Brightsurf Science News & Current Events

May 21, 2013
Poliovirus vaccine trial shows early promise for recurrent glioblastoma
An attack on glioblastoma brain tumor cells that uses a modified poliovirus is showing encouraging results in an early study to establish the proper dose level, researchers at Duke Cancer Institute report.

Iodine deficiency during pregnancy may adversely affect children's mental development
A study of around 1,000 UK mothers and their children, published in The Lancet, has revealed that iodine deficiency in pregnancy may have an adverse effect on children's mental development.

Origins of human culture linked to rapid climate change
Rapid climate change during the Middle Stone Age, between 80,000 and 40,000 years ago, sparked surges in cultural innovation in early modern human populations, according to new research.

H. pylori, smoking trends, and gastric cancer in US men
Trends in Helicobacter pylori and smoking explain a significant proportion of the decline of intestinal-type noncardia gastric adenocarcinoma incidence in US men between 1978 and 2008, and are estimated to continue to contribute to further declines between 2008 and 2040.

Founding donor doubles his gift to Harvard's Wyss Institute for Biologically Inspired Engineering
The Wyss Institute for Biologically Inspired Engineering at Harvard University announced today that Hansjorrg Wyss, the entrepreneur and philanthropist who enabled the Institute's creation in 2009 with a $125 million gift, has donated a second $125 million gift to the University to further advance the Institute's pioneering work.

Solar and lithium ion car race winners announced
Ninety-seven teams from 28 Colorado schools participated in today's car competitions hosted by the US Department of Energy's National Renewable Energy Laboratory.

Insight into the dazzling impact of insulin in cells
Australian scientists have charted the path of insulin action in cells in precise detail like never before.

New tumor-killer shows great promise in suppressing cancers
Scientists from Nanyang Technological University and Lund University, Sweden, have bioengineered a novel molecule which has been proven to successfully kill tumor cells.

Surgery on adenoid, tonsils improves outcomes in children with obstructive sleep apnea
Children with obstructive sleep apnea who had a common surgery to remove their adenoids and tonsils showed notable improvements in behavior, quality of life and other symptoms compared to those treated with

Low radiation scans help identify cancer in earliest stages
A study of veterans at high risk for developing lung cancer shows that low-dose computed tomography (LDCT) can be highly effective in helping clinicians spot tiny lung nodules which, in a small number of patients, may indicate the earliest stages of the disease.

Study finds vitamin C can kill drug-resistant TB
In a striking, unexpected discovery, researchers at Albert Einstein College of Medicine of Yeshiva University have determined that vitamin C kills drug-resistant tuberculosis bacteria in laboratory culture.

Integrating mental health care into HIV care
The integration of mental health interventions into HIV prevention and treatment platforms can reduce the opportunity costs of care and improve treatment outcomes, argues a new Policy Forum article published in this week's PLOS Medicine.

£1 million project to produce safer oxygen
A University of Huddersfield professor is to collaborate in a £1 million project which aims to unlock the potential of oxygen.

Teens exposed to schoolmate's death by suicide much more likely to consider or attempt suicide
Youth who had a schoolmate die by suicide are significantly more likely to consider or attempt suicide, according to a study in published in Canadian Medical Association Journal.

Treatment with antidepressant results in lower rate of mental stress-induced cardiac ischemia
Among patients with stable coronary heart disease and mental stress-induced myocardial ischemia (MSIMI), 6 weeks of treatment with the antidepressant escitalopram, compared with placebo, resulted in a lower rate of MSIMI, according to a study in the May 22/29 issue of JAMA.

Researchers find genetic risk factor for pulmonary fibrosis
A paper recently published in the New England Journal of Medicine and co-written by physicians and scientists at the University of Colorado School of Medicine finds that an important genetic risk factor for pulmonary fibrosis can be used to identify individuals at risk for this deadly lung disease.

Treatment with A1-PI slows the progression of emphysema in Alpha-1 antitrypsin deficiency
Treatment with an Alpha-1 proteinase inhibitor, a naturally occurring protein that protects lung tissue from breakdown and protects the lung's elasticity, is effective in slowing the progression of emphysema in patients with Alpha-1 antitrypsin deficiency, a life-threatening genetic disorder, according to a new study presented at the 2013 American Thoracic Society International Conference.

Climate change and wildfire
Concerns continue to grow about the effects of climate change on fire.

Child maltreatment increases risk of adult obesity
Children who have suffered maltreatment are 36 percent more likely to be obese in adulthood compared to non-maltreated children, according to a new study by King's College London.

Army Ground Combat Systems adopts Sandia tool for choosing future warfighting vehicles
Sandia National Laboratories, working closely with the Army and other contractors, has developed key components of a software tool to help the Program Executive Office Ground Combat Systems analyze countless what-if scenarios that can be manipulated as technology advances and the global environment, the federal budget or other factors change.

Iowa VP for Research addresses next-generation supercomputers at congressional hearing
Daniel Reed, the University of Iowa's vice president for research and economic development, will urge congressional lawmakers to support exascale computing, the next-generation of supercomputers designed to tackle complex societal questions, from climate change to the human mind.

Book explores place-based conservation as framework
The concept of

New multi-million dollar research center aims to solve the mystery of premature birth
The March of Dimes and its partners will launch a multi-million dollar research effort in Ohio to find the causes of premature birth.

21st European Biomass Conference and Exhibition
The European Biomass Conference and Exhibition represents one of the key events in Europe and worldwide for companies and professionals operating at the top end of the biomass and bioenergy sector.

Study shows low rate of late lumen loss with bioresorbable DESolve device
The DESolve bioresorbable coronary scaffold system achieves good efficacy and safety with low rates of late lumen loss and major coronary adverse events at six months, show first results from the pivotal DESolve Nx trial reported at EuroPCR 2013 today.

Challenges encountered in surgical management of spine trauma in morbidly obese patients
Physicians in Australia describe the logistic, medical, and societal challenges faced in treating spine trauma in morbidly obese patients.

Leuven Centre for Global Governance Studies leads FP7 project on EU human rights policy
The Leuven Centre for Global Governance Studies at KU Leuven is coordinating a major, four-year, FP7-funded project on the European Union's internal and external human rights policies.

Encouraging signs for bee biodiversity
Declines in the biodiversity of pollinating insects and wild plants have slowed in recent years, according to a new study.

Early use of tracheostomy for mechanically ventilated patients not associated with improved survival
For critically ill patients receiving mechanical ventilation, early tracheostomy (within the first 4 days after admission) was not associated with an improvement in the risk of death within 30 days compared to patients who received tracheostomy placement after 10 days, according to a study in the May 22/29 issue of JAMA.

U-M Water Center awards $570K in Great Lakes restoration grants
The new University of Michigan Water Center today awarded 12 research grants, totaling nearly $570,000, to support Great Lakes restoration and protection efforts.

Common food supplement fights degenerative brain disorders
Widely available in pharmacies and health stores, phosphatidylserine is a natural food supplement produced from beef, oysters, and soy.

Aggressive behavior linked specifically to secondhand smoke exposure in childhood
Children who are exposed to secondhand smoke in early childhood are more likely to grow up to physically aggressive and antisocial, regardless of whether they were exposed during pregnancy or their parents have a history of being antisocial, according to Linda Pagani and Caroline Fitzpatrick of the University of Montreal and its affiliated CHU Sainte-Justine hospital.

Antidepressant reduces stress-induced heart condition
A drug commonly used to treat depression and anxiety may improve a stress-related heart condition in people with stable coronary heart disease, according to researchers at Duke Medicine.

Researchers find genetic tie to improved survival time for pulmonary fibrosis
Research into genetic features of pulmonary fibrosis by physicians and scientists at the University of Colorado School of Medicine may lead to improved treatment of this deadly lung disease, according to a paper published online by JAMA.

Doctors prescribe more analgesics to women than to men just for being female
Regardless of pain, social class or age, a woman is more likely to be prescribed pain-relieving drugs.

'Doctor shopping' by obese patients negatively affects health
Overweight and obese patients are significantly more likely than their normal-weight counterparts to repeatedly switch primary care doctors, a practice that disrupts continuity of care and leads to more emergency room visits, new Johns Hopkins research suggests.

Tonsil surgery improves some behaviors in children with sleep apnea syndrome
Children with sleep apnea syndrome who have their tonsils and adenoids removed sleep better, are less restless and impulsive, and report a generally better quality of life, finds a new study funded by the National Institutes of Health.

New method for producing clean hydrogen
Duke University engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications.

Dr. Shayna Rosenbaum awarded the Canadian Association for Neuroscience Young Investigator Award
The Canadian Association for Neuroscience is proud to announce Dr.

Shorter duration steroid therapy may offer similar effectiveness in reducing COPD exacerbations
Among patients with acute exacerbations of chronic obstructive pulmonary disease requiring hospital admission, a 5-day glucocorticoid treatment course was non-inferior (not worse than) to a 14-day course with regard to re-exacerbation during 6 months of follow-up, according to a study published online by JAMA.

Minus environment, patterns still emerge
Random mutations and genetic drift, rather than design principles, may explain the emergence of regulatory network properties in E. coli.

Going green: Nation equipped to grow serious amounts of pond scum for fuel
A new analysis shows that the nation's land and water resources could likely support the growth of enough algae to produce up to 25 billion gallons of algae-based fuel a year in the United States, one-twelfth of the country's yearly needs.

Satellites see storm system that created Moore, Okla., tornado
On May 20, 2013, NASA and NOAA satellites observed the system that generated severe weather in the south central United States and spawned the Moore, Okla., tornado.

Genetic variation among patients with pulmonary fibrosis associated with improved survival
Variation in the gene MUC5B among patients with idiopathic pulmonary fibrosis was associated with improved survival, according to a study published online by JAMA.

Asthma symptoms impair sleep quality and school performance in children
The negative effects of poorly controlled asthma symptoms on sleep quality and academic performance in urban schoolchildren has been confirmed in a new study.

Finding a family for a pair of orphan receptors in the brain
Researchers at Emory University have identified a protein that stimulates a pair of

Estimates reveal low population immunity to new bird flu virus H7N9 in humans
The level of immunity to the recently circulating H7N9 influenza virus in an urban and rural population in Vietnam is very low, according to the first population level study to examine human immunity to the virus, which was previously only found in birds.

Home schooling: An option being discussed
Dr. Madalen Goiria of the UPV/EHU-University of the Basque Country has produced a thesis in which she analyses the juridical situation of home schooling, a social reality that lacks legal regulation in the Spanish State.

Mayo Clinic: How gold nanoparticles can help fight ovarian cancer
Positively charged gold nanoparticles are usually toxic to cells, but cancer cells somehow manage to avoid nanoparticle toxicity.

Life expectancy gap widens between those with mental illness and general population
The gap between life expectancy in patients with a mental illness and the general population has widened since 1985 and efforts to reduce this gap should focus on improving physical health, suggest researchers in a paper published today on

Waiting for a sign? Researchers find potential brain 'switch' for new behavior
You're standing near an airport luggage carousel and your bag emerges on the conveyor belt, prompting you to spring into action.

NSF and SRC to fund research to create failure-resistant systems
Leaders of the National Science Foundation and the Semiconductor Research Corporation, the world's leading university-research consortium for semiconductors and related technologies, today announced 18 new projects funded through a joint initiative to address research challenges in the design of failure-resistant circuits and systems.

Patented system bolsters security of information stored on electronic devices
An ASU computer scientist has patented a system to provide stronger security for personal information stored digitally -- including on mobile devices.

Research at the cutting edge of knowledge
The Brazilian funding agency for scientific and technological research São Paulo Research Foundation, FAPESP, based in the state of São Paulo, announced an investment estimated in US$680 million to support 17 Research, Innovation and Dissemination Centers for a period of up to eleven years.

JPIDS: Releases consensus statement on research definitions for drug-resistant TB in children
The Journal of the Pediatric Infectious Diseases Society today released its June issue, which includes a consensus statement of the global Sentinel Project on Pediatric Drug-Resistant Tuberculosis.

The tea party and the politics of paranoia
Tea party members claim the movement reflects basic American conservative principles such as limited government and fiscal responsibility.

Post-approval TAVI registry shows high rates of device success at 1 year
One-year results from SOURCE XT -- one of the largest, post-approval transcatheter aortic valve implantation (TAVI) registries to-date -- reported today at EuroPCR 2013 show good clinical outcomes in routine clinical practice, with high rates of device success for all access approaches, valve sizes and delivery systems.

Biomarkers discovered for inflammatory bowel disease
Using the Department of Defense Serum Repository, University of Cincinnati researchers have identified a number of biomarkers for inflammatory bowel disease, which could help with earlier diagnosis and intervention in those who have not yet shown symptoms.

EMBO announces 52 new members for 2013
EMBO announced today that 52 outstanding researchers in the life sciences were newly elected to its membership.

Small cancer risk following CT scans in childhood and adolescence confirmed
Young people who undergo CT scans are 24 percent more likely to develop cancer compared with those who do not, a study published today on suggests.

Novel RNA-based classification system for colorectal cancer
A novel transcriptome-based classification of colon cancer that improves the current disease stratification based on clinicopathological variables and common DNA markers is presented in a study published in PLOS Medicine this week.

Decisions to forgo life support may depend heavily on the ICU where patients are treated
The decision to limit life support in patients in the intensive care unit (ICU) appears to be significantly influenced by physician practices and/or the culture of the hospital, suggests new findings from researchers at the Perelman School of Medicine at the University of Pennsylvania presented at the American Thoracic Society International Conference on May 21.

Most elite athletes believe doping substances are effective in improving performance
A study published in the prestigious journal

Small increase in cancer risk following CT scans in childhood and adolescence
A study of more than 600,000 Australians has found people are at slightly greater risk of cancer after having a CT scan.

Genetic marker associated with risk for pulmonary fibrosis
New research from Brigham and Women's Hospital finds that a genetic risk factor for pulmonary fibrosis, an uncommon but deadly lung disease, may be effective in identifying individuals at risk for this disease.

Study looks at risk factors for rupture or bleeding of arachnoid cysts in children
Arachnoid cysts are a common type of brain lesion that is usually harmless, but with a risk of rupture or bleeding.

ESHRE 29th annual meeting: July 7-10, 2013
The annual meeting of ESHRE is now the world's leading event in reproductive medicine.

Drugs found to both prevent and treat Alzheimer's disease in mice
Researchers at USC have found that a class of pharmaceuticals can both prevent and treat Alzheimer's disease in mice.

NYU's Movshon receives Lashley Award for his research on the neuroscience of vision
The American Philosophical Society has awarded New York University neuroscientist J.

Conservationists release manual on protecting great apes in forest concessions
A new report from the International Union for Conservation of Nature highlights the plight of great apes in the forest concessions of Central Africa and recommends actions to improve protection for gorillas and chimpanzees in these mixed-used landscapes, according to authors from the Wildlife Conservation Society, WWF, IUCN, Lincoln Park Zoo and Washington University.

Monoclonal antibody appears effective and safe in asthma Phase IIa trial
A novel approach to obstructing the runaway inflammatory response implicated in some types of asthma has shown promise in a Phase IIa clinical trial, according to US researchers.

Delayed transfer to the ICU increases risk of death in hospital patients
Delayed transfer to the intensive care unit in hospitalized patients significantly increases the risk of dying in the hospital, according to a new study from researchers in Chicago.

The pirate ant: A new species from the Philippines with a bizarre pigmentation pattern
Scientists discovered and described a bizarre species of pirate ant.

Antibiotic therapy appears beneficial for patients with COPD
Extended use of a common antibiotic may prolong the time between hospitalizations for patients suffering from chronic obstructive pulmonary disease, according to a post-hoc analysis of a multicenter study which compared the hospitalization rates of patients treated with a 12-month course of azithromycin to the rates of those treated with placebo.

Exercise levels may predict hospitalizations in COPD population
Clinical measurement of physical activity appears to be an independent predictor of whether or not patients with chronic obstructive pulmonary disease (COPD) will end up being hospitalized, according to a new study conducted by researchers in Connecticut.

Changing cancer's environment to halt its spread
By studying the roles two proteins, thrombospondin-1 and prosaposin, play in discouraging cancer metastasis, a trans-Atlantic research team has identified a five-amino acid fragment of prosaposin that significantly reduces metastatic spread in mouse models of prostate, breast and lung cancer.

Dietary advice on added sugar is damaging our health, warns heart expert
Dietary advice on added sugar is damaging our health, warns a cardiologist on today.

UCLA life scientists present new insights on climate change and species interactions
UCLA scientists provide important new details of how climate change will affect species interactions.

Evaluating a new way to open clogged arteries
A new study from MIT analyzes the potential usefulness of a new treatment that combines the benefits of angioplasty balloons and drug-releasing stents, but may pose fewer risks.

Global recommendations on child medicine
Transparent information on the evidence supporting global recommendations on paediatric medicines should be easily accessible in order to help policy makers decides on what drugs to include in their national drug lists, according to international experts from Ghana and the UK writing in this week's PLOS Medicine.

Allosaurus fed more like a falcon than a crocodile, new study finds
The mighty T. rex may have thrashed its massive head from side to side to dismember prey, but a new study shows that its smaller cousin Allosaurus was a more dexterous hunter and tugged at prey more like a modern-day falcon.

Gates Fellowship addresses parasite infection in developing world
Washington University in St. Louis announced today that it is a Grand Challenges Explorations winner, an initiative funded by the Bill and Melinda Gates Foundation.

Early removal of adenoids and tonsils can help pediatric sleep apnea symptoms
A study led by Brigham and Women's Hospital finds early removal of adenoids and tonsils can improve behavior, sleep apnea symptoms and quality of life in children with sleep apnea.

New search engine finds rare diagnoses
Doctors are trained to think

Single-cell transfection tool enables added control for biological studies
Northwestern researchers have developed a novel tool for single-cell transfection, in which they deliver molecules into targeted cells through temporary nanopores in the cell membrane created by a localized electric field.

Glaucoma drug can cause droopy eyelids
Prostaglandin analogues (PGAs) are often the first line of treatment for people with glaucoma.

MU researchers develop radioactive nanoparticles that target cancer cells
Researchers at the University of Missouri have found a way to create radioactive nanoparticles that target lymphoma tumor cells wherever they may be in the body.

Genetic predictors of postpartum depression uncovered by Hopkins researchers
Johns Hopkins researchers say they have discovered specific chemical alterations in two genes that, when present during pregnancy, reliably predict whether a woman will develop postpartum depression.

Building a better team -- on Mars
Sometime in the next quarter-century, NASA plans to send the first humans to Mars, a mission that will push the boundaries of teamwork for a handful of astronauts who will spend as long as three years together in a tiny capsule.

Bird's playlist could signal mental strengths and weaknesses
Having the biggest playlist doesn't make a male songbird the brainiest of the bunch, a new study shows.

Small but speedy: Short plants live in the evolutionary fast lane
Biologists have known for a long time that some creatures evolve more quickly than others.

People on higher incomes are happier with new knees
Knee replacement surgery is a very common procedure. However, it does not always resolve function or pain in all the recipients of new knees.

Rice unveils method for tailoring optical processors
Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of a different color.

Failure to use linked health records may lead to biased disease estimates
Failure to use linked electronic health records may lead to biased estimates of heart attack incidence and outcome, warn researchers in a paper published on today.

Effort to achieve more energy-efficient computing earns science foundation's support
An ASU computer scientist's work to develop more energy-efficient computing systems earns support from Science Foundation Arizona.

'Whodunnit' of Irish potato famine solved
An international team of scientists reveals that a unique strain of potato blight they call HERB-1 triggered the Irish potato famine of the mid-19th century.

Warning images for cigarette packs proposed by Europe do not make enough emotional impact
Not only are some of the images not perceived as negative -- people actually see them as positive.

Inflammation is associated with depression in COPD patients
Depression is common in patients with chronic obstructive pulmonary disease (COPD) and has been linked with disease severity and impaired quality of life.

Race and gender influence diagnosis of COPD
African-Americans are less likely than whites and women are more likely than men to have had a prior diagnosis of chronic obstructive pulmonary disease regardless of their current disease severity, according to a new study.

Sexual function in older adults with thoracolumbar–pelvic instrumentation
Surgeons investigated sexual function in 62 patients, 50 years and older, who had received extensive spinal-pelvic instrumentation for spinal deformity at the University of Virginia Health Center.

Enrichment therapy effective among children with autism, UCI study finds
Children with autism showed significant improvement after six months of simple sensory exercises at home using everyday items such as scents, spoons and sponges, according to UC Irvine neurobiologists.

Study led by GW professor provides better understanding of water's freezing behavior at nanoscale
The results of a new study led by George Washington University professor Tianshu Li provide direct computational evidence that nucleation of ice in small droplets is strongly size-dependent, an important conclusion in understanding water's behavior at the nanoscale.

Bacterium uses natural 'thermometer' to trigger diarrheal disease, scientists find
How does the bacterium Shigella -- the cause of a deadly diarrheal disease -- detect that it's in a human host?

Registry questions superiority of bivalirudin over heparin
Results from a large observational study reported at EuroPCR 2013 today question whether bivalirudin is superior to heparin in the absence of GPIIb/IIIa blockade, showing similar 30-day mortality in patients with non-ST segment elevation acute coronary syndromes undergoing percutaneous coronary intervention.

Racial disparities in the surgical management of non-small cell lung cancer
The surgical management of non-small cell lung cancer in US hospitals varies widely depending on the race of the patient, according to a new study.

Save the date: American Chemical Society National Meeting, Sept. 8-12, 2013, in Indianapolis
The American Chemical Society, the world's largest scientific society, invites news media coverage of its 246th National Meeting & Exposition, September 8-12, 2013, in Indianapolis, Ind.

Better behavior after tonsil/adenoid surgery for kids with sleep breathing trouble?
Children with obstructive sleep apnea who had a common surgery to remove their tonsils and adenoids showed notable improvements in behavior, quality of life and other symptoms compared to those treated with

Genetic risk for obesity found in many Mexican young adults
As many as 35 percent of Mexican young adults may have a genetic predisposition for obesity, said a University of Illinois scientist who conducted a study at the Universidad Autonoma de San Luis Potosi.

Keeping stem cells strong
A team of researchers led by biologists at the California Institute of Technology has found that, in mouse models, the molecule microRNA-146a acts as a critical regulator and protector of blood-forming stem cells (called hematopoietic stem cells, or HSCs) during chronic inflammation, suggesting that a deficiency of miR-146a may be one important cause of blood cancers and bone marrow failure.

Do men's and women's hearts burn fuel differently?
Gender differences in the heart's metabolic response to stress may shed light on heart disease.

Resistance to last-line antibiotic makes bacteria resistant to immune system
Bacteria resistant to the antibiotic colistin are also commonly resistant to antimicrobial substances made by the human body, according to a study in mBio®, the online open-access journal of the American Society for Microbiology.

New penguin book features beloved birds and conservation threats
A new book on the world's penguins highlights both the diversity of these endearing, flightless birds as well as the many threats faced by these species, according to the Wildlife Conservation Society and the University of Washington.

Fueling fitness on the final frontier
Think keeping in shape is an uphill battle? Try staying fit in space, where living quarters are cramped and prolonged weightlessness withers muscle and bone.

Data shows long-term benefit of TMS in patients with depression using NeuroStar TMS therapy system
New data released today at the annual meeting of the American Psychiatric Association show that the NeuroStar TMS Therapy System® induced statistically and clinically meaningful response and remission in patients with Major Depressive Disorder during the acute phase of therapy, which were maintained through one year of treatment.

Whirlpools on the nanoscale could multiply magnetic memory
Research at Lawrence Berkeley National Laboratory's Advanced Light Source promises four-bit magnetic cells instead of the two-bit magnetic domains of standard magnetic memories.

New blood-thinner measures may cut medication errors
New guidelines have been developed by a panel of health care experts to ensure the safe and effective use of blood thinners.

UCI chemists devise inexpensive, accurate way to detect prostate cancer
Early screening for prostate cancer could become as easy for men as personal pregnancy testing is for women, thanks to UC Irvine research published today in the Journal of the American Chemical Society.

Reducing caloric intake delays nerve cell loss
Activating an enzyme known to play a role in the anti-aging benefits of calorie restriction delays the loss of brain cells and preserves cognitive function in mice, according to a study published in the May 22 issue of The Journal of Neuroscience.

Study shows COPD is associated with significant and persistent pain
Chronic obstructive pulmonary disease is primarily associated with the respiratory symptoms that are its hallmark, but in fact, patients who struggle with the disease also experience significant amounts of chronic pain.

Bacterial spare parts filter antibiotic residue from groundwater
Researchers at University of Cincinnati have developed and tested a solar-powered nano filter that is able to remove harmful carcinogens and antibiotics from water sources -- lakes and rivers -- at a significantly higher rate than the currently used filtering technology made of activated carbon.

UofL scientists uncover how grapefruits provide a secret weapon in medical drug delivery
University of Louisville researchers have uncovered how to create nanoparticles using natural lipids derived from grapefruit, and have discovered how to use them as drug delivery vehicles.

Biodegradable stent proves non-inferior to drug-eluting stent
The Orsiro stent, which is a novel stent platform eluting sirolimus from a biodegradable polymer, demonstrated non-inferiority to the Xience Prime everolimus-eluting stent for the primary angiographic endpoint of in-stent late lumen loss at nine months in the results of an imaging substudy reported at EuroPCR 2013 today.

Early-life traffic-related air pollution exposure linked to hyperactivity
Early-life exposure to traffic-related air pollution was significantly associated with higher hyperactivity scores at age 7, according to new research from the University of Cincinnati and Cincinnati Children's Hospital Medical Center.

Comprehensive analysis of impact spherules supports theory of cosmic impact 12,800 years ago
About 12,800 years ago when the Earth was warming and emerging from the last ice age, a dramatic and anomalous event occurred that abruptly reversed climatic conditions back to near-glacial state.

14 closely related crocodiles existed around 5 million years ago
14 species of crocodile lived in South America around 5 million years ago, at least seven of which populated the coastal areas of the Urumaco River in Venezuela at the same time. 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