National Astronomical Observatories, Chinese Academy of Sciences Beijing, China "Beach sand."

Stanford University Department of Molecular and Cell Biology Pacific Grove, California, USA "Nervous system of a young sea star."

Vacaville, California, USA "Slime mold (Prototrichia metallica)."

Bromma, Sweden "Peacock plume feather."

Port Townsend, Washington, USA "Leaf of a cannabis plant. The bulbous glands are trichomes. The bubbles inside are cannabinoid vesicles."

Verona, Veneto, Italy

"Electrical arc between a pin and a wire."

Helsinki University Helsinki, Uudenmaan lääni, Finland "Slime mold (Cribraria cancellata)."

University of Zurich Department of Molecular Life Sciences Zurich, Switzerland "Developing nervous system in the eye of a 7-day-old chick embryo."

National Institutes of Health NICHD Bethesda, Maryland, USA "Human neurons."

Dallas, North Carolina, USA "Moss sporophyte with spores (green)."

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

Oberzent-Airlenbach, Hessen, Germany "Dorsal part of cuckoo wasp (Hedychrum gerstaeckeri) abdomen."

Suwalki, Podlaskie, Poland "Two water fleas (Daphnia sp.) with embryos (left) and eggs (right)."

University of Nottingham School of Life Sciences, Super Resolution Microscopy Nottingham, Nottinghamshire, United Kingdom "Dandelion (Traxacum officinale) cross section showing curved stigma with pollen."

Oberzent-Airlenbach, Hessen, Germany "Wing scales of a butterfly (Papilio ulysses) on a medical syringe needle."

Howard Hughes Medical Institute (HHMI), Janelia Research Campus Ashburn, Virginia, USA "Antenna of a mole crab."

Hannover, Niedersachsen, Germany "Pollen on the compound eyes of a fly."

Rochester Institute of Technology Photosciences Department Rochester, New York, USA "A common house cat claw."

Bedlno, Świętokrzyskie, Poland "Eyes of green crab spider (Diaea dorsata)."

Columbia University Department of Neurobiology and Behavior New York, New York, USA "Cluster of octopus (Octopus hummelincki) eggs."

Vernal, Utah, USA "Agatized dinosaur bone."

Mannheim, Baden-Wuerttemberg, Germany "Golden bug eggs on a sage leaf."

Glendale, Arizona, USA "Ocelli between the compound eyes of a yellow jacket."

Tübingen, Baden-Württemberg, Germany "Ink dot on Japanese washi paper."

Maria Enzersdorf, Austria "Cross section of European beach grass (Ammophila arenaria) leaf."

Aywaille, Liege, Belgium "Vinyl player needle on scratched vinyl disk."

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."

Wloclawek, Kujawko-Pomorskie, Poland "Water mite (Arrenurus)."

Howard Hughes Medical Institute (HHMI), Janelia Research Campus Ashburn, Virginia, USA "Aster anther cross-section with pollen grains (green)."