Body

Invisible Nano-Fibers Conduct Electricity, Repel Dirt

Tiny plastic fibers could be the key to some diverse technologies in the future -- including self-cleaning surfaces, transparent electronics, and biomedical tools that manipulate strands of DNA.

Ohio State University researchers describe how they created surfaces that, seen with the eye, look as flat and transparent as a sheet of glass. But seen up close, the surfaces are actually carpeted with tiny fibers.

Therapeutic Value Of Meditation Unproven, Says Study

“There is an enormous amount of interest in using meditation as a form of therapy to cope with a variety of modern-day health problems, especially hypertension, stress and chronic pain, but the majority of evidence that seems to support this notion is anecdotal, or it comes from poor quality studies,” say Maria Ospina and Kenneth Bond, researchers at the University of Alberta/Capital Health Evidence-based Practice Center in Edmonton, Canada.

The Unknown Risks Of Animal Tissue Donation

A new article in The Journal of Law, Medicine and Ethics calls for a change in the regulations surrounding xenotransplantation, the transplanting of animal cells, tissues or organs into humans.

Although few xenotransplantation procedures have been done to this time, there appears to be a lack of awareness among potential xenotransplant patients about the risk of the procedures, and the required lifetime of infectious disease monitoring that come with it.

New Study Says Juries Got It Wrong 13 Percent Of The Time

Juries across the country make decisions every day on the fate of defendants, ideally leading to prison sentences that fit the crime for the guilty and release for the innocent. Yet a new Northwestern University study shows that juries in criminal cases many times are getting it wrong.

In a set of 271 cases from four areas, juries gave wrong verdicts in at least one out of eight cases, according to “Estimating the Accuracy of Jury Verdicts,” a paper by a Northwestern University statistician that is being published in the July issue of Journal of Empirical Legal Studies.

Sperm abnormalities seen in male lupus patients

The prognosis for systemic lupus erythematosus (SLE), an autoimmune disease that mainly affects women in their reproductive years, has improved recently, prompting a shift toward improving quality of life.

For men with SLE, concerns have been raised about their future fertility.

Old School Computing - People And The Semantic Web

USC computer scientist Kristina Lerman thinks she has found a new source of artificial intelligence computing power to solve difficult IT problems of information classification, reliability, and meaning - people.

She says that extracting 'metadata' about transactions -- who is talking to whom, who is listening, how conclusions are reached, and how they spread -- can help researchers answer currently refractory problems about documents: their accuracy and quality, their categorization, the relation of their embedded terminology.

The Best Males Have Less Successful Daughters

The strongest and fittest of a species might be expected to produce the best offspring, but this is not always the case, researchers at the University have found.

Studies of red deer suggest that the most successful males are more likely to produce less fertile daughters.

Male and female deer need different attributes to succeed. Genes which prove to be an advantage in fathers don't necessarily prove beneficial in daughters.

Support Your Local Mobile Company By Quitting Cigarettes

A ban on smoking in England may be good for more than just public health. It may be good for the phone company. A new survey by Sheffield Hallam University and, not surprisingly, Virgin Mobile says smokers will turn to texting to talk about it and even improve their social lives in the process.

Potential New Method For Drug Delivery - Hitchhike Nanoparticles On Red Blood Cells

Researchers at the University of California, Santa Barbara have discovered that attaching polymeric nanoparticles to the surface of red blood cells dramatically increases the in vivo lifetime of the nanoparticles. The research, published in the July 07 issue of Experimental Biology and Medicine, could offer applications for the delivery of drugs and circulating bioreactors.

Nifedipine Better Than Magnesium Sulfate For Pre-Term Labor, Says Study

The drug most commonly used to arrest preterm labor, magnesium sulfate, is more likely than another common treatment to cause mild to serious side effects in pregnant women, according to a study from researchers at Lucile Packard Children's Hospital and Stanford University School of Medicine. Their findings suggest that, since the effectiveness of the two drugs appears similar, physicians should consider side effects more strongly when choosing which drug to prescribe.

Getting to the root of plant growth

A £9.2m research centre at the University of Nottingham will break new ground in our understanding of plant growth and could lead to the development of drought-resistant crops for developing countries.

The Centre for Plant Integrative Biology (CPIB) will focus on cutting-edge research into plant biology — particularly the little-studied area of root growth, function and response to environmental cues.

Study confirms the importance of sexual fantasies

Scientists of the Department of Personality, Evaluation and Psychological Treatment of the University of Granada have studied how some psychological variables such as erotophilia (positive attitude towards sexuality), sexual fantasies and anxiety are related to sexual desire in human beings.

Which came first, colorful food or colorful sex?

The adaptive significance of the unique ability in many primates to distinguish red hues from green ones (i.e., trichromatic color vision) has always enticed debate among evolutionary biologists.

The conventional theory is that primates evolved trichromatic color vision to assist them in foraging, specifically by allowing them to detect red/orange food items from green leaf backgrounds.

Prozac, Paxil and Zoloft Could Lead To Increase Bone Loss

Two new studies suggest older men and women taking selective serotonin reuptake inhibitors, a class of antidepressants that includes Prozac, Paxil and Zoloft, are prone to increased bone loss.

The jointly released studies by scientists at Oregon Health & Science University, and in San Francisco, Minneapolis, San Diego and Pittsburgh, found that elderly men taking the so-called SSRIs had lower bone mineral density, and that elderly women taking the antidepressants had a higher rate of yearly bone loss.

Nanoparticles carry chemotherapy drug deeper into solid tumors

A new drug delivery method using nano-sized molecules to carry the chemotherapy drug doxorubicin to tumors improves the effectiveness of the drug in mice and increases their survival time, according to a study published online June 26 in the Journal of the National Cancer Institute.