Oberzent-Airlenbach, Hessen, Germany

"Wing scales of a butterfly (Papilio ulysses) on a medical syringe needle."

Bedlno, Świętokrzyskie, Poland

"Eyes of green crab spider (Diaea dorsata)."

Glendale, Arizona, USA

"Ocelli between the compound eyes of a yellow jacket."

Bromma, Sweden

"Peacock plume feather."

National Astronomical Observatories, Chinese Academy of Sciences
Beijing, China

"Beach sand."

Hannover, Niedersachsen, Germany

"Pollen on the compound eyes of a fly."

Vacaville, California, USA

"Slime mold (Prototrichia metallica)."

Stanford University
Department of Molecular and Cell Biology
Pacific Grove, California, USA

"Nervous system of a young sea star."

Aywaille, Liege, Belgium

"Vinyl player needle on scratched vinyl disk."

Wloclawek, Kujawko-Pomorskie, Poland

"Water mite (Arrenurus)."

Mannheim, Baden-Wuerttemberg, Germany

"Golden bug eggs on a sage leaf."

Rochester Institute of Technology
Photosciences Department
Rochester, New York, USA

"A common house cat claw."

Tübingen, Baden-Württemberg, Germany

"Ink dot on Japanese washi paper."

National Institutes of Health
NICHD
Bethesda, Maryland, USA

"Human neurons."

Oberzent-Airlenbach, Hessen, Germany

"Dorsal part of cuckoo wasp (Hedychrum gerstaeckeri) abdomen."

Oregon Department of Agriculture (ODA)
Entomology Lab
Albany, Oregon, USA

"Immature male damselfly (Calopteryx aequabilis)."

Verona, Veneto, Italy

"Electrical arc between a pin and a wire."

Maria Enzersdorf, Austria

"Cross section of European beach grass (Ammophila arenaria) leaf."

Hounslow, Middlesex, United Kingdom

"Brine shrimp."

University of Edinburgh
Institute for Immunology and Infection Research
Edinburgh, MidLothian, United Kingdom

"Acute-stage parasites of Toxoplasma gondii in a human skin cell."

Howard Hughes Medical Institute (HHMI), Janelia Research Campus
Ashburn, Virginia, USA

"Antenna of a mole crab."

Vernal, Utah, USA

"Agatized dinosaur bone."

Dallas, North Carolina, USA

"Moss sporophyte with spores (green)."

San Anselmo, California, USA

"Slime mold (Lamproderma arcyrioides)."

Woodend, Waimakiriri, New ZealandA936

"Graffiti from Berlin Wall stone section."

University of Pittsburgh
Department of Ophthalmology
Pittsburgh, Pennsylvania, USA

"Optic nerve head collagen of a pig."

Port Townsend, Washington, USA

"Leaf of a cannabis plant. The bulbous glands are trichomes. The bubbles inside are cannabinoid vesicles."

Columbia University
Department of Neurobiology and Behavior
New York, New York, USA

"Cluster of octopus (Octopus hummelincki) eggs."

Helsinki University
Helsinki, Uudenmaan lääni, Finland

"Slime mold (Cribraria cancellata)."

Medienbunker Produktion
Bendorf, Rheinland Pfalz, Germany

"Pollen in a garden spider (Araneus) web."

Bánd, Veszprém, Hungary

"Slime mold on a rotten twig with water droplets."

Australian National University
Centre for Advanced MicroscopyA306
MacGregor, Australian Capital Territory, Australia

"Autofluorescence in the face of a little two-spotted ladybird (Diomus notescens)."

Tanta University, Faculty of Science
Department of Zoology
Tanta, Egypt, Arab Republic

"Anterior section of palm weevil."

VIB (Flanders Institute of Biotechnology)
Center for Brain and Disease Research
Leuven, Vlaams-Brabant, Belgium

"Fruit fly (Drosophila) brain vasculature."

University of Nottingham
School of Life Sciences, Super Resolution Microscopy
Nottingham, Nottinghamshire, United Kingdom

"Dandelion (Traxacum officinale) cross section showing curved stigma with pollen."

FP Nature and Landscape Photography
Siracusa, Sicilia, Italy

"Potato tuber sprout."

Lions Eye Institute
Physiology and Pharmacology laboratory
Nedlands, Western Australia, Australia

"Abnormal blood vessel formation in a human retina with severe diabetic retinopathy."

University of Zurich
Department of Molecular Life Sciences
Zurich, Switzerland

"Developing nervous system in the eye of a 7-day-old chick embryo."

MDI Biological Laboratory
Murawala Lab
Bar Harbor, Maine, USA

"Ladybug (Coccinellidae) on a clover (Trifolium repens)."

University of Geneva
Department of Genetics and Evolution
Geneva, Switzerland

"Skin scales of a snake embryo stained with Fast Green dye."

Charles University
Department of Experimental Plant Biology
Prague, Czech Republic

"Spores of black truffle (Tuber melanosporum)."

Suwalki, Podlaskie, Poland

"Two water fleas (Daphnia sp.) with embryos (left) and eggs (right)."

San Anselmo, California, USA

"An insect egg parasitized by a wasp."

San Anselmo, California, USA

"Seed of a Silene plant."

Medical College of Georgia at Augusta University
Department of Neuroscience & Regenerative Medicine
Augusta, Georgia, USA

"Differentiated mouse brain tumor cells (actin, microtubules, and nuclei)."

Medical College of Georgia at Augusta University
Department of Neuroscience & Regenerative MedicineA215
Augusta, Georgia, USA

"Early stage of mouse glioblastoma cell differentiation (actin, microtubules, and mitochondria)."

St. Andrews, Fife, United Kingdom

"Transverse section of rachis (stem) of bracken fern (Pteridium aquilinum)."

CRBM-CNRS
Montpellier, Hérault, France

"Mosquito cells in culture with fluorescent markers for DNA and microtubules."

Hounslow, Middlesex, United Kingdom

"Mosquito larva."

Club Français de Microscopie
Bailly, France

"Fracture surface of mica (mineral)."

Amicus Therapeutics
Philadelphia, Pennsylvania, USA

"Dandelion pappus."

Düsseldorf, Germany

"Cross section of a beach grass (Ammophila arenaria) leaf."

Yin Works
The Bureau of Microworld Exploration
Beijing, China

"Integrated circuit chip."

Port Townsend, Washington, USA

"Bract (part of the plant's reproductive structures) of a cannabis plant. The bulbous glands are trichomes."

Howard Hughes Medical Institute (HHMI), Janelia Research Campus
Ashburn, Virginia, USA

"Aster anther cross-section with pollen grains (green)."

Howard Hughes Medical Institute (HHMI), Janelia Research Campus
Ashburn, Virginia, USA

"Floret of a common chicory with pollen grains (spiky balls)."

Max Planck Institute of Molecular Cell Biology and Genetics
Dresden, Saxony, GermanyA903

"Gene expression patterns in a drain fly embryo (Clogmia albipunctata) with an open eggshell."

University of Bordeaux
BioTis-INSERM U1026A383
Pessac, Gironde, France

"Mouse aortic endothelium stained for beta-catenin (green), laminin (purple), smooth muscle actin (red), and Hoechst (cyan)."

University of Oxford
Nuffield Department of Clinical Neurosciences (NDCN)
Oxford, Oxfordshire, United Kingdom

"A network of dopaminergic neurons generated from human stem cells."

Beijing Miteyide Culture Co., Ltd.A925
Beijing, China

"Fiber of nylon stockings."

Johns Hopkins University
Department of Biology
Baltimore, Maryland, USA

"Neuronal axons connecting to the muscles of the iris and the cornea."

Oberzent-Airlenbach, Hessen, Germany

"Opening of a hibiscus flower (Hibiscus moscheutos) exposing the pollen in four stages, each ten minutes apart."

Guangdong Radio and Television
Guangzhou, Guagndong, China

"Stamens of flowers (Anemone cathayensis Kitag. ex Ziman & Kadota)."

Falmouth University
Institute of Photography
Penryn, Cornwall, United Kingdom

"Spores releasing from the sori of a Polypody fern (Polypodium vulgare)."

University of Helsinki
Individualized Drug Therapy Research Program, Faculty of Medicine, Helsinki, FinlandA700
Helsinki, Finland

"Blood vessels (color gradient) and endothelial cell nuclei (white) in the intestinal villi of a mouse."

RBM-CNRS
Montpellier, Herault, France

"Tardigrade (Hypsibius exemplaris)."

Laval University
Department of Molecular Medicine
Québec, CanadaA858

"Cultured monkey kidney cells labeled for tubulin (blue) and actin (orange) showing pathological accumulation of alpha-syn aggregates (red)."

Oost-Souburg, Zeeland, Netherlands

"Abdominal skin of a tick that engorged with blood."

Medical University of South Carolina
Department of Regenerative Medicine & Cell Biology
Charleston, South Carolina, USA

"Section of a small intestine of a mouse."

Svosov, Zilinsky, Slovak Republic

"Stonewort algae (Chara virgata) reproductive organs - oogonia (female organs) and antheridia (male organs)."

Victoria University of Wellington
School of Biological Sciences; School of Psychology
Wellington, New Zealand

"A neuron densely covered in dendritic spines from the striatum of an adult rat brain."

Suwalki, Podlaskie, Poland

"Recrystallized mixture of hydroquinone and myoinositol."

Saint Lys, Haute-Garonne, France

"Isolated scales on Madagascan sunset moth wing (Chrysiridia ripheus)."

University of Cape Town
Neuroscience Institute & Department of Human BiologyA249
Cape Town, Western Cape, South Africa

"Astrocytes surrounding a blood vessel in a thin slice of human brain."

Medical University of South Carolina
Department of Regenerative Medicine & Cell Biology
Charleston, South Carolina, USA

"Intestinal villi."

University of Turku
Turku Bioscience Centre / Cell Imaging & Cytometry Core and Zebrafish Core

"Gene expression patterns in a drain fly embryo (Clogmia albipunctata) with an open egg. Nutrient storage cells in a tardigrade."

Lovely Professional University
Department of Zoology
Srinagar, Jammu and Kashmir, India

"Small fly killed by 'zombie fly' fungus (Entomophthora muscae)."

University of Nottingham
School of Life Sciences, Super Resolution MicroscopyA632
Nottingham, Nottinghamshire, United Kingdom

"Malaria parasites and mouse blood cells - tubulin (green), all proteins (purple), DNA (red)."

Charles University
Department of Experimental Plant Biology
Prague, Czech Republic

"Spores of a black Bagnoli truffle (Tuber mesentericum)."

Madrid, Spain

"Plant root."

Washington University in St Louis
Department of Medicine - Renal Division, Mahjoub Lab
St Louis, Missouri, USA

"Mouse embryonic kidney showing interstitial fibroblasts (yellow), tubular epithelium (cyan), and nuclei (magenta)."

Woodend, Waimakiriri, New Zealand

"Water mite (Hydrachna sp.)."

University of California, San Francisco
Pulmonary, Critical Care, Allergy and Sleep Medicine
San Francisco, California, USA

"Lymphatic vasculature (cyan) and vessels (red) of a mouse lung."

University of Cambridge
Sainsbury Laboratory
Cambridge, Cambridgeshire, United Kingdom

"Leaves arising from thale cress (Arabidopsis thaliana) meristem."

Charité Universitätsmedizin Berlin
Institute of Neurophysiology
Berlin, Germany

"Pyramidal neuron in mouse hippocampus."

Glendale, Arizona, USA

"Mid-tibial tuft on a male orchid bee, used to attract mates."

Dublin, Ireland

"Larva of a midge fly (Chironomidae)."