Photo Researchers ftp March 2011

Stunted tomato plants reveal the effects of different amounts of gamma radiation received in an experiment at Brookhaven National Laboratory, Upton, N...

Tornado striking Greenwood, Indiana, May 27, 1973.

Heavy rain, Glennbrook, Connecticut.

Aerial view of Mount Mayon, an active stratovolcano. Albay Province, Luzon, Philippines.

Aerial view of Mount Mayon, an active stratovolcano. Albay Province, Luzon, Philippines.

Aerial view of Mount Mayon, an active stratovolcano. Albay Province, Luzon, Philippines.

Skeleton of a young dinosaur. Approximately 700 species of dinosaurs have been named. Dinosaurs lived during the Mesozoic Era, which includes the Tri...

Mammatus clouds, also known as mammatocumulus (meaning "mammary cloud" or "breast cloud"), cellular pattern of pouches hanging underneath the base of...

Yellow pimpernel (Lysimachia nemorum) flower. Photographed in ultraviolet light. This is also as a bee sees this flower.

Yellow pimpernel (Lysimachia nemorum) photographed in white light, showing the visual pattern of this image as perceived by humans. Image number 8V131...

Aerial view of Taal volcano erupting. Batangas Province, Luzon, Philippines.

Cabbage treated with gibberellic acid. This is a hormone already found in plants which promotes growth and elongation of cells.

Aftermath of Super Typhoon Joan, Virac, Catanduanes Island, Philippines. It was the strongest typhoon ever to strike the Philippines, and the ninth de...

Containers in which growing tradescantia plants are being flown in a Brookhaven National Laboratory experiment on board the first biosatellite. The ro...

Haitian waterfront in ruins in the wake of Hurricane Flora. The storm produced winds of up to 120 miles per hour, produced storm surges of over 12 fee...

Tornado. The condensation funnel is clearly visible.

HIstoric image taken from a cloud chamber. "The bold geometric pattern of this cloud chamber photograph is made by the disintegration of carbon and o...

Huge dust storm approaching unknown location in April, 1935 (probably on April 14, known as "Black Saturday") during the Dust Bowl, an agricultural, e...

Storm surge from a hurricane. Surges along flat coasts can bring catastrophe. The greatest loss of life associated with hurricanes is caused by floodi...

Huge dust storm hits Kansas during the Dust Bowl, an agricultural, ecological, and economic disaster in the Great Plains region of North America in th...

Zeiss standard microscope for Immunofluorescence with 35mm attachment camera.

A series of celosia plants exposed to various day lengths. There is a noticeable graded response.

Landscape near Harmon, South Dakota, near the center of wheat country, after one of the many dust storms of the Dust Bowl, an agricultural, ecological...

Dinosaur tracks from Newark, New Jersey. Footprints seen here are from the early Jurassic Period. The slabs here are fine red-sandstones which were...

A farmstead hit by one of the many dust storms of the 1930s in Texas during the Dust Bowl, an agricultural, ecological, and economic disaster in the G...

A favorable response to an experimental gibberellic acid treatment is illustrated by the 2-year-old loblolly pine at right. When this greenhouse plant...

Tornado, Oklahoma, August 1925. The condensation funnel is clearly visible.

Tornado, Hardtner, Kansas, June 1929.

Historic hydrogen bubble chamber photograph from the Lawrence Berkeley National Laboratory. It shows a sequence of two catalyzed nuclear reactions -...

Reactor vessel of the Virgil C. Summer Nuclear Generating Station, near Jenkinsville, South Carolina; photographed prior to the facility's opening in...

Historic image from the Nevis Cyclotron Laboratory of meson decay in a liquid hydrogen bubble chamber. A negative pi meson decays into a negative mu...

This image of a proton-photon collision was obtained with a bubble chamber at the Stanford Linear Accelerator Center (SLAC), showing the collision bet...

HIstoric image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows carbon and oxygen disintegration in a cloud c...

HIstoric image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows two carbon and oxygen atoms breaking apart wh...

HIstoric image taken from a cloud chamber at the Lawrence Berkeley National Laboratory. The image shows alpha particles from a radioactive source.

HIstoric image taken from a cloud chamber at the Nevis Cyclotron Laboratory. The image shows diffusion cloud chamber tracks. A negative pi meson str...

HIstoric image taken from a cloud chamber at the Nevis Cyclotron Laboratory. The image shows diffusion cloud chamber tracks. A negative pi meson str...

Dust storm at a War Relocation Center, August 3, 1942.

Soybean plants grown with 14.5 hour photoperiods, and are 2 feet high at harvest time. Photoperiodicity is the physiological reaction a plant may have...

Soybean plants grown with 13.5 hour photoperiods, and are one foot high at harvest time. Photoperiodicity is the physiological reaction a plant may ha...

Huge clouds of volcanic ash pour from Mount St. Helens after its major, catastrophic eruption of May 18, 1980.

Huge clouds of volcanic ash pour from Mount St. Helens after its major, catastrophic eruption of May 18, 1980.

Metal billboard bent by the 100+ mph winds of Hurricane Alicia, which struck Houston, Texas on August 18, 1983.

Cars and trucks driving down Houston Street in Houston, Texas, dodge live power lines felled by Hurricane Alicia. August 18, 1983.

TEM of yeast ascus with young ascospores, (Saccharomyces cerevisiae). This fungus consists of single vegetative cells, and is otherwise known as bake...

Electron microscope of coelosphaerium naegelianum; a colony of unicells. Magnification x3000 @ 10cm long.

Aftermath of the "Hurricane of 1900," which made landfall in Galveston, Texas on September 8, 1900. It had estimated winds of 135 miles per hour, maki...

A plant at different stages of irradiation. From left to right: controlled to 5, 10, 25, 50, and 100 kilorads.

Maize, or corn, at different stages of irradiation. From left to right: controlled to 5, 10, 25, 50, and 100 kilorads.

Historic bubble chamber photograph from the Brookhaven National Laboratory. A 2.85 Bev proton from the Cosmotron collides with a proton in the liquid...