Differential interference microscopy (DIC) image of PtK1 cell (marsupial kidney epithelial cell expressing dominant-negative Rac1(T17N). Live cells were used to study microtubule dynamics using X-rhod...

Movie of mitosis in a Drosophila S2 cell expressing GFP-Ndc80, GFP-gamma tubulin, and mCherry alpha tubulin. Images were recorded at 60 sec intervals using a spinning disc confocal microscope on a Nik...

Photomicrograph of arranged diatom valves from Didymosphenia geminata (Lyngbye) Schmidt collected alive in the Clark Fork River in Missoula, Montana, then cleaned and mounted by the photographer. This...

NIH 3T3 cell expressing EGFP-Lifeact (a small genetically expressed probe that binds to actin and is derived from the first 17 aa of Abp140) imaged with structured illumination. Structured illuminati...

Time-lapse microscopy of mouse oocytes expressing YFP-TPX2 (targeting protein for Xenopus kinesin-like protein, xklp2) and injected with a doublestranded siRNA against TPX2, siTPX2-5h. Images were tak...

Movie shows restricted distribution of PECAM-1[high] CD45+ cells to the luminal surface of the aortic endothelium from an E11.5 mouse embryo. PECAM-1[high] cells are in red, CD45+ cells are in green a...

NIH 3T3 cell expressing EGFP-Lifeact (a small genetically expressed probe that binds to actin and is derived from the first 17 aa of Abp140) imaged with structured illumination. Structured illuminati...

Time-lapse microscopy of histone-RFP expressing mouse oocytes injected with siCo-5h, a control siRNA. Images were taken every 20 minutes. Times after the resumption of meiotic maturation and germinal ...

Confocal micrograph of Arabidopsis thaliana (thale cress) seedling leaf with stomata (yellow mouth-like structures) and parenchyma cells. Confocal microscopy. Honorable Mention, 2009 Olympus BioScapes...

Trichodina pediculus, a "hydra bug." Image captured at about 600x magnification using differential interference contrast. Eighth Prize, 2008 Olympus BioScapes Digital Imaging Competition®.