News tagged with nucleus

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The Energy Sources of Ultraluminous Galaxies

The Energy Sources of Ultraluminous Galaxies

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.6 / 5 (17) | comments 1

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...


A Theory of Dark Matter

A Theory of Dark Matter

Physics / General Physics

created Sep 08, 2009 | popularity 3.6 / 5 (41) | comments 58

Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."


Turning back the clock: Fasting prolongs reproductive life span

Biology / Cell & Microbiology

created Aug 27, 2009 | popularity 4.8 / 5 (5) | comments 0

Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...


Physicists make crystal/liquid interface visible for first time

Physicists make crystal/liquid interface visible for first time

Physics / Condensed Matter

created Aug 11, 2009 | popularity 4.2 / 5 (11) | comments 13

"Imagine you're a water molecule in a glass of ice water, and you're floating right on the boundary of the ice and the water," proposes Emory University physicist Eric Weeks. "So how do you know if you're ...


Shedding some light on Parkinson's treatment

Shedding some light on Parkinson's treatment

Medicine & Health / Research

created Apr 16, 2009 | popularity 5 / 5 (2) | comments 1

A research team lead by Karl Deisseroth in the bioengineering department at Stanford University has developed a technique to systematically characterize disease circuits in the brain. By precisely controlling ...


Study improves insights into Parkinson's disease and possible treatments

Medicine & Health / Research

created Mar 19, 2009 | popularity 5 / 5 (1) | comments 0

About the only thing doctors have understood about deep-brain stimulation, which is widely used to treat Parkinson's disease symptoms, is that somehow it works for many patients. In a new study that will be published March ...


Rapidly evolving gene contributes to origin of species

Biology /

created Feb 05, 2009 | popularity 4.8 / 5 (10) | comments 1

A gene that helped one species split into two species shows evidence of adapting much faster than other genes in the genome, raising questions about what is driving its rapid evolution.


Researchers heat up gold to surprising effect: It gets harder not softer

Researchers heat up gold to surprising effect: It gets harder not softer

Physics / Condensed Matter

created Jan 22, 2009 | popularity 4 / 5 (5) | comments 2

Common sense tells us that when you heat something up it gets softer, but a team of researchers, led by University of Toronto chemistry and physics professor R.J. Dwayne Miller, has demonstrated the exact ...


World's Smallest Storage Space ... the Nucleus of an Atom

Memoirs of a qubit: Hybrid memory solves key problem for quantum computing

Physics / General Physics

created Oct 22, 2008 | popularity 4.8 / 5 (56) | comments 5

An international team of scientists has performed the ultimate miniaturisation of computer memory: storing information inside the nucleus of an atom. This breakthrough is a key step in bringing to life a quantum ...


New study describes connections between Circadian and metabolic systems

Biology / Other

created Nov 12, 2009 | popularity 2.5 / 5 (2) | comments 0

A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body's Circadian system and may also simultaneously modulate its ...


Sky merger yields sparkling dividends

Sky merger yields sparkling dividends

Space & Earth / Astronomy

created Oct 13, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- Not surprisingly, interacting galaxies have a dramatic effect on each other. Studies have revealed that as galaxies approach one another massive amounts of gas are pulled from each galaxy ...


Telltale moss: Mother Nature gives clues for improving stem cell techniques

Biology / Biotechnology

created Sep 29, 2009 | popularity 5 / 5 (3) | comments 0

Hikers know that moss on a tree trunk always points north. According to new research by Israeli and German scientists, this ancient plant may also provide a new "compass" for stem cell research, telling scientists how better ...


'Promiscuous' protein interactions found in the nuclear pore complex

Biology / Cell & Microbiology

created Sep 29, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- The NPC is the only way in or out of a cell's nucleus. It plays a key role in cellular metabolism and signaling, and any malfunction in these pores can have lethal consequences. Now new research reveals further ...


New route to leukemia uncovered

New route to leukemia uncovered

Medicine & Health / Cancer

created Sep 28, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Scientists have discovered a completely new route by which leukaemia develops, according to research published in Nature this weekend.


Lipid involved with gene regulation uncovered

Medicine & Health / Cancer

created Sep 04, 2009 | popularity 5 / 5 (4) | comments 0

Virginia Commonwealth University School of Medicine researchers have discovered a new role for the bioactive lipid messenger, sphingosine-1-phosphate, or S1P, that is abundant in our blood - a finding that could lead to a ...