Photo Researchers ftp March 2011

Teacher holding tarantula with students looking on.

Girl, 11-12, setting up a model rocket to launch.

Girl, 11-12, and her father setting up a model rocket to launch.

An entomology researcher collects small beetles from a black-light collecting sheet. She is using an aspirator which deposits the specimens in a small...

Entomologists collecting small beetles for a census on Santa Cruz Island, Channel Islands National Park, California. They are using aspirators to suck...

Entomologists collecting small beetles for a census on Santa Cruz Island, Channel Islands National Park, California. They are using aspirators to suck...

Palm Canyon, Anza Borrego State Park, California, at sunrise.

Insect tracks on sand dune at Death Valley National Park, California.

Fern Spring in Yosemite Valley, Yosemite National Park, California.

El Capitan viewed across the Merced River, Yosemite National Park, California.

Dawn view of Zabriskie Point with setting moon, Death Valley National Park, California.

Back Swimmer (Genus Notonecta), Santa Cruz Island, Channel Islands National Park, California. Back swimmers are aquatic insects capable of diving and...

Desert Blister Beetles (Lytta magister), Anza Borrego State Park, California. These beetles secrete an organic chemical called "cantharidin" when dist...

Mating Fairy Shrimp (Artemia Species), Carrizo Plain National Monument, California. Members of the genus Artemia are very difficult to classify by spe...

White Lab Mouse (Mus musculus)

White Lab Mouse (Mus musculus)

Many Lab Mice (mus musculus) in a confined area.

Many Lab Mice (Mus musculus) in a confined area.

Chuparosa (Justicia californica), Joshua Tree National Park, California.

Sticky Sand Verbena (Abronia maritima), Santa Cruz Island, Channel Islands National Park, California. It is native to California and Baja California a...

Transformed bacteria colonies containing a jellyfish gene for GFP (green fluorescent protein) causing green bioluminescence.

Archaeopteryx (Archaeopteryx lithographica) fossil cast. One of the earliest birds, Archaeopteryx is a transitional species between therapod dinosaur...

Tyrannosaurus rex skull.

Claosaurus fossil skeleton; Peabody Museum at Yale University, New Haven, Connecticut.

Triceratops (Triceratops prorsus) fossil skull, late Cretaceous Period.

Light and dark bottles under lights in an aquatic primary productivity study. The dissolved oxygen (D.O.) of the bottles was measured initially and wi...

Light and dark bottles for an aquatic primary productivity study. The dissolved oxygen (D.O.) of the bottles was measured initially and will be measu...

Light and dark bottles for an aquatic primary productivity study. The dissolved oxygen (D.O.) of the bottles is being measured using a sensor interfac...

Computer interfaced carbon dioxide sensor measuring changes in CO2 over time resulting from aerobic respiration by crickets. The experiment is part of...

Computer interfaced carbon dioxide sensor measuring changes in CO2 over time resulting from aerobic respiration by crickets. The experiment is part of...

A sign on the campus of Yale University, New Haven, Connecticut, reserving a parking space for a Zipcar. Zipcar is a membership-based car sharing comp...

Rented "zipcar" on the campus of Yale University, New Haven, Connecticut, in a specially-reserved a parking space. Zipcar is a membership-based car sh...

Photographers capture a dramatic light show from Hawaii's Pu'u O'o cone, a cinder/spatter cone in the eastern rift zone of the Kilauea volcano. It has...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 400 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 400 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 400 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 250 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 140 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 325 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Brightfield illumination. Magnification: 400 x at...

Light micrograph of fossilized algae from a section of Gunflint Chert, Canada. 2.1 billion ears old. Polarized light. Magnification: 325 x at 35mm.

Light micrograph of fossilized algae in the class Silicoflagellea. Magnification unknown.

Light micrograph of fossilized algae in the class Silicoflagellea. Magnification unknown.

Light micrograph of fossilized algae in the class Silicoflagellea. Magnification unknown.

View along the Lariat Loop Scenic Byway, Colorado. Notice the sumac leaves are turning a brilliant red. This means that autumn and winter are not far...

Single delight (moneses uniflora pyrolaceae). This tiny beauty grows in coniferous forests.

Scenes along Moffat County Rd 16, part of the Dinosaur Diamond Scenic Byway, Colorado. Only drought resistant plants like juniper, pinyon, rabbitbrush...

Scenes along Moffat County Rd 16, part of the Dinosaur Diamond Scenic Byway, Colorado. Only drought resistant plants like juniper, pinyon, rabbitbrush...

View along the Lariat Loop Scenic Byway, Colorado. Fall dresses the byway in brilliant shades of yellow and somber shades of brown.

Horsethief Canyon State Wildlife Area, Grand county, Utah. The nature area was acquired and managed to replace the habitat lost to Colorado River Basi...