The winners of the Nikon Small World Microphotography competition were announced at a reception in New York on 21st September. Here are some of the images from the competition:

A two-photon fluorescence microscope image of cell nuclei in the mouse colon, by Paul Appleton of the Division of Cell and Developmental Biology at the University of Dundee.

A confocal microscope image of a 7-day-old embryo of an annelid (Enchytraeus coronatus), by Annette Bergter of the Department of Zoology at the University of Osnabrück

A stereomicroscope image of the garden flower Dimorphotheca ecklonis, by Gloria Romero de Pérez of Laboratorio de Microscopía Óptica at the National University of Columbia
A confocal microscope image of fluorescently labelled photoreceptors in Drosophila melanogaster, by Peter Robin Hiesinger of the Department of Physiology at the UT Southwestern Medical Center in Dallas, Texas.