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Here is your customized PHYSorg.com Newsletter for August 15, 2010:
Spotlight Stories Headlines
- Confining light for use in nanophotonic devices- Researchers uncover step in brain events leading up to addiction
- Researchers discover genetic link between immune system, Parkinson's disease
- A heart beats to a different drummer (w/ Video)
- Preclinical inquiry into 1 mutation sheds light on addiction and a birth defect
- Predicting how nanoparticles will react in the human body
- Discovered gene causes Kabuki syndrome
- Evidence of new solar activity from observations of aurora in New Zealand
- Smile! Aerial images being used to enforce laws
- Study cites abundance of genetically modified canola crops
- US museum exhibit to focus on endangered plants
- Australia corals to light up cancer cure fight
- Trend continues with second hottest July on record
- Company behind magicJack to banish calling costs
- Drugs encased in nanoparticles travel to tumors on the surface of immune-system cells
Space & Earth news
Advanced military satellite launches into orbit
(AP) -- An Atlas 5 rocket carrying a national security communications satellite is in orbit after an early morning launch.
NASA's TRMM satellite maps flood potential as TD5's remnants keep soaking Louisiana, Mississippi
Tropical Depression Five (TD5) may not be a tropical depression anymore, but NASA's TRMM satellite has noticed that its remnant low pressure circulation is making for a very bad and wet Friday the 13th for residents from southeastern Louisiana east to the Florida panhandle.
BP well sealed, but relief well still needed to kill it: US official
BP's runaway well has been sealed, but US officials said Friday they are moving ahead with plans to make sure it's truly "killed" by pumping cement in through a relief well under the Gulf of Mexico.
Evidence of new solar activity from observations of aurora in New Zealand
Scientists from Boston University's Center for Space Physics (CSP) announced that they have sub-visual evidence of the onset of a new cycle of solar-terrestrial activity. The key results being reported deal with the fact that recent auroral displays at high latitudes (ones visible to the naked eye) were accompanied by far less luminous glows in the atmosphere at lower latitudes.
Trend continues with second hottest July on record
(AP) -- The Earth continues to feel the heat. Last month was the second warmest July on record, and so far 2010 remains on track to be the hottest year.
Technology news
Hong Kong film-makers aim to be first in 3D porn
Hong Kong director Christopher Sun arranges toy action models in front of a massive penis-shaped fountain, the easiest way to explain his intentions to the multilingual cast of what has been billed as the world's first 3D porn film.
India outsourcers angered by US job visa hike
India's flagship outsourcing industry reacted angrily Saturday to a new US law tightening security at the Mexico border with measures paid for by steep hikes in American work visa fees.
Last Afghan WikiLeaks out in 'couple of weeks'
WikiLeaks founder Julian Assange vowed Saturday to publish the last batch of secret documents on the Afghan war in "a couple of weeks", despite Pentagon pleas they would put further lives at risk.
Company behind magicJack to banish calling costs
(AP) -- The company behind the magicJack, the Internet phone gadget heavily advertised on television, has another trick up its sleeve: free phone calls from computers, smart phones and iPads.
Smile! Aerial images being used to enforce laws
(AP) -- On New York's Long Island, it's used to prevent drownings. In Greece, it's a tool to help solve a financial crisis. Municipalities update property assessment rolls and other government data with it. Some in law enforcement use it to supplement reconnaissance of crime suspects.
Medicine & Health news
Estrogen not associated with lung cancer incidence and mortality among postmenopausal women
Use of estrogen alone did not increase lung cancer mortality in postmenopausal women, according to a study published online August 13 in The Journal of the National Cancer Institute.
Technique to preserve fertility in young women may be unsafe for patients with leukemia
Although the use of ovarian tissue cryopreservation and transplantation has lead to 13 live births in women with lymphoma or solid tumors, this method of fertility preservation may be unsafe for patients with leukemia, according to a recent study published online in Blood, the journal of the American Society of Hematology. The method involves removing and freezing ovarian tissue before the patient undergoes aggressive chemotherapy and radiotherapy, and then reimplanting the tissue once the cancer has been brought under control. One major concern with leukemia patients is the risk that their frozen-thawed ovarian tissue might harbor malignant cells that could induce a recurrence of the disease after reimplantation.
South Dakota man dies after donating part of liver
(AP) -- A Colorado hospital said Friday that it has temporarily suspended live donor liver transplants while it investigates the death of a South Dakota man who donated part of his liver to his brother.
US agency approves 'five-day-after' contraceptive pill
A US regulatory agency on Friday approved an emergency contraceptive pill that can prevent pregnancy if taken up to five days after unprotected sex.
South Carolina to cover obesity surgery next year
(AP) -- Obese government workers in South Carolina can get stomach-shrinking surgery through the state health plan under a pilot program that starts in January.
Childhood abuse, adversity may shorten life, weaken immune response among the elderly
The emotional pains we suffer in childhood can lead to weakened immune systems later in life, according to a new study.
Childhood adversity worsens effects of stress, adding to current hardships, says new research
Children who experience trauma may enter a cycle of negative emotions — anxiety and depression — that could contribute to health problems later and precipitate an early death, a leading health psychologist said Saturday.
Primary care doctors get little information about chronic sinusitis
Facial pain. Nasal congestion. Postnasal drip. Fatigue. These are hallmark signs of chronic sinusitis, a swelling of tissue in the nasal and sinus cavity. The illness strikes millions of Americans each year and is one of the top five reasons patients visit their primary care doctor. Treating sinusitis is difficult in part because it's often not known if the cause is viral or bacterial. Unfortunately little information on the subject is available to internists says a new study by a Georgetown University Medical Center (GUMC) internist.
Sex between adolescents in romantic relationships is often harmless to their academics
The context in which adolescent sexual activity occurs can substantially moderate the negative relationship between sexual intercourse and education, according to research to be presented at the 105th Annual Meeting of the American Sociological Association.
Today's superheroes send wrong image to boys, say researchers
Watching superheroes beat up villains may not be the best image for boys to see if society wants to promote kinder, less stereotypical male behaviors, according to psychologists who spoke Sunday at the 118th Annual Convention of the American Psychological Association.
A lethal brain tumor's strength may be a weakness as well
Malignant gliomas are the most common subtype of primary brain tumor - and one of the deadliest. Even as doctors make steady progress treating other types of solid tumor cancers, from breast to prostate, the most aggressive form of malignant glioma, called a glioblastoma multiforme or GBM, has steadfastly defied advances in neurosurgery, radiation therapy and various conventional or novel drugs.
Promising results of gene therapy to treat diseases of the eye
The easy accessibility of the eye and the established link between specific genetic defects and ocular disorders offer hope for using gene therapy to provide long-term therapeutic benefit. Two reports in the current issue of Human Gene Therapy, a peer-reviewed journal published by Mary Ann Liebert, Inc., describe the effective replacement of a human gene to preserve photoreceptor function in a mouse model of severe retinal degeneration.
College student shakes up birth-order research
An Adelphi University student's research that found firstborns score higher on intelligence while younger siblings often get better grades drew some attention at a national psychologists' convention in San Diego this week. But for the researcher, Tiffany Frank, 26, it was personal.
Discovered gene causes Kabuki syndrome
Using a new, rapid and less expensive DNA sequencing strategy, scientists have discovered genetic alterations that account for most cases of Kabuki syndrome, a rare disorder that causes multiple birth defects and mental retardation. Instead of sequencing the entire human genome, the new approach sequences just the exome, the 1-2 percent of the human genome that contains protein-coding genes.
Preclinical inquiry into 1 mutation sheds light on addiction and a birth defect
When a certain protein is mutated or missing, symptoms of the neurodevelopmental disorder Rett syndrome arise, causing a gradual loss of brain function during early development.
Researchers discover genetic link between immune system, Parkinson's disease
A team of researchers has discovered new evidence that Parkinson's disease may have an infectious or autoimmune origin. "Common genetic variation in the HLA region is associated with late-onset sporadic Parkinson's disease" appears online in Nature Genetics.
Researchers uncover step in brain events leading up to addiction
A regulatory protein best known for its role in a rare genetic brain disorder also may play a critical role in cocaine addiction, according to a recent study in rats, funded by the National Institute on Drug Abuse (NIDA), a component of the National Institutes of Health. The study was published today in the journal Nature Neuroscience.
Drugs encased in nanoparticles travel to tumors on the surface of immune-system cells
Clinical trials using patients' own immune cells to target tumors have yielded promising results. However, this approach usually works only if the patients also receive large doses of drugs designed to help immune cells multiply rapidly, and those drugs have life-threatening side effects.
Biology news
Australia corals to light up cancer cure fight
Australian scientists have discovered a cluster of brilliant shallow-water corals that could help in the search for anti-cancer drugs and to understand global warming, a researcher said Saturday.
US museum exhibit to focus on endangered plants
The Smithsonian's Museum of Natural History on Saturday opens an exhibit of pictures endangered, threatened and extinct plants from around the world, officials said.
Study cites abundance of genetically modified canola crops
Genetic engineering has been hailed as a tool to produce crops that are left unharmed by weed-killing pesticides and that are more productive than their forebears. But critics have worried that modified plants might take over land used by native species and that increasingly hardy "superweeds" may develop. A new study supports some of these fears, detailing an abundance of genetically modified canola crops found outside cultivation in North Dakota.
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