Sunday, November 01, 2009

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News

Newly Discovered Ankylosaur Dinosaur Is 'Biological Version Of An Army Tank'

Posted: 01 Nov 2009 08:00 AM PST

Paleontologists have discovered a new species of dinosaur that lived 112 million years ago during the early Cretaceous of central Montana. The new dinosaur, a species of ankylosaur is the biological version of an army tank. It is protected by a plate-like armor with two sets of sharp spikes on each side of the head, and a skull so thick that even 'raptors' could leave barely more than a scratch.

Innovative Imaging System To Study Sudden Cardiac Arrest Developed

Posted: 01 Nov 2009 08:00 AM PST

Medical researchers have developed an innovative optical system to simultaneously image electrical activity and metabolic properties in the same region of a heart, to study the complex mechanisms that lead to sudden cardiac arrest.

A Solution To Darwin's 'Mystery Of The Mysteries' Emerges From The Dark Matter Of The Genome

Posted: 01 Nov 2009 08:00 AM PST

Why do crosses between two species often yield sterile or inviable progeny (for instance, mules emerging from a cross between a horse and a donkey)? New research suggests that the solution to this problem lies in the "dark matter of the genome": heterochromatin, a tightly packed, gene-poor compartment of DNA found within the genomes of all nucleated cells.

Alternatively Spliced Tissue Factor Identified As Promising New Biomarker For Aggressive Cancers

Posted: 01 Nov 2009 08:00 AM PST

A recently discovered form of the protein that triggers blood clotting may play a key role in the molecular mechanisms leading to the growth of certain metastatic cancers, according to new research.

Thwarting Cyber Criminals

Posted: 01 Nov 2009 08:00 AM PST

What are the odds that your digital identity will be stolen by cyber criminals? Why do bank payment systems crash when everybody is trying to pay for Christmas gifts by credit card? Cyber criminals are everywhere. Now, help is just a click away. Researchers have developed a new, ultrafast digital signature scheme that is 17,000 times faster than current systems for verification, and 10,000 times faster in providing a digital signature.

Tai Chi Exercise Reduces Knee Osteoarthritis Pain In The Elderly, Research Shows

Posted: 01 Nov 2009 08:00 AM PST

Researchers have determined that patients over 65 years of age with knee osteoarthritis who engage in regular Tai Chi exercise improve physical function and experience less pain. Tai Chi is a traditional style of Chinese martial arts that features slow, rhythmic movements to induce mental relaxation and enhance balance, strength, flexibility, and self-efficacy.

Nepotism Has Its Benefits When It Comes To Survival, At Least For Spiders

Posted: 01 Nov 2009 02:00 AM PST

While nepotism may have negative connotations in politics and the workplace, being surrounded by your relatives does lead to better group dynamics and more cooperation in some animals. That seems to be the case for spiders. Researchers found that Stegodyphus tentoriicola spiders are far more efficient at foraging for food and cooperate better when they're related to each other.

Fish Oil May Protect Against Stroke From Ruptured Carotid Artery Plaques

Posted: 01 Nov 2009 02:00 AM PST

Unstable carotid artery plaques -- those in danger of rupturing and leading to a stroke -- contain more inflammation and significantly less omega-3 fatty acids than asymptomatic plaques, according to new research. This suggests that increasing the levels of omega-3 fatty acids in carotid artery plaques could either prevent strokes or improve the safety of treatment.

Chewing Gum Can Reduce Calorie Intake, Increase Energy Expenditure, Nutritionist Finds

Posted: 01 Nov 2009 02:00 AM PST

A nutrition professor studying the effects of chewing sugar-free gum on weight management has found that it can help to reduce calorie intake and increase energy expenditure.

What Causes Blood Cells To Deform, And How Does Deformation Affect Blood Flow?

Posted: 01 Nov 2009 02:00 AM PST

Physicists investigate the forces that deform red blood cells into asymmetric slipper shapes, and strive to learn how the deformation is important in blood flow and various blood flow-related diseases.

E-Infrastructures Give Real Boost To Virtual Observatories

Posted: 01 Nov 2009 02:00 AM PST

New tools and systems developed by European researchers are helping astronomers access data centres from anywhere in the world. From charting new stars to finding new meaning in old stellar objects, the result will be virtual observatories with very real impact.

Room Design Can Enhance Patient Care

Posted: 01 Nov 2009 02:00 AM PST

The design of a consultation room can improve the quality of a visit to the physician's office. A research study was conducted to understand the extent to which a consultation room designed to support present-day clinical encounters could affect the consultation between patients and clinicians.

Hepatitis B Does Not Increase Risk For Pancreatic Cancer

Posted: 30 Oct 2009 09:00 PM PDT

A new study found that hepatitis B does not increase the risk for pancreatic cancer -- and that only age is a contributing factor. The results contradict a previous study in 2008 that suggested a link between pancreatic cancer and previous hepatitis B infection. Hepatitis B is an inflammation of the liver caused by a viral infection.

Extending Treatment After Liver Transplant May Benefit Patients With Hepatitis C Recurrence

Posted: 30 Oct 2009 09:00 PM PDT

Extending hepatitis C treatment for liver transplant patients beyond current practice results in high rates of clearance of the hepatitis C virus from the blood, as well as a low rate of relapse, according to a new study.

Kidney Transplants Generally Safe For Lupus Patients, New Study Suggests

Posted: 30 Oct 2009 09:00 PM PDT

Individuals with a history of lupus who receive a kidney transplant rarely develop the serious inflammatory condition lupus nephritis in their new organ, according to a new article. The findings indicate that having lupus should not keep individuals from seeking a kidney transplant if they need one. Contrary to previous studies, a new study suggests lupus patients who receive kidney transplants rarely develop lupus nephritis.

For Dialysis Patients, Skinny Is Dangerous

Posted: 30 Oct 2009 09:00 PM PDT

Dialysis patients with low body fat are at increased risk of death -- even compared to patients at the highest level of body fat percentage, according to new research.

Women With Chronic Kidney Disease More Likely Than Men To Go Undiagnosed

Posted: 30 Oct 2009 09:00 PM PDT

Woman are at particular risk of their primary care physicians delaying diagnosis of chronic kidney disease, according to a new article. The findings suggest that educating practitioners about CKD could increase the timely diagnosis of CKD, thereby leading to improvements in care to patients and savings in Medicare dollars.
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