Photo Researchers ftp March 2011

A photochart in which corn kernels of the appropriate genotype and phenotype have been placed in the chart and photographed in color. The chart shows...

Researcher with culture plates in a hospital microbiology lab.

Researcher preparing slide from a culture dish in a hospital microbiology lab.

Light micrograph of green algae in the genus Euastrum, family Desmidiaceae. Magnification 165x at 35mm.

Scientist with electron microscope.

Scientist dissecting a bird in a laboratory.

Forensic lab director with wildlife products.

Forensic lab director with wildlife products.

Forensic lab director with wildlife products.

A match bursting into flames.

Native american plant pathologist at work.

Native american plant pathologist at work.

Scientist and DNA model.

Scientist and DNA model.

Wave cloud. Wind shaped cloud.

Wave cloud. Wind shaped cloud.

Light micrograph (LM) of green algae in the genus Spirogyra and mixed plankton. Magnification 100x at 35mm.

Color-enhanced Scanning Electron Micrograph (SEM) of white blood cell surrounded by red blood cells. Magnification x1600 at 35mm.

Blue shark (Prionace glauca) bites chainmail-armored diver's scuba air hose, causing a rush of bubbles to escape, however, the diver is okay.

Light micrograph (LM) of algae in the genus Micrasterias, in the class Desmidiales (living), showing binary fission. Anoptral contrast. Magnification...

Stratus Clouds.

Microsurgery corneal graft research.

A live tree is put in a NMR as part of an atmospheric toxicology study by Dr. Janet McFall of Duke University.

Woman bringing her cat to a veterinary hospital.

Fossil ginkgo leaves from the collection at the Smithsonian.

A pristine view of Mount St. Helens before the catastrophic eruption of May 18, 1980.

Cryopreservation of endangered species. Frozen sperm samples of an endangered species (NY Zoological Society).

Cryopreservation of endangered species. Frozen sperm samples of an endangered species (NY Zoological Society).

Cryopreservation of endangered species. Frozen sperm samples of an endangered species (NY Zoological Society).

Cryopreservation of endangered species. Frozen sperm samples of an endangered species (NY Zoological Society).

Chromatography: separation of a mixture of heptanal and cylohexanol into its components by gas chromatography. (Heptanal is the left peak).

Banding cattle egrets (Bubulcus ibis).

Approaching Thunderstorm from Kitt Peak, Tucson, AZ.

Honey bees (Apis mellifera) tagged for research purposes.

Color enhanced tracings of the standard physiologic variables measured during sleep studies. Here brain activity is shown in red and eye movements are...

Color enhanced tracings of the standard physiologic variables measured during sleep studies. Dream brain cell shown in green; REM (rapid eye movement...

Color enhanced tracings of the standard physiologic variables measured during sleep studies. Dream brain cell shown in red, EEG waves shown in orange.

Color enhanced tracings of the standard physiologic variables measured during sleep studies. Dream brain cell shown in green; REM (rapid eye movement...

Color enhanced tracings of the standard physiologic variables measured during sleep studies. Here brain activity is shown in red and eye movements are...

Ice calving off of Childs Glacier near the fishing town of Cordova, Alaska.

Ice calving off of Childs Glacier near the fishing town of Cordova, Alaska.

Light micrograph of green algae in the genus Ulothrix. These Eukaryotic, unicellular, filamentous algae are found in both fresh and marine water. Repr...

Light micrograph of green algae in the genus Ulothrix. These Eukaryotic, unicellular, filamentous algae are found in both fresh and marine water. Repr...

Light micrograph of green algae in the genus Ulothrix. These Eukaryotic, unicellular, filamentous algae are found in both fresh and marine water. Repr...

Light micrograph of green algae in the genus Ulothrix. These Eukaryotic, unicellular, filamentous algae are found in both fresh and marine water. Repr...

Lava stream flows from the Pu'u O'o vent on the slopes of Kilauea volcano, on Hawaii's Big Island; July 28, 1992.

Active lava lake on the slopes of Kilauea Volcano, on Hawaii's Big Island. Bubbling lava breaks the crust in two places. Photographed July 28, 1992.

Active lava lake on the slopes of Kilauea Volcano, on Hawaii's Big Island. Bubbling lava breaks the crust in two places. Photographed July 28, 1992.

Active lava lake on the slopes of Kilauea Volcano, on Hawaii's Big Island. Bubbling lava breaks the crust in two places. Photographed July 28, 1992.

Light micrograph of green algae in the family Desmidiaceae. Magnification unknown.