(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)—The "Mighty Eagle," a NASA robotic prototype lander, reached its highest altitude and velocity—and longest duration—on Oct. 25 when it soared to a height of more than 150 feet during a flight that lasted ...
Space Exploration
Nov 1, 2012
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People tend to think of ozone as something in the upper atmosphere that protects the earth's surface from UV radiation. At the ground level, however, ozone is a pollutant that damages crops, particularly soybean.
Earth Sciences
Oct 30, 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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(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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