(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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(Phys.org)—Completing this round of flight test objectives, the "Mighty Eagle," a NASA robotic prototype lander, flew to an altitude of 100 feet and descended gently to a controlled landing during a successful free flight ...
Space Exploration
Sep 6, 2012
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(Phys.org)—With a whistle and a roar, the "Mighty Eagle," a NASA robotic prototype lander, sailed to an altitude of 100 feet during another successful free flight Aug. 28 at NASA's Marshall Space Flight Center in Huntsville, ...
Space Exploration
Aug 29, 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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NASA's "Mighty Eagle" successfully found its target during a 32-second free flight Aug. 16 at NASA's Marshall Space Flight Center in Huntsville, Ala. This small, versatile robotic lander prototype demonstrates technologies ...
Space Exploration
Aug 17, 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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