American Elm seed (Ulmus americana), captured using stereomicroscopy and polarized light. These seeds are also called samaras and have characteristic "wings" on their periphery. Honorable Mention, 2...

Polarized light micrograph of Triceratops dinosaur parietal (skull) bone. Honorable Mention, 2009 Olympus BioScapes Digital Imaging Competition®.

Fresh water plant Elodea canadensis imaged using polarized light. 2010 Olympus BioScapes Digital Imaging Competition®.

Polarized light micrograph of a Diatom arachnoidiscus. Honorable Mention, 2010 Olympus BioScapes Digital Imaging Competition®.

Brighfield and polarized light of Spirogyra (a filamentous green algae). Spirogyra is unbranched with cellular cells connected end to end in long green filaments. Sixth Prize, 2010 Olympus BioScapes...

The events of meiosis I and II in a living insect spermatocyte beginning with the breakdown of the nuclear envelope at diakinesis through to the completion of cytokinesis. Testes from the Crane fly N...

The events of meiosis I in a living insect spermatocyte beginning at metaphase with meiotic bivalents at the spindle equator followed by anaphase , segregation of bivalents to the spindle poles and t...

Time series of meiosis I, starting at metaphase, in primary spermatocytes of the crane-fly Nephrotoma suturalis that have been experimentally flattened. Time-lapse polarization microscopy using a Nik...

The events of meiosis I in a living insect spermatocyte beginning at metaphase I with bivalents at the spindle equator followed by anaphase, segregation of half-bivalents diakinesis and commencement o...

The events of meiosis I in a living insect spermatocyte beginning at diakinesis through telophase to the near completion of cytokinesis. Testes from the Crane fly Nephrotoma suturalis were observed wi...