Brightsurf Science News & Current Events

April 27, 2005
Herbal medicine may alter cell response to cancer therapeutic agents
Black cohosh, an herb widely used by breast cancer patients to alleviate hot flashes and other menopausal symptoms, may alter the way that cells respond to drugs commonly used to treat breast cancer, according to a Yale School of Medicine study.

Wisconsin researchers identify sleep gene
Zeroing in on the core cellular mechanisms of sleep, researchers at University of Wisconsin Medical School have identified for the first time a single gene mutation that has a powerful effect on the amount of time fruit flies sleep.

ASGE Foundation to hold first Crystal Awards Dinner
The American Society for Gastrointestinal Endoscopy (ASGE) and the ASGE Foundation will recognize 35 gastrointerologists who have constributed to the advancement of GI endoscopy at the first annual Crystal Awards Dinner to be held at 6:30 p.m., May 15, at the Art Institute of Chicago.

'Live fast, die young' true for forests too
Trees in the world's most productive forests -- forests that add the most new growth each year -- also tend to die young, according to a US Geological Survey (USGS) study published in a recent issue of the journal Ecology Letters.

Costs of medical institutional review boards' greater than previously estimated
Institutional review boards (IRBs), the committees that oversee protections for human research participants, often come with a higher than expected price tag, according to results of a study published in the April 28 edition of the New England Journal of Medicine.

Nestler elected to American Academy of Arts and Sciences
The American Academy of Arts and Sciences has elected Dr.

Police toy with 'less lethal' guns
New Scientist has learned that the US National Institute of Justice (NIJ) is funding research into three

Vacuum insulation panels
This new form of panel will provide between 5 and 7 times the insulation capacity over current technologies, with the added advantage that it does not require a modification of its thickness nor a reduction in the useful volume of the transport unit or storage element.

National Academies news: Many deaths still expected with earth-penetrating nuclear weapons
A nuclear weapon that is exploded underground can destroy a deeply buried bunker efficiently and requires significantly less power to do so than a nuclear weapon detonated on the surface would, says a new report from the National Academies' National Research Council.

UCSD medical researchers show protein's role in stopping bacterial-induced inflammation
In findings that could have implications for autoimmune disorders and drug-resistant bacterial infections, researchers at the University of California, San Diego (UCSD) School of Medicine have identified a key protein involved in the appropriate shut-down of inflammation following an immune response to invading pathogens.

Discovery of a 'molecular switch' could lead to new ways of treating infection, including MRSA
The discovery of a 'molecular switch' could lead to new ways of treating infections such as MRSA, and inflammatory diseases like arthritis.

Distracting visuals clutter TV screen; viewers less likely to retain content
In the past few years, television stations have begun to reformat their screen presentations to include scrolling screens, sports scores, stock prices and current weather news.

Patronizing behavior can negatively affect women employees' performance
The patronizing behavior of male bosses undermines the performance of female subordinates, according to a new study.

Seminar on EU/Asia-Pacific R&D collaboration
The third of a series of seminars on EU/Asia-Pacific science and technology collaboration titled

Actor-patients' requests for medications boost prescribing for depression
Researchers funded by the National Institute of Mental Health (NIMH), part of the National Institutes of Health, have found that requests from patients for medications have a

Respiratory syncytial virus poses a significant threat to elderly
Respiratory syncytial virus (RSV), commonly viewed as a cause of illness in infants and children, often affects the elderly and high-risk adults as much as influenza, a new study demonstrates.

Exclusive breastfeeding reduces risk of mother-to-child HIV transmission
A study by the Johns Hopkins Bloomberg School of Public Health, the University of Zimbabwe and Harare (Zimbabwe) City Health Department found that exclusive breastfeeding substantially reduces the transmission of HIV from mother to infant and infant death, compared with partial breastfeeding.

CyberWalk - unconstrained walking in virtual worlds
European project started for the development of a new platform for walking in virtual worlds.

Cassini captures swiss-cheese look of Saturn moon
An image of Saturn's small moon, Epimetheus, was captured by the Cassini spacecraft in the closest view ever taken of the pockmarked body.

UBC-U of S research offers hope for treatment of age-related blindness
Rheumatoid arthritis patients treated with anti-inflammatory drugs are 10 times less likely to develop age-related macular degeneration (AMD), the most common form of blindness in people over 55, researchers at the University of British Columbia and University of Saskatchewan have found.

Harvard scientists create high-speed integrated nanowire circuits
Chemists and engineers at Harvard University have made robust circuits from minuscule nanowires that align themselves on a chip of glass during low-temperature fabrication, creating rudimentary electronic devices that offer solid performance without high-temperature production or high-priced silicon.

Alaskan puzzles, monitoring provide insight about North Pacific salmon runs
The University of Washington Alaska Salmon Program, the world's longest-running effort to monitor salmon and their ecosystems, has received nearly $2.4 million from the Gordon and Betty Moore Foundation to expand its sampling scope and sophistication.

Researchers discover molecular mechanism that desensitizes us to cold
Mount Sinai School of Medicine researchers have discovered how the membrane protein that allows us to sense cold works and how this protein becomes desensitized so that one no longer feels the cold.

Guava and AHF Global Immunity bring low cost AIDS diagnosis to resource-limited countries
Guava Technologies and AHF Global Immunity, an international initiative of AIDS Healthcare Foundation, are partnering to increase access in resource-limited nations to affordable AIDS diagnosis and treatment monitoring.

NYU's Conley wins NSF's Waterman Award
New York University sociologist Dalton Conley, author of

Menopause and African-American women
A study of African-American women in menopause shows that while they experience many of the same symptoms as white women, they report more vasomotor symptoms such as dizziness and bloating.

AGU journal highlights - 27 April 2005
In this edition: Computer simulation produces El Nino-like climate cycles; Molten rock makes big earthquakes bigger; New observations of Yellowstone volcanic activity; Breaking the mantle plume mold; Ocean cycling depends on small salinity differences; Antarctic glaciers shrinking due to ice shelf collapse; Magnetic disconnection from the Sun; Resolving the motion of the Burmese arc.

OHSU study finds ginkgo beneficial for MS symptoms
Findings by Oregon Health & Science University scientists appear to back up what many multiple sclerosis sufferers have long thought: The herbal supplement ginkgo biloba helps reduce symptoms of the neurological disorder.

White House/VA conference on emerging technologies for disabilities
Proceedings from the

Children do well with shorter fast before surgery
Children facing surgery can be made more comfortable with little risk by allowing them to have certain liquids up to two hours before the operation, a new review of recent studies has found.

New guidelines recommend screening HIV-infected patients for kidney disease
The HIV Medicine Association has released guidelines for managing chronic kidney disease in patients living with HIV infection.

Chemical signatures for bioforensics
The scientific analysis of biological evidence isn't just determining what something is - it's also learning how and where it was developed.

'Surprising' findings reported about iron overload
UAB and international scientists studying iron-overload disorders have made the unexpected discovery, reported in today's issue of The New England Journal of Medicine, that Asians and Pacific Islanders have the highest levels of iron in their blood of all racial/ethnic groups who were screened.

VR headset spots concussion
A virtual-reality headset is being designed that can detect even mild concussion or early dementia in minutes.

Study of iron overload yields surprising results
Early results of the largest and most diverse screening study of a genetic condition that causes too much iron to build up in the body show that Asians and Pacific Islanders have the highest mean levels of iron in their blood of all ethnic groups involved, including African Americans, Caucasians, Hispanics, and Native Americans.

NYU's Dalton Conley is the first sociologist to win NSF's Waterman Award
When he was growing up in a New York City East Side neighborhood, Dalton Conley recognized the societal advantages of being a white male with middle-class values, even though his family was poor and his neighborhood was predominantly African-American and Latino.

How the environment could be damaging men's reproductive health
Two Scandinavian studies have provided further evidence that environmental factors could be affecting men's reproductive health.

Large-scale study identifies key stress factors facing new mums
Large-scale study of 861 new mums identifies the key stress factors experienced in the six weeks after giving birth.

Migration study finds that sweeping management changes are needed to protect Atlantic bluefin tuna
A team of marine scientists has mapped the undersea journeys of Atlantic bluefin tuna and concluded that tighter restrictions should be placed on commercial fishing to protect the feeding and breeding grounds of this top migratory predator -- one of the most commercially valuable fish in the sea.

Study finds moderate hypothermia a safe treatment for traumatic brain injury in kids
The trial showed that cooling has positive affects on children who suffered traumatic brain injury.

The World Congress on Cornelia de Lange Syndrome in Italy
The Pierfranco and Luisa Mariani NPO Foundation for child neurology is proud to announce that the world annual congress dedicated to the Cornelia de Lange Syndrome will be held in Italy for the first time from 16th to 19th June 2005 in the Fattoria La Principina Conference Centre at Principina Terra (Grosseto, Tuscany).

Substituting nurses for doctors results in high quality care, few savings
Many primary care responsibilities can be safely transferred from doctors to appropriately trained nurses, says a new review of evidence.

Programmable cells: Engineer turns bacteria into living computers
In a step toward making living cells function as if they were tiny computers, engineers at Princeton have programmed bacteria to communicate with each other and produce color-coded patterns.

Institute of Medicine news: Changes needed in WIC program
A new report from the Institute of Medicine of the National Academies proposes a number of changes to the WIC nutrition assistance program to encourage participants to consume more whole grains, fruits, and vegetables, as well as to promote breast-feeding, among other goals. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to