo
    African american male computer technician using laptop working in business server room. digital information storage and communication network technology.
    Mixed seeds on spoon, studio shot. — Stock Photo
    Mixed seeds on spoon, studio shot.
    Male silhouette with neck pain, conceptual illustration. — Stock Photo
    Male silhouette with neck pain, conceptual illustration.
    Smiling boy playing on slide — Stock Photo
    Smiling boy playing on slide
    Satellite dish with antenna and telescope — Stock Photo
    Satellite dish with antenna and telescope
    Illustration of human shoulder anatomy on white background. — Stock Photo
    Illustration of human shoulder anatomy on white background.
    Research Laboratory interior — Stock Photo
    Research Laboratory interior
    Cropped unrecognizable female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak
    Illustration of male office worker painful muscles. — Stock Photo
    Illustration of male office worker painful muscles.
    Female body model with red colored Transversus abdominis muscle, computer illustration. — Stock Photo
    Female body model with red colored Transversus abdominis muscle, computer illustration.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Male anatomy showing Vastus medialis muscle, computer illustration. — Stock Photo
    Male anatomy showing Vastus medialis muscle, computer illustration.
    Microscope and piles on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and piles on Petri dishes in laboratory on blue background.
    Human fetus at week 26, computer illustration. — Stock Photo
    Human fetus at week 26, computer illustration.
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Abstract male figure with detailed Rhomboid major muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Rhomboid major muscle, computer illustration.
    Teenage female wearing safety glasses while practicing science experiment in lab — Stock Photo
    Teenage female wearing safety glasses while practicing science experiment in lab