Current Feed Content from 13 Oct 08 05:22
Featured - New instrument puts new spin on superconductors
Fri, 10 Oct 2008 17:37:41 -0400
Researchers at the U.S. Department of Energy's Ames Laboratory are part of collaborative team that's used a brand new instrument at the DOE's Spallation Neutron Source to probe iron-arsenic compounds, the "hottest" new find in the race to explain and develop superconducting materials.
Source: DOE/Ames Laboratory - Discipline: PhysicsFeatured - Scientists resolve long-standing puzzle in climate science
Fri, 10 Oct 2008 17:34:25 -0400
A team led by Livermore scientists has helped reconcile the differences between simulated and observed temperature trends in the tropics.
Source: DOE/Lawrence Livermore National Laboratory - Discipline: EnvironmentFeatured - Landmark study unlocks stem cell, DNA secrets
Fri, 10 Oct 2008 17:34:24 -0400
In a groundbreaking study led by an eminent molecular biologist at Florida State University, researchers have discovered that as embryonic stem cells turn into different cell types, there are dramatic corresponding changes to the order in which DNA is replicated and reorganized.
Source: Florida State University - Discipline: Stem cellsFeatured - A link between mitochondria and tumor formation in stem cells
Fri, 10 Oct 2008 13:11:03 -0400
Researchers report on a previously unknown relationship between stem cell potency and the metabolic rate of their mitochondria –a cell's energy makers. Stem cells with more active mitochondria also have a greater capacity to differentiate and are more likely to form tumors.
Source: American Society for Biochemistry and Molecular Biology - Discipline: Stem cellsFeatured - NASA supercomputer shows how dust rings point to exo-Earths
Fri, 10 Oct 2008 13:11:01 -0400
Supercomputer simulations of dusty disks around sunlike stars show that planets nearly as small as Mars can create patterns that future telescopes may be able to detect. The research points to a new avenue in the search for habitable planets.
Source: NASA/Goddard Space Flight Center - Discipline: AstronomyFeatured - Scientists discover crucial control in long-lasting immunity
Fri, 10 Oct 2008 12:36:51 -0400
National Institutes of Health (NIH) scientists have identified a protein that plays matchmaker between two key types of white blood cells, T and B cells, enabling them to interact in a way that is crucial to establishing long-lasting immunity after an infection.
Source: NIH/National Institute of Allergy and Infectious Diseases - Discipline: ImmunologyFeatured - On the trail of a targeted therapy for blood cancers
Fri, 10 Oct 2008 11:59:42 -0400
Investigators from the Herman B Wells Center for Pediatric Research at the Indiana University School of Medicine are focusing on a family of blood proteins that they hope holds a key to decreasing the toxic effects of chemotherapy in children and adults.
Source: Indiana University - Discipline: CancerFeatured - Using electrons to treat organic seeds
Fri, 10 Oct 2008 11:59:41 -0400
Conventional farming practice involves treating seeds with a mixture of chemicals: Fungicides to protect the emerging seedlings from attack by microscopic fungi, insecticides against wireworms, aphids and biting insects, herbicides to suppress weeds. Researchers at the Fraunhofer Institute for Electron Beam and Plasma Technology FEP in Dresden have developed an alternative to fungicide treatment.
Source: Fraunhofer-Gesellschaft - Discipline: AgricultureWhere Have All the Little Plutos Gone?
Fri, 10 Oct 2008 11:27:02 -0400The far corners of our solar system may be surprisingly sparse, research shows.
Source: Discovery Channel - Discipline: AstronomyFeatured - Can genetic information be controlled by light?
Fri, 10 Oct 2008 11:27:01 -0400
Researchers at Kiel University have succeeded in showing that DNA strands differ in their light sensitivity depending on their base sequences.
Source: Kiel University - Discipline: GeneticsProgrammable Matter Moves From Sci-Fi to Sci-Real
Fri, 10 Oct 2008 11:26:58 -0400Wil McCarthy imagined magical material that could take on new properties using "quantum dots" to control electrons. After naysayers doubted the idea, McCarthy went out and created the first programmable matter: "thermoreflective" windows and walls that respond to their environments.
Source: Discover Magazine - Discipline: PhysicsAn Easier Upgrade to Holographic Storage
Fri, 10 Oct 2008 10:38:50 -0400GE Global Research is developing terabyte discs and players that will work with old storage media.
Source: Technology Review - Discipline: TechnologyFeatured - Astronomers get best view yet of infant stars at feeding time
Fri, 10 Oct 2008 10:38:48 -0400
Astronomers have used ESO's Very Large Telescope Interferometer to conduct the first high resolution survey that combines spectroscopy and interferometry on intermediate-mass infant stars.
Source: ESO - Discipline: AstronomyBug-Powered Fuel Cells Could Run on Waste
Fri, 10 Oct 2008 10:38:45 -0400Bacteria that break down cellulose and other waste are outfitting fuel cell prototypes.
Source: Discovery Channel - Discipline: EnergyFeatured - Sensitive nanowire disease detectors made by Yale scientists
Fri, 10 Oct 2008 10:38:43 -0400
Yale scientists have created nanowire sensors coupled with simple microprocessor electronics that are both sensitive and specific enough to be used for point-of-care (POC) disease detection, according to a report in Nano Letters.
Source: Yale University - Discipline: TechnologyHawking: If we survive the next 200 years, we should be OK
Fri, 10 Oct 2008 10:38:40 -0400Professor Stephen Hawking -- one of the world's great scientists -- is looking to the stars to save the human race but pessimism is overriding his natural optimism.
Source: CNN.com - Discipline: SpaceFeatured - A new explosive
Fri, 10 Oct 2008 10:38:38 -0400
Since the discovery of nitroglycerin in 1846, the nitrate ester group of compounds has been known for its explosive properties. A whole series of other nitrate esters have been subsequently put to use as explosives and fuels.
Source: Wiley-Blackwell - Discipline: ChemistryVisit China's Forbidden City -- as a virtual eunuch
Fri, 10 Oct 2008 10:38:35 -0400Culture fans thousands of miles from Beijing can now visit its famous Forbidden City, through a three dimensional recreation of the vast palace that also allows them to dress up as an imperial eunuch and meet a courtesan.
Source: Reuters - Discipline: TechnologyIndian Tribes See Profit in Harnessing the Wind for Power
Fri, 10 Oct 2008 10:21:22 -0400Native American tribes in South Dakota are hoping to build turbine farms to take advantage of some of the country’s strongest and most reliable winds.
Source: NYT - Discipline: EnergyFeatured - Fitness in a changing world
Fri, 10 Oct 2008 10:21:19 -0400
The stickleback fish, Gasterosteus aculeatus, is one of the most thoroughly studied organisms in the wild, and has been a particularly useful model for understanding variation in physiology, behavior, life history and morphology caused by different ecological situations in the wild.
Source: National Science Foundation - Discipline: Genetics
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