Brightsurf Science News & Current Events

January 16, 2008
2 federal public health grants awarded to Weill Cornell Medical College
Two major federal grants have been awarded to public health faculty at Weill Cornell Medical College in New York City.

MESSENGER reveals Mercury in new detail
As MESSENGER approached Mercury on Jan. 14, the spacecraft's Narrow-Angle Camera on the Mercury Dual Imaging System instrument captured a view of the planet's rugged, cratered landscape illuminated obliquely by the Sun.

USC researchers identify mechanism that controls activation of stem cells during hair regeneration
Researchers at the University of Southern California have identified a novel cyclic signaling in the dermis that coordinates stem cell activity and regulates regeneration in large populations of hairs in animal models.

One-third of stunting and a quarter of deaths among under 3s in poor countries could be prevented
If existing maternal and child nutrition interventions were implemented in poor countries, cases of stunting among under 3s could be reduced by a third, and deaths by up to a quarter, according to new research being published today.

Cholesterol-lowering drugs may not prevent Alzheimer's disease
Contrary to some reports, taking statins, which are cholesterol-lowering drugs, offers no protection against Alzheimer's disease, according to research published in the Jan.

Computer learns dogspeak
Computer programs may be the most accurate tool for studying acoustic communications amongst animals, according to Csaba Molnar from Eoetvoes Lorand University in Hungary and his research team.

Mapping tool allows emergency management personnel to visually track resources
Tracking the location and availability of resources such as hospitals, transportation equipment and water during an emergency situation can be life-saving.

Vascular surgeons ask, what's next for carotid artery stenting?
procedure called carotid artery stenting has emerged as a minimally invasive alternative to surgery, called carotid endarterectomy, for patients with dangerous narrowing of the arteries supplying blood to the brain.

A new significance of LVD and angiogenic MVD is identified in human primary SCRC
A study led by Professor Xiang Du from Cancer Hospital, Fudan University, has investigated 132 cases with sporadic colorectal carcinoma and found that the detection of lymphatic vessel density and microvessel density at tumor borders may be useful in predicting metastasis and prognosis in patients with SCRC, and the co-accounting of LVD and MVD might be used as a prognostic factor of SCRC.

Government of Canada rescinds the designation of president of the CNSC, appoints interim president
The Government of Canada today rescinded the designation of Ms.

Study finds that blood test can gauge prostate cancer risk
New genomics research has found that a simple blood test can determine which men are likely to develop prostate cancer.

Nutrition has slipped through the gap
Nutrition is a desperately neglected aspect of maternal, newborn and child health.

New drug lets kids feel good in their skin
College student Maria Anichini no longer has to hide her skin under long sleeves and pants.

2007 was tied as Earth's second warmest year
Climatologists at the NASA Goddard Institute for Space Studies in New York City have found that 2007 tied with 1998 for Earth's second warmest year in a century.

GM, Coskata partnership builds on Oklahoma State University biofuels research
Biology based renewable energy company Coskata Inc. and automotive giant General Motors announced their cooperative plans to reduce fossil fuel consumption, thanks in part to Coskata's

LSUHSC dental school to be awarded top national honor
The School of Dentistry at LSU Health Sciences Center New Orleans has been selected as the inaugural academic dental institution recipient of the William J.

Rare lung disease cells indicate higher death risk
Large numbers of certain cells in the lungs of patients diagnosed with idiopathic pulmonary fibrosis may increase their chance of death, University of Cincinnati researchers have discovered.

UNC, Duke lead first statewide shaken baby prevention research project in US
Child abuse prevention experts from the University of North Carolina at Chapel Hill Injury Prevention Research Center and School of Medicine and Duke University Medical Center will undertake a $7 million statewide shaken baby prevention research project.

Ant parasite turns host into ripe red berry, biologists discover
Parasites occasionally change the behavior or looks of their host, but a nasty tropical nematode alters both, making its ant host's parasite-filled abdomen resemble a ripe red berry.

Selective reporting of antidepressant trials exaggerates drug effectiveness
Selective publication in reporting results of antidepressant trials exaggerates the effectiveness of the drugs, according to a report in the Jan.

Extended work hours should factor into return to job after injury
Rehabilitation specialists guiding injured workers back to full-time employment should factor unconventional work schedules into their assessments and planning, new research suggests.

How baby fish find a home
University of Miami researcher Claire Paris will use a groundbreaking observational tool, the OWNFOR (Orientation With No Frame Of Reference), a kite-like drifting device that allows researchers to detect and quantify the orientation of larval coral reef fish in the pelagic environment.

What are the essential characteristics of serum PG in Chinese?
From 1997 to 2002, a mass gastric cancer screening program was led by Prof.

Nutrition interventions could prevent a quarter of child deaths in poor communities
Implementation of existing maternal and child nutrition-related interventions could prevent 25 percent of all child deaths in the 36 countries with the highest burden of undernutrition.

The international nutrition system: Fragmented, dysfunctional and desperately in need of reform
The international nutrition system -- made up of international and donor organizations, academia, civil society and the private sector -- is fragmented and dysfunctional, and needs reform.

Survey shows US teens confident in their inventiveness; hands-on, project-based learning needed
American teens are confident they can invent solutions to some of the world's pressing challenges, such as protecting and restoring the natural environment, but more than half feel unprepared for careers in technology and engineering, the Lemelson-MIT Invention Index has found this year.

An emerging candidate for protecting patients from liver injury after abdomen surgery
Major abdomen surgery or intestine transplantation initiates gut ischemia and reperfusion.

Gene markers located for hereditary prostate cancer
Researchers at the Johns Hopkins Brady Urological Institute, Wake Forest University and the Karolinska Institute in Sweden have identified an array of gene markers for hereditary prostate cancer that, along with family history for the disease, appear to raise risk to more than nine times that of men without such markers.

Sense of personal control influences Latinas' decisions about sexual debut
A sense of personal control over sexual behaviors strongly influences Latina women's decisions of when to first engage in sex, report University of Chicago researchers in the Journal of Adolescent Health.

Hybrid school buses hit the road; Iowa State researchers test their performance
Iowa State University's Center for Transportation Research and Education helped the Nevada and Sigourney school districts put two of the country's first hybrid school buses on the road this month.

Marsupial lion tops African lion in fight to death
Pound for pound, Australia's extinct marsupial lion (Thylacoleo carnifex) would have made mince meat of today's African lion (Panthera leo) had the two big hyper-carnivores ever squared off in a fight to the death, according to an Australian scientist.

St. Jude defines eye cancer gene's role in retinal development
A genetic discovery led by scientists at St. Jude Children's Research Hospital helps answer a long-standing mystery about the eyes of vertebrates, and may translate into a deeper understanding of how genes coordinate the complex process of eye formation and how a rare pediatric eye cancer progresses.

Math models snowflakes
Three-dimensional snowflakes can now be grown in a computer using a program developed by mathematicians at UC Davis and the University of Wisconsin-Madison.

Attention: Extra-hepatic manifestation of hepatitis C virus infection
Hepatitis C virus is a major health problem worldwide, and more than 3 percent of the world's population is infected with HCV.

Which segments of the gastrointestinal tract does Salmonella enteritidis penetrate?
Salmonella enteritidis is one of the main causes of food-borne illness worldwide.

Lighting up the powerful global smoking lobby
Global public health efforts to reduce smoking are at odds with the interests of the tobacco industry.

80 percent of world's undernourished children live in just 20 countries
Eighty percent of the world's undernourished children live in just 20 countries, and intensified nutrition action in these countries can lead to achievement of the first Millennium Development Goal, and greatly increase the chances of achieving goals for child and maternal mortality.

Keeping young South Africans in school: A 'social vaccine' against AIDS
A study published today in the Journal of Epidemiology and Community Health suggests that secondary school attendance is linked to lower risk of HIV infection among young people in rural South Africa.

Study sheds important new light on inherited disorder causing iron overload
Research in today's New England Journal of Medicine shows hereditary hemochromatosis is much more common than previously thought and will spur more study to determine who is most likely to develop complications from the debilitating and potentially fatal disease, write two faculty members at the Saint Louis University School of Medicine.

759,000 children with asthma endure gaps in insurance every year
Every year, 759,000 children with asthma may be at risk of a major asthma attack while they have no health insurance.

Iridescence workshop promotes nature's nanotechnology
While nature's showiest subjects step out to promote reproductive success and survival with bright colors, flash and iridescence in feathers, scales, petals and wings, biologists, physicists, behaviorists and materials scientists will delve into what's behind all the bling at a workshop on

Harold Mooney and Peter Raven, winners of the BBVA Foundation Award for Conservation Biology
The juries of the BBVA Foundation Awards for Biodiversity Conservation have announced their respective decisions in this third edition of the scheme.

Researchers put the bite on mosquitoes
Few things sting like a mosquito's bite -- especially if that bite carries a disease such as malaria, yellow fever, Dengue fever or West Nile virus.

Gastric cancer survivors should be aware of osteoporosis
Dr. Jong-Inn Lee, an expert in gastric cancer surgery in Korea, found many surviving patients complained of back pain.

Indian medicinal plant Acanthus ilicifolius may combat liver cancer
Cancer chemoprevention is an active measure to limit/retard the progression and pathogenesis of malignancy.

Poor fetal growth/stunting in first 2 years of life leads to huge negative consquences later
Poor fetal growth or stunting in the first two years of life leads to irreversible damage, including shorter adult height, lower attained schooling, reduced adult income and decreased offspring birthweight for women.

What is the more suitable for early detection of low abundant lamivudine-resistant mutants?
Suitable methods are necessary for diagnosis of resistance in the clinical setting to detect low abundant lamivudine-resistant mutants in lamivudine treated patients as early as possible.

New research finds some wood floor finishes are a likely source of PCB exposure
A case study to be published in the online open access journal Environmental Health suggests that old wood floor finishes in some homes may be an overlooked source of exposure to the now banned environmental pollutants polychlorinated biphenyls.

A promising new approach to cadmium induced hepatoxicity: Cytoprotective effect of midkine
Cadmium is a very toxic substance which causes serious damage in the kidney, liver, heart and testes.

Island monkeys do not recognize big cat calls
Monkeys living on an island without big cat predators do not show any particular alarm when recorded tiger growls are played to them, according to research by a UC Davis graduate student.

Portable device quickly detects early Alzheimer's
Georgia Tech and Emory University researchers have developed a device that may allow patients to take a brief, inexpensive test that could be administered as part of a routine yearly checkup at a doctor's office to detect mild cognitive impairment -- often the earliest stage of Alzheimer's.

Bisexuality not a transitional phase among women, according to new research
Bisexuality in women appears to be a distinctive sexual orientation and not an experimental or transitional stage that some women adopt

How does insulin influence resistin?
Insulin suppressed resistin secretion during 3T3-L1 pre-adipocytes differentiation, which does not support a role for resistin in insulin resistance.

$13 million federal grant for research into vascular disease awarded to Weill Cornell
The National Heart, Lung, and Blood Institute has awarded another $13 million grant to the Center of Vascular Biology at Weill Cornell Medical College in New York City for biomedical research into vascular disease -- specifically atherosclerosis and thrombosis, which are major risk factors for coronary artery disease, heart attack and stroke.

How does Fu-Zheng-Jie-Du-Decoction act on PTEN expression in hepatocellular carcinoma?
Hepatocellular carcinoma is one of the major cancer killers. Traditional Chinese Medicine has been widely used as a combined therapy in treating the disease in China.

Toxoplasma infection increases risk of schizophrenia, study suggests
Findings from what is believed to be the largest comparison of blood samples collected from healthy individuals and people with schizophrenia suggest that infection with the common Toxoplasma gondii parasite, carried by cats and farm animals, may increase the risk of schizophrenia.

Hypnotist ready to kick cigarette butt
In his fifth and new self-published book Breathe, Freedom: Kicking the Crap Out of Cigarettes, Dr.

Scientists discover new method of observing interactions in nanoscale systems
Scientists have used new optical technologies to observe interactions in nanoscale systems that Heisenberg's uncertainty principle usually would prohibit, according to a study published Jan.

Solar energy technology licensed
Making solar energy cheaper and more efficient is the aim of a new licensing deal between the University of California, Davis, and Q1 NanoSystems.

Over a third of child deaths, 11 percent of global disease due to maternal and child undernutrition
More than one-third of child deaths and 11 percent of the total disease burden worldwide are due to maternal and child undernutrition.

Scientists discover a new player in innate immune response
All multicellular animals have an innate immune system: When bacteria, parasites or fungi invade the organism, small protein molecules are released that eliminate the attackers.

Evolution of human genome's 'guardian' gives people unique protections from DNA damage
Evolution has given humans unique protections through the p53 regulatory network -- so-called guardian of the genome -- against DNA damage that could cause cancer or genetic diseases, according to a study led by Cincinnati Children's Hospital Medical Center in the Jan.

Herons persist in Chicago wetlands despite exposure to banned chemicals
Herons nesting in the wetlands of southeast Chicago are still being exposed to chemicals banned in the US in the 1970s, a research team reports.

Weight gain induced by antipsychotic drugs can be avoided
A research team from Universite Laval's Faculty of Medicine and Robert-Giffard Hospital has demonstrated that weight gain induced by the use of antipsychotic drugs -- which in extreme cases can be as high as 30 kilos in only one month -- can be avoided through a specially designed weight control program.

New genus of self-destructive palm found in Madagascar
A gigantic palm that flowers itself to death and exists as part of an entirely unique genus has been discovered in Madagascar.

Ice clouds put Mars in the shade
Until now, Mars has generally been regarded as a desert world, where a visiting astronaut would be surprised to see clouds scudding across the orange sky.
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