Ancient Earth's Magnetic Field Was Structured Like Today's Two-pole Model
03.10.2009 23:00 16 views 0 comments Tags: Lind, Scientists
Scientists have shown that, in ancient times, the Earth's magnetic field was structured like the two-pole model of today, suggesting that the methods geoscientists use to reconstruct the geography of early land masses on the globe are accurate. The findings may lead to a better understanding of historical continental movement, which relates to changes in climate. Read more »
|
Gene With Possible Link To Infertility In Mice Identified
03.10.2009 23:00 27 views 0 comments Tags: Lind, Wire, Mich, Researchers
Researchers have identified the role of a gene in regulating molecular signals involved with ovarian follicle development, which may one day help shed light on some of the causes of fertility issues in humans. Read more »
|
Is Garbage The Solution To Tackling Climate Change?
03.10.2009 23:00 20 views 0 comments Tags: Climate, Singapore
Converting the rubbish that fills the world's landfills into biofuel may be the answer to both the growing energy crisis and to tackling carbon emissions, claim scientists in Singapore and Switzerland. New research reveals how replacing gasoline with biofuel from processed waste could cut global carbon emissions by 80%. Read more »
|
Over 65s Should Take High Dose Vitamin D To Prevent Falls, Say Researchers
03.10.2009 23:00 28 views 0 comments Tags: High, Tate, Should, Doug, Oval, Prevent
A daily supplement of vitamin D at a dose of 700-1000 IU reduces the risk of falling among older people by 19 percent according to a new study. But a dose of less than 700 IU per day has no effect. Read more »
|
Using Synthetic Evolution To Study The Brain: Key Part Of Neurons Modeled On Computer
03.10.2009 23:00 17 views 0 comments Tags: Palm, Study
The human brain has evolved over millions of years to become a vast network of billions of neurons and synaptic connections. Understanding it is one of humankind's greatest pursuits. But to understand how the brain processes information, researchers must first understand the very basics of neurons -- even down to how proteins inside the neurons act to change the neuron's voltage. To do so requires a balance of experimentation and computer modeling. Read more »
|
Teen Attitudes Toward Smoking Linked To Likelihood Of Drinking And Using Drugs
03.10.2009 23:00 32 views 0 comments Tags: Tech, Linked
New research looks at the specific ways parents and peers influence teenagers to smoke, drink and use marijuana in combination. Read more »
|
Quick Rebound From Marine Mass Extinction Event, New Findings Show
03.10.2009 17:00 37 views 0 comments Tags: Many, From, Researchers
Researchers have done the most detailed analysis ever of a layer of sediments deposited during and immediately after the asteroid impact 65 million years ago that wiped out the dinosaurs and 80 percent of Earth's marine life. They found that at least some forms of microscopic marine life -- the so-called "primary producers," or photosynthetic organisms such as algae and cyanobacteria in the ocean -- had recovered within about a century after the mass extinction. Read more »
|
Protein That Enhances Long-term Memory By Controlling Rest Intervals Identified
03.10.2009 17:00 24 views 0 comments Tags: Real
Repeated learning sessions produce long-lasting memory when they are spaced out between rest intervals. Neuroscientists have discovered that this so-called "spacing effect" is controlled in the brain by a molecular timer -- a protein that determines how long rest intervals need to last for long-term memory to form. Read more »
|
New Study Resolves The Mysterious Origin Of Merkel Cells
03.10.2009 17:00 14 views 0 comments Tags: Merkel, Study
A new study resolves a 130-year-old mystery over the developmental origin of specialized skin cells involved in touch sensation. Read more »
|
Leg Movement Training In Preterm Infants Demonstrates Positive Changes In Motor Skills
03.10.2009 17:00 15 views 0 comments
Preterm infants who receive leg movement training display feet-reaching behaviors similar to that of full-term infants, according to a randomized controlled trial. This finding supports feet-reaching play as an early intervention strategy to encourage interaction with physical objects in preterm infants who have movement problems within the first months of postnatal life. Read more »
|
'Promiscuous' Protein Interactions Found In The Nuclear Pore Complex
03.10.2009 17:00 32 views 0 comments Tags: Poor, These, Nuclear
In higher organisms, cells are very selective about what passes in and out of their nuclei, where the genes reside. This selectivity helps protect the DNA and is the job of machines that stud the envelope of the nucleus, called nuclear pore complexes. These gatekeepers have proved largely inscrutable to researchers over the years, despite their conspicuously large size (they are made of 30 different proteins, or nucleoporins), but bit by bit, scientists are learning how these machines work. Read more »
|
Where's The Science? The Sorry State Of Psychotherapy
03.10.2009 17:00 19 views 0 comments Tags: State
The prevalence of mental health disorders in this country has nearly doubled in the past 20 years. Who is treating all of these patients? Clinical psychologists and therapists are charged with the task, but many are falling short by using methods that are out of date and lack scientific rigor, according to a new report. Read more »
|
Scientists Discover What Makes The Same Type Of Cells Different
03.10.2009 11:00 17 views 0 comments Tags: Saab, Scientists
Scientists have managed to decipher a well-known phenomenon that had, until now, remained unexplained: why cells of the same type can react differently, and what the reason for this is. Read more »
|
Aspirin Misuse May Have Made 1918 Flu Pandemic Worse
03.10.2009 11:00 32 views 0 comments Tags: Many, Have, AT&T, H1N1
The devastation of the 1918-1919 influenza pandemic is well known, but a new article suggests a surprising factor in the high death toll: the misuse of aspirin. AThe article sounds a cautionary note as present day concerns about the novel H1N1 virus run high. Read more »
|
Coral Bleaching Increases Chances Of Coral Disease
03.10.2009 11:00 22 views 0 comments Tags: Many
Mass coral bleaching has devastated coral colonies around the world for almost three decades. Now scientists have found that bleaching can make corals more susceptible to disease and, in turn, coral disease can exacerbate the negative effects of bleaching. A new article shows that when they occur together, this combination of afflictions causes greater harm to corals than either does on its own. Read more »
|
Anterior Cruciate Ligament Reconstruction: Tears Common And Additional Surgery Likely In Teens
03.10.2009 11:00 28 views 0 comments Tags: Surgery
Patients who have their anterior cruciate ligament reconstructed are more likely to have subsequent knee surgery if they are women or are treated by a surgeon who does a low volume of ACL reconstructions, according to a new study. The study also found that overall, 6.5 percent of patients undergoing ACL surgery had to undergo another knee operation within one year. Read more »
|
'Visual Walkman' Offers Augmented Reality
03.10.2009 11:00 18 views 0 comments
"Augmented reality" involves mixing the real world with computer-generated images. The result is a kind of visual Walkman, developed by a researcher in The Netherlands. Read more »
|
Researchers Develop An Integrated Treatment For Veterans With Chronic Pain And Posttraumatic Stress
03.10.2009 11:00 33 views 0 comments Tags: United, United States, States, Iran, Palm, Afghanistan, Wire, Iraqi, Researchers
The wars in Iraq and Afghanistan have resulted in a growing number of soldiers evacuated to the United States for comprehensive care for physical and psychological trauma. Given the number of physical injuries often experienced by soldiers, it is not surprising that chronic pain is a frequent problem among returning soldiers from Operation Iraqi Freedom and Operation Enduring Freedom. Read more »
|
Color Plays Musical Chairs In The Brain
03.10.2009 2:00 20 views 0 comments Tags: Research, Plans, Colin
The brain's neural mechanisms keep straight which color belongs to what object, so one doesn't mistakenly see a blue flamingo in a pink lake. But what happens when a color loses the object to which it is linked? Research shows for the first time, that instead of disappearing along with the lost object, the color latches onto a region of some other object in view -- a finding that reveals a new basic property of sight. Read more »
|
Longer-lived, Healthier Mice Offer Promise Of Drug Treatments For Age-related Diseases
03.10.2009 2:00 19 views 0 comments Tags: Mich, Drug, Scientists, Mich, Drug, Scientists
Scientists have managed to extend the lifespan of mice by up to a fifth and reduce the number of age-related diseases the animals suffer. The research, which involved blocking a key molecular pathway, mimics the health benefits of reducing calorie intake and suggests that drug treatments for aging and age-related diseases are feasible. Read more »
|