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    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    Microscopes on desk in lab — Stock Photo
    Microscopes on desk in lab
    Police evidence bag — Stock Photo
    Police evidence bag
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Monastery of Saint Nicolas — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Monastery of Saint Nicolas
    Young female scientist working in microbiology lab. — Stock Photo
    Young female scientist working in microbiology lab.
    Soft coral polyps feeding — Stock Photo
    Soft coral polyps feeding
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Close-up of green chemical sample in glass phial. — Stock Photo
    Close-up of green chemical sample in glass phial.
    Whip coral goby fish — Stock Photo
    Whip coral goby fish
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Monastery of Saint Nicolas — Stock Photo
    Europe, Grece, Plain of Thessaly, Valley of Penee, World Heritage of UNESCO since 1988, Orthodox Christian monasteries of Meteora perched atop impressive gray rock masses sculpted by erosion, Monastery of Saint Nicolas
    Head of Vairocana Bouddha statue in Longmen caves, Luoyang, Henan, China — Stock Photo
    Head of Vairocana Bouddha statue in Longmen caves, Luoyang, Henan, China
    Gymnodoris ceylonica nudibranch in Beqa Lagoon — Stock Photo
    Gymnodoris ceylonica nudibranch in Beqa Lagoon
    Helical DNA molecules, digital illustration. — Stock Photo
    Helical DNA molecules, digital illustration.
    Tree coral on Fijian reef — Stock Photo
    Tree coral on Fijian reef
    Grandmother helping granddaughter with homework in kitchen at home — Stock Photo
    Grandmother helping granddaughter with homework in kitchen at home
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Conceptual image of fake meat with glassware in lab. — Stock Photo
    Conceptual image of fake meat with glassware in lab.
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century. — Stock Photo
    Sri Lanka. BUDURUWAGALA Temple. The ruins of Buduruwagala are next to the town of Wellawaya in the south of the island. These statues date from the X century.
    Radio telescope antenna against blue sky — Stock Photo
    Radio telescope antenna against blue sky
    Female science researcher using micropipette in laboratory. — Stock Photo
    Female science researcher using micropipette in laboratory.
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    Commensal shrimp on soft coral in Raja Ampat — Stock Photo
    Commensal shrimp on soft coral in Raja Ampat
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Sharknose goby on hard coral — Stock Photo
    Sharknose goby on hard coral
    Colored DNA double helix molecule, digital illustration. — Stock Photo
    Colored DNA double helix molecule, digital illustration.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Girl doing experiment on microscope at home — Stock Photo
    Girl doing experiment on microscope at home
    Top view of unused syringe with needle pattern on blue background — Stock Photo
    Top view of unused syringe with needle pattern on blue background
    Human sperm approaching egg cell, digital illustration. — Stock Photo
    Human sperm approaching egg cell, digital illustration.
    Nudibranch feeding on algae — Stock Photo
    Nudibranch feeding on algae