Photo Researchers ftp March 2011

Iron filings placed on top of a piece of paper with a rectangular magnet underneath it.

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the s...

Iron filings placed on top of a piece of paper with two rectangular magnets underneath it. The magnets have north and south ends. In this photo, the n...

Scanning electron micrograph (SEM) of Ceratocystis ulmi on an elm tree. This is a cause of Dutch Elm Disease (DED). This shows the conidia, the spores...

Scanning electron micrograph (SEM) of Ceratocystis ulmi on an elm tree. This is a cause of Dutch Elm Disease (DED). This shows the conidia, the spores...

Scanning Electron Micrograph of bread mold (Mucor sp.) mycelium, showing sporangiophores and sporangia; magnification x150.

Scanning Electron Micrograph of bread mold (Mucor sp.) mycelium, showing sporangiophores and sporangia; magnification x150.

Scanning Electron Micrograph of bread mold (Mucor sp.) mycelium, showing sporangiophores and sporangia; magnification x225.

Scanning Electron Micrograph of bread mold (Mucor sp.) mycelium, showing sporangiophores and sporangia; magnification x225.

Trichophyton interdigitale hyphae on human skin; enhanced SEM. SEM Magnification x8750.

Trichophyton interdigitale hyphae on human skin; enhanced SEM. SEM Magnification x8750.

Scanning Electron Micrograph (SEM) of Phaneroplasmodium spreading over Sorbus leaf surface, showing hyphae. Magnification x784; 8x10" print.

Scanning Electron Micrograph (SEM) of Phaneroplasmodium spreading over Sorbus leaf surface, showing hyphae. Magnification x784; 8x10" print.

Trichophyton interdigitale hyphae on human skin; hyphae and epidermal cells. SEM Magnification x4375.

Trichophyton interdigitale hyphae on human skin; hyphae and epidermal cells. SEM Magnification x4375.

Scanning electron micrograph (SEM) of Erysiphe graminis f. hordei fungus (also called Blumeria graminis) on a barley leaf. Shown here are the conidio...

Scanning electron micrograph (SEM) of Erysiphe graminis f. hordei fungus (also called Blumeria graminis) on a barley leaf. Shown here are the conidio...

Scanning electron micrograph (SEM) of Erysiphe graminis f. hordei fungus (also called Blumeria graminis) on a barley leaf. Shown here are the conidio...

Trichophyton tonsurans, the fungus that is the causative agent of the skin condition tinea (or ringworm). Seen here are hyphae and microconidia (asexu...

Trichophyton tonsurans, the fungus that is the causative agent of the skin condition tinea (or ringworm). Seen here are hyphae and microconidia (asexu...

Trichophyton tonsurans, the fungus that is the causative agent of the skin condition tinea (or ringworm). Seen here are hyphae and microconidia (asexu...

Scanning electron microscopy (Magnification=560x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Close...

Scanning electron microscopy (Magnification=560x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Close...

Scanning electron microscopy (Magnification=1800x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Scanning electron microscopy (Magnification=1800x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Scanning electron microscopy (Magnification=2350x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Scanning electron microscopy (Magnification=2350x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Trichoderma attacking a plant pathogen (Rhizoctonia sp, cause of root rot). A narrow hyphae of Trichoderma coil around wide hypha of Rhizoctonia, the...

Trichoderma attacking a plant pathogen (Rhizoctonia sp, cause of root rot). A narrow hyphae of Trichoderma coil around wide hypha of Rhizoctonia, the...

Trichoderma attacking a plant pathogen (Rhizoctonia sp, cause of root rot). A narrow hyphae of Trichoderma coil around wide hypha of Rhizoctonia, the...

Scanning electron microscopy (Magnification=5000x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Scanning electron microscopy (Magnification=5000x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Scanning electron microscopy (Magnification=5000x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Clos...

Scanning electron microscopy (Magnification=475x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Close...

Scanning electron microscopy (Magnification=475x) of nematode-trapping loops of fungi imperfecti (Arthrobotrys oligospora), nematophagous fungi. Close...