Winners of the Nikon Small World Competition 2015

Updated 4:55 PM ET, Wed October 14, 2015
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Australian Ralph Grimm of Jimboomba, Queensland, captured this incredible close-up of a bee's eye covered in dandelion pollen grains. The image won first prize in the 2015 Nikon Small World photomicrography competition. Grimm used reflected light to capture the 120x image. Ralph Claus Grimm
Researchers at the department of microbiology and immunology at the Stanford University School of Medicine in California took this photo of a mouse colon colonized with human microbiota. Kristen Earle, Gabriel Billings, KC Huang & Justin Sonnenburg
A photo showing the intake of a humped bladderwort (Utricularia gibba), a freshwater carnivorous plant, taken at the Howard Hughes Medical Institute, Janelia Research Campus, Leonardo Lab in Ashburn, Virginia. Dr. Igor Siwanowicz
A photo of a lab-grown human mammary gland organoid, taken at the Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology Department of Biology in Cambridge, Massachusetts. Daniel H. Miller & Ethan S. Sokol
Live imaging of perfused vasculature in a mouse brain with glioblastoma taken at Harvard Medical School, Massachusetts General Hospital, Edwin L. Steele Laboratory for Tumor Biology in Boston. Dr. Giorgio Seano & Dr. Rakesh K. Jain
A microscopic photo of a spore capsule of a moss (Bryum sporophyte) taken in Helsinki, Finland. Henri Koskinen Helsinki
A starfish imaged using confocal microscopy. Image produced at the Memorial Sloan Kettering Cancer Center in New York City. Evan Darling
Nerves and blood vessels of a mouse's ear. Photo taken at the National Institutes of Health in Bethesda, Maryland. Dr. Tomoko Yamazaki
Photo of young buds of Arabidopsis (a flowering plant), taken at the California Institute of Technology and Dartmouth College, Department of Biology. Dr. Nathanael Prunet
A microscopic photo of live clam shrimp (Cyzicus mexicanus), taken in Calgary, Alberta in Canada. Ian Gardiner
Imaging of fern sorus at varying levels of maturity, taken in Panama City, Panama. Rogelio Moreno Gill
Microscopic imagery of developing sea mullet (Mugil cephalus) embryos taken in Southern Cross University, National Marine Science Centre in Sydney, Australia. Hannah Sheppard-Brennand
Tentacles of a carnivorous plant (Drosera sp.) seen through a microscope, taken at the University of Puerto Rico, Mayaguez Campus, Biology Department in Mayaguez, Puerto Rico. Jose R. Almodovar
A photo of Australian grass (Austrostipa nodosa) seed, taken at Charles University, First Faculty of Medicine in Prague, Czech Republic. Viktor Sykora
Imagery of anther of a flowering plant (Arabidopsis thaliana), taken at Tallinn University of Technology, Department of Gene Technology in Tallinn, Estonia. Dr. Heiti Paves
Feeding rotifers (Floscularia ringens), seen under a microscope. Photo taken at Charles Krebs Photography in Issaquah, Washington. Charles Krebs Photography
Image shows black witch-hazel (Trichodactylus crinitus) leaf producing crystals to defend against herbivores, taken in Feltwell, United Kingdom. Dr. David Maitland
Hairyback worm (Chaetonotus sp.) and algae (Micrasterias sp.), seen under a microscope. Photo taken in Gruenen, Bern in Switzerland. Roland Gross
The planktonic larva of a horseshoe worm (phoronid), seen under a microscope. Photo taken at the Marine Biological Association in Plymouth, United Kingdom. Dr. Richard R. Kirby
Photo of suction cups on a diving beetle (Dytiscus sp.) foreleg, taken at the Nassau Community College, Department of Biology in Garden City, New York. Frank Reiser