(Phys.org)—Scientists are unsure why proteins form improperly and cluster together in bunches, a hallmark of neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), Alzheimer's and Mad Cow Disease. In the ...
Cell & Microbiology
Nov 2, 2012
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(Phys.org)—Our brains are constantly awash in chemicals that serve as messengers, transporting signals from one neuron to another. It's a really nifty system, although scientists still aren't clear on how, exactly, those ...
Biochemistry
Oct 16, 2012
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Inflammation is the hallmark of many human diseases, from infection to neurodegeneration. The chemical balance within a tissue is disturbed, resulting in the accumulation of reactive oxygen species (ROS) such as hydrogen ...
Bio & Medicine
Sep 18, 2012
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(Phys.org)—The most common form of strokes are caused by a sudden reduction in blood flow to the brain (ischemia) that leads to an inadequate supply of oxygen and nutrients. These so-called ischemic strokes are one of the ...
Bio & Medicine
Sep 14, 2012
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A nanoparticle developed at Rice University and tested in collaboration with Baylor College of Medicine (BCM) may bring great benefits to the emergency treatment of brain-injury victims, even those with mild injuries.
Bio & Medicine
Aug 23, 2012
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(Phys.org) -- Hydrogen peroxide doesn't just come in bottles from the drugstore – the human body makes it as well. Now researchers from North Carolina State University have found a way to use naturally occurring hydrogen ...
Materials Science
Aug 1, 2012
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Toxic chemicals wreak havoc on cells, damaging DNA and other critical molecules. A new study from researchers at MIT and the University at Albany reveals how a molecular emergency-response system shifts the cell into damage-control ...
Cell & Microbiology
Jul 3, 2012
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A Washington State University astrobiologist is leading a group of 20 scientists in calling for a mission to Mars with "a strong and comprehensive life detection component." At the heart of their proposal is a small fleet ...
Space Exploration
Apr 23, 2012
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(PhysOrg.com) -- A new hypothesis posed by a University of Tennessee, Knoxville, associate professor and colleagues could be a game changer in the evolution arena. The hypothesis suggests some species are surviving by discarding ...
Evolution
Apr 4, 2012
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Microorganisms can sometimes lose the ability to perform a function that appears to be necessary for their survival, and yet they still somehow manage to endure and multiply. How can this be? The authors of an opinion piece ...
Evolution
Mar 27, 2012
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