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image: The Anatomy of a High

The Anatomy of a High

By | June 3, 2011

When someone snorts or smokes cocaine, which is composed of small crystalline alkaloid molecules, the drug enters the bloodstream and from there eventually crosses into the heart, brain, and other organs. 


image: Part Human, Part HIV

Part Human, Part HIV

By | June 3, 2011

Like other enveloped viruses, HIV exits its host cell enshrouded in the cell’s membrane, which contains membrane molecules such as the human leukocyte antigens (HLA). 


image: Fungus Factsheet

Fungus Factsheet

By | June 3, 2011

The Last Vaccine Frontier: Successful vaccines have been created to protect against pathogenic bacteria and viruses. Why aren’t there any for combating fungal infections?   


image: Antifungal Immune Response

Antifungal Immune Response

By | June 3, 2011

For years researchers believed that any effective antifungal vaccine would have to induce the production of antibodies.  Research studies have now shown that the cellular immune responses mediated by Th1 and Th17 cytokines are just as important. 


image: Growth Plate Dynamics

Growth Plate Dynamics

By | June 3, 2011

The growth plate is divided into several distinct regions, each populated with cartilage cells (chondrocytes) displaying characteristic behaviors. 


image: Mitochondria at Work

Mitochondria at Work

By | June 3, 2011

Mitochondria combine hydrogen derived from dietary carbohydrates and fats with oxygen to generate heat and ATP. 


image: Anatomy of C. Difficile

Anatomy of C. Difficile

By | June 2, 2011

Clostridium difficile is a spore-forming, gram-positive bacterium that can cause disease when ingested. 


image: Tibetan medical paintings

Tibetan medical paintings

By | May 15, 2011

Seventeenth-century Tibet witnessed a blossoming of medical knowledge, with the construction of a monastic medical college and the penning of several influential medical texts. Perhaps most striking was a set of 79 paintings, known as tangkas, which


image: Micro Farmers

Micro Farmers

By | May 1, 2011

Columbia University evolutionary ecologist Dustin Rubenstein explains just why it's so interesting and important to find slime molds that engage in a form of agriculture.


image: Taking Aim at Melanoma

Taking Aim at Melanoma

By | April 1, 2011

Antigen-presenting cells, such as macrophages or dendritic cells, elicit an immune response by displaying tumor antigens bound to the major histocompatibility complex (MHC) to circulating T-cells. Simultaneous T-cell recognition of glycoproteins CD80


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    The Nutshell Research Links Gut Health to Neurodegeneration

    Rodent studies presented at the Society for Neuroscience meeting this week tie pathologies in the gastrointestinal tract or microbiome composition with Parkinson’s and Alzheimer’s diseases.