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Several paramecia showing internal structures

Several paramecia showing internal structures. From the Wistreich Collection. Read More

Photo from Haiti: how to diagnose malaria and typhoid

These checklists, scrawled in handwriting on paper pasted to the hospital wall, are used by volunteer doctors and nurses to diagnose and treat patients who come in with symptoms of malaria and typhoid. Both are diseases that we rarely see in the US, but are strikingly common in Haiti. This also ... Read More

Aspergillus restrictus

Aspergillus restrictus from generalized aspergillosis. Note radiating hyphae in granuloma Read More

Mycoplasma pneumoniae

Mycoplasma pneumoniae. Macrophotograph of 16mm petri dish containing micro-colonies (spherules) characteristics of broth-grown Mycoplasma pneumoniae Read More

Coriolus versicolor

Several "Turkey Tails" on a fallen tree in Hyattsville, MD. Read More

Haematococcus pluvialis

Phase contrast image of fresh water unicellular algae Haematococcus pluvialis colelcted at 100X. This species is well known for its high content of the strong antioxidant astaxanthin, which is important in aquaculture, various pharmaceuticals, and cosmetics. Fourth Prize, 2009 Olympus BioScapes ... Read More

Escherichia coli

Escherichia coli in spinal fluid. Gram stain Read More

Gram negative diplococci in blood smear of patient taken 2 hours after dental cleaning

Gram negative diplococci in blood smear of patient taken 2 hours after dental cleaning Read More

Two different proteins produced by anthrax bacteria, Protective Antigen, Lethal Factor

A computer model shows side and top views of two different proteins produced by anthrax bacteria. The green molecule is "protective antigen" (PA), which spontaneously forms pores that penetrate organic membranes such as cell walls. The yellow molecule is "lethal factor (LF)." When a voltage is a... Read More

Microsporum gypseum microconidia

Microsporum gypseum microconidia. Unstained interference phase microscope. (1000X) Read More

Candida albicans

Lactophenol cotton blue wet preparation of scraping from oral lesion, showing pseudohyphae of Candida albicans Read More

The Grand Challenge of Biology

I was at a tech meeting hosted by Amazon Web Services to see how I may use some of their cloud computing services for this site. One segment of the presentation was devoted to customers who use AWS for their sites or work. The slide you see in this image comes from Michael Schatz, Researcher at ... Read More

Arsenic Tolerant Plant

The sporophyte of the fern Pteris vittata, which tolerates and accumulates very high levels of the deadly toxin arsenic. Researchers from Purdue University have identified a gene (ACR3) from P. vittata that is necessary for the plant's tolerance to arsenic.

Jody Banks, professor of botany an... Read More

Coccidioides immitis

Coccidioides immitis. Spherule in lung abscess endospore. Gridley stain. (400X) Read More

Varicella

Varicella. Vesicle smear from case of chicken pox. Direct fluorescent antibody (FA) staining readily differentiates chicken pox or zoster lesions from those due to Herpes simplex viru Read More

ESLB strain of Klebsiella spp

phenomenon called "champagne cork"
have waited half year to catch a strain like that. Read More

Red blood cell infected with malaria parasites

Colorized electron micrograph of red blood cell infected with malaria parasites (blue). The small bumps on the infected cell show how the parasite remodels its host cell. Uninfected cells (red) have smoother surfaces.
Credit: NIAID/RML

Related story: "Scientists Find Genetic Basis for Key Pa... Read More

fungal colonies looks like a satellite map of the forest landscape .

this photo was in fungal isolation procedure in PESIAS college , bangalore, INDIA .


A dangerous bridge for Serratia.

Serratia spp. are widely distributed in nature. Serratia marcescens is the most common Serratia sp. associated with human disease, followed by strains of the S. liquefaciens complex: S. liquefaciens, S. grimesii and S. proteamaculans. The clinical significance of these species is largely unknown... Read More

Sulfer granules on dressing

Sulfer granules on dressing from draining actinomycotic sinus Read More

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