News tagged with matter

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Spinons -- confined like quarks

Physics / General Physics

created Nov 29, 2009 | popularity 4.5 / 5 (15) | comments 2

The concept of confinement is one of the central ideas in modern physics. The most famous example is that of quarks which bind together to form protons and neutrons. Now Prof. Bella Lake from Helmholtz-Zentrum Berlin (Germany) ...


High unexpressed anger in MS patients linked to nervous system damage, not disease severity

Medicine & Health / Neuroscience

created Nov 24, 2009 | popularity not rated yet | comments 0

People with Multiple Sclerosis (MS) feel more than twice as much withheld anger as the general population and this could have an adverse effect on their relationships and health, according to a study published in the December ...


New neuroimaging analysis technique identifies impact of Alzheimer's disease gene in healthy brains

Medicine & Health / Research

created Nov 17, 2009 | popularity 5 / 5 (1) | comments 0

Brain imaging can offer a window into risk for diseases such as Alzheimer's disease (AD). A study conducted at the University of Kansas School of Medicine demonstrated that genetic risk is expressed in the brains of even ...


Do we need dark matter?

Do we need dark matter?

Physics / General Physics

created Nov 12, 2009 | popularity 4.2 / 5 (20) | comments 35

It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.


Ionic Liquid's Makeup Measurably Non-Uniform at the Nanoscale

Physics / Condensed Matter

created Nov 10, 2009 | popularity 5 / 5 (1) | comments 1

(PhysOrg.com) -- Researchers at Texas Tech University, Queen's University in Belfast, Ireland, the University of Rome and the National Research Council in Italy recently made a discovery about the non-uniform chemical compositions ...


Additive copper-zinc interaction affects toxic response in soybean

Space & Earth / Environment

created Nov 10, 2009 | popularity 3 / 5 (1) | comments 0

Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of time. Regulations and guidelines ...


Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Physics / General Physics

created Nov 03, 2009 | popularity 4.4 / 5 (58) | comments 44

(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...


Climate variability impacts the deep sea

Climate variability impacts the deep sea

Space & Earth / Earth Sciences

created Nov 02, 2009 | popularity 4.1 / 5 (7) | comments 0

Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences.


High-precision measurements confirm cosmologists' standard view of the universe

Precise picture of early Universe supports 'dark matter' theory

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.8 / 5 (17) | comments 9

A detailed picture of the seeds of structures in the universe has been unveiled by an international team co-led by a Cardiff University scientist.


Dark Matter in a Galaxy

Dark Matter in a Galaxy

Space & Earth / Astronomy

created Oct 30, 2009 | popularity 4.1 / 5 (20) | comments 19

(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.


Dark matter sleuths to design world's largest WIMP catcher

Physics / General Physics

created Oct 29, 2009 | popularity 4 / 5 (6) | comments 0

A team of researchers led by a Case Western Reserve University physicist is planning the world's largest, most sensitive experiment to catch the stuff of dark matter, stuff that's proved way beyond invisible.


Researchers find brain cell transplants help repair neural damage

Medicine & Health / Research

created Oct 29, 2009 | popularity not rated yet | comments 0

A Swiss research team has found that using an animal's own brain cells (autologous transplant) to replace degenerated neurons in select brain areas of donor primates with simulated but asymptomatic Parkinson's disease and ...


Regeneration can be achieved after chronic spinal cord injury

Medicine & Health / Neuroscience

created Oct 28, 2009 | popularity 5 / 5 (6) | comments 4

Scientists at the University of California, San Diego School of Medicine report that regeneration of central nervous system axons can be achieved in rats even when treatment delayed is more than a year after the original ...


Scientists use world's fastest supercomputer to model origins of the unseen universe

Physics / General Physics

created Oct 26, 2009 | popularity 3.8 / 5 (9) | comments 5

Understanding dark energy is the number one issue in explaining the universe, according to Salman Habib, of the Laboratory's Nuclear and Particle Physics, Astrophysics and Cosmology group.


Science at the petascale: Roadrunner supercomputer results unveiled

Electronics / Hardware

created Oct 26, 2009 | popularity 4.6 / 5 (10) | comments 0

The world's fastest supercomputer, Roadrunner, at Los Alamos National Laboratory has completed its initial "shakedown" phase doing accelerated petascale computer modeling and simulations of a variety of unclassified, fundamental ...