News tagged with nucleus
Related topics: genes , cells , protons , chromosomes , cancer cells
Researchers explain process by which cells 'hide' potentially dangerous DNA segments
The DNA in the 23 pairs of chromosomes in each of the billions of cells of the human body is so tightly packed that it would measure six feet in length if stretched end to end. A genome of this size can squeeze into a cell's ...
Apr 09, 2009 |
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The egg makes sure that sperm don't get too old
In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result ...
Mar 25, 2009 |
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Brain activity predicts people's choices
The activity in one brain structure can predict people's preferences, according to new research in the March 25 issue of The Journal of Neuroscience. The study shows that even when people rate options similarly, they will c ...
Medicine & Health / Neuroscience
Mar 24, 2009 |
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Study improves insights into Parkinson's disease and possible treatments
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 ...
Medicine & Health / Medical research
Mar 19, 2009 |
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The sweet spot? Doctors test targets for Parkinson surgery
Doctors may be able to tailor a specialized form of brain surgery to more closely match the needs of Parkinson patients, according to results from the first large-scale effort to compare the two current target areas of deep ...
Medicine & Health / Neuroscience
Mar 13, 2009 |
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Aching Back? Cholesterol Medication Might Help
Back pain, a hallmark of degenerative disc disease, sends millions of people to their doctor. In fact, more than 80 percent of patients who undergo spine surgery do so because of disc degeneration. And part of the answer ...
Medicine & Health / Diseases, Conditions, Syndromes
Feb 23, 2009 |
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For the First Time, Scientists Measure the Size of a One-Neutron Halo with Lasers
Atomic nuclei are normally compact structures defined by a sharp border. About twenty-five years ago, it was discovered at the University of California in Berkeley that there are exceptions to this picture: ...
Feb 20, 2009 |
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Paper sheds new 'light' on fascinating rhythms of the circadian clock
(PhysOrg.com) -- Scientists have long known that interrupting the 24-hour circadian rhythm plays havoc with the lives and health of medical, military and airline personnel, factory employees and travelers.
Biology /
Feb 16, 2009 |
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Rapidly evolving gene contributes to origin of species
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.
Biology /
Feb 05, 2009 |
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Cancer-causing gene discovery suggests new therapies
Scientists have discovered a novel way by which a much-studied cancer-promoting gene accelerates the disease. The finding suggests a new strategy to halt cancer's progress.
Jan 24, 2009 |
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Researchers heat up gold to surprising effect: It gets harder not softer
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 ...
Jan 22, 2009 |
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Mutant host cell protein sequesters critical HIV-1 element
Scientists have identified a new way to inhibit a molecule that is critical for HIV pathogenesis. The research, published by Cell Press in the January 16th issue of the journal Molecular Cell, presents a target for develo ...
Medicine & Health / HIV & AIDS
Jan 15, 2009 |
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Structural study backs new model for the nuclear pore complex
(PhysOrg.com) -- In higher organisms, the genetic material is confined and protected in the cell nucleus. In order for a healthy cell to function, the DNA must send manufacturing orders through the double ...
Biology /
Dec 24, 2008 |
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