Grape seed extract kills head and neck cancer cells, leaves healthy cells unharmed

Nearly 12,000 people will die of head and neck cancer in the United States this year and worldwide cases will exceed half a million.

Discovery of new vaccine approach for treatment of cancer

Scientists in Trinity College Dublin, Ireland, have developed a new vaccine to treat cancer at the pre-clinical level.

Diagnostic brain tumor test could revolutionize care of patients

Researchers at UT Southwestern Medical Center have developed what they believe to be the first clinical application of a new imaging technique to diagnose brain tumors.

Physician's Weight May Influence Obesity Diagnosis and Care

A patient's body mass index (BMI) may not be the only factor at play when a physician diagnoses a patient as obese. According to a new study led by researchers at the Johns Hopkins Bloomberg School of Public Health, the diagnosis could also depend on the weight of your physician.

Researchers Show How New Viruses Evolve, and in Some Cases, Become Deadly

Researchers at Michigan State University (MSU) have demonstrated how a new virus evolves, shedding light on how easy it can be for diseases to gain dangerous mutations. The findings appear in the current issue of the journal Science.

Life beyond Earth? Underwater caves in Bahamas could give clues, says Texas A&M marine expert

Discoveries made in some underwater caves by Texas &M University at Galveston researchers in the Bahamas could provide clues about how ocean life formed on Earth millions of years ago, and perhaps give hints of what types of marine life could be found on distant planets and moons.

Multiple births lead to weight gain and other problems for mouse moms and male offspring

Women have long bemoaned the fact that as they have more children, their weight gain from pregnancy becomes more difficult to lose.

Supermaterial goes superpermeable

Graphene is one of the wonders of the science world, with the potential to create foldaway mobile phones, wallpaper-thin lighting panels and the next generation of aircraft.

Scientists create new atomic X-ray laser

Lab scientists and international collaborators have created the shortest, purest X-ray laser pulses ever achieved, fulfilling a 45-year-old prediction and ultimately opening the door to new medicines, devices and materials.

Does antimatter weigh more than matter?

Does antimatter behave differently in gravity than matter? Physicists at the University of California, Riverside have set out to determine the answer. Should they find it, it could explain why the universe seems to have no antimatter and why it is expanding at an ever increasing rate.

Berkeley Lab Researchers Discover a Rotational Motion of Cells that Plays a Critical Role in Their Normal Development

In a study that holds major implications for breast cancer research as well as basic cell biology, scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered a rotational motion that plays a critical role in the ability of breast cells to form the spherical structures in the mammary gland known as acini.

Catalyzing new uses for diesel by-products

A new catalytic process discovered at Cardiff University could unleash a range of useful new by-products from diesel fuel production.

Survey suggests family history of psychiatric disorders shapes intellectual interests

A hallmark of the individual is the cultivation of personal interests, but for some people, their intellectual pursuits might actually be genetically predetermined.

Exploring how a parent's education can affect the mental health of their offspring

Could depression in adulthood be tied to a parent's level of education? A new study led by Amélie Quesnel-Vallée, a medical sociologist from McGill University, suggests this is the case.

Visual nudge improves accuracy of mammogram readings

In 2011 - to the consternation of women everywhere - a systematic review of randomized clinical trials showed that routine mammography was of little value to younger women at average or low risk of breast cancer.

Immunological mechanisms of oncolytic adenoviral therapy

Cancer is one of the most common causes of death in humans. The conventional cancer therapies include surgery, radiotherapy, chemotherapy, and targeting therapies, which are intended to directly destroy and eliminate tumor cells.

NIH study shows caffeine consumption linked to estrogen changes

Asian women who consumed an average of 200 milligrams or more of caffeine a day-the equivalent of roughly two cups of coffee-had elevated estrogen levels when compared to women who consumed less, according to a study of reproductive age women by researchers at the National Institutes of Health and other institutions.

MSU researchers show how new viruses evolve

In the current issue of Science, researchers at Michigan State University demonstrate how a new virus evolves, which sheds light on how easy it can be for diseases to gain dangerous mutations.

Detecting Detrimental Change in Coral Reefs

Over dinner on R.V. Calypso while anchored on the lee side of Glover's Reef in Belize, Jacques Cousteau told Phil Dustan that he suspected humans were having a negative impact on coral reefs.

Changing people's behavior: From reducing bullying to training scientists

If you want to change how teenagers view bullying, go to the straight to the source of most school trends: the most connected crowd.

80 percent of 'irreplaceable' habitats in Andes unprotected

Hundreds of rare, endemic species in the Central Andes remain unprotected and are increasingly under threat from development and climate change, according to a Duke University-led international study.

Birth after cancer treatment with removal and storage of ovary

For the first time in Germany, a woman has given birth to a child after removal and preservation of tissue from one of her ovaries.

What are friends for? Negating negativity

'Stand by me' is a common refrain when it comes to friendship but new research from Concordia University proves that the concept goes beyond pop music: keeping friends close has real physiological and psychological benefits.

Viruses con bacteria into working for them

MIT researchers have discovered that certain photosynthetic ocean bacteria need to beware of viruses bearing gifts: These viruses are really con artists carrying genetic material taken from their previous bacterial hosts that tricks the new host into using its own machinery to activate the genes, a process never before documented in any virus-bacteria relationship.

How sea water could corrode nuclear fuel

Japan used seawater to cool nuclear fuel at the stricken Fukushima-Daiichi nuclear plant after the tsunami in March 2011 -- and that was probably the best action to take at the time, says Professor Alexandra Navrotsky of the University of California, Davis.

Notre Dame researchers publish new findings on aging pediatric bruises

A multi-university research group which includes several University of Notre Dame faculty and graduate students, has recently published a paper detailing new work on the analysis and dating of human bruises.

Study pinpoints genetic variation that raises a risk linked to bisphosphonates

Researchers at the Columbia University College of Dental Medicine have identified a genetic variation that raises the risk of developing serious necrotic jaw bone lesions in patients who take bisphosphonates, a common class of osteoclastic inhibitors.

Rice, UCSD scientists probe form, function of mysterious protein

Like a magician employing sleight of hand, the protein mitoNEET -- a mysterious but important player in diabetes, cancer and aging -- draws the eye with a flurry of movement in one location while the subtle, more crucial action takes place somewhere else.

Hope for those with a depressive disposition

Good news for the 13 per cent of the population with depressive personality traits: their negative outlook does not have to be permanent. This has been shown by psychologist Rachel Maddux in new research from Lund University in Sweden.

Study: Diabetes affects hearing loss, especially in women

Having diabetes may cause women to experience a greater degree of hearing loss as they age, especially if the metabolic disorder is not well controlled with medication, according to a new study from Henry Ford Hospital in Detroit.

System to deliver organ transplant drug -- without harmful side effects

A new system for delivering a drug to organ transplant patients, which could avoid the risk of harmful side effects, is being developed by scientists at the University of Strathclyde in Glasgow.

UMass Amherst Ecologists among the First to Record and Study Deep-sea Fish Noises

University of Massachusetts Amherst fish biologists have published one of the first studies of deep-sea fish sounds in more than 50 years, collected from the sea floor about 2,237 feet (682 meters) below the North Atlantic.

IRCM researchers fuel an important debate in the field of molecular biology

Dr. François Robert, molecular biology researcher at the Institut de recherches cliniques de Montréal (IRCM), and his team confirmed that the phosphorylation of RNA polymerase II, a key enzyme in the process of gene expression, is uniform across all genes.

Scientists reveal how cholera bacterium gains a foothold in the gut

A team of biologists at the University of York has made an important advance in our understanding of the way cholera attacks the body.

Bedwetting can be due to undiagnosed constipation, research shows

Bedwetting isn't always due to problems with the bladder, according to new research by Wake Forest Baptist Medical Center. Constipation is often the culprit; and if it isn't diagnosed, children and their parents must endure an unnecessarily long, costly and difficult quest to cure nighttime wetting.

Study reveals implications of the incentive to coordinate among bank lenders

When a firm experiences a negative shock - e.g. a drop in revenues, loss of the CEO - it will face difficulties when raising new debt for many reasons.

Living on the edge: An innovative model of mangrove-hammock boundaries in Florida

The key to understanding how future hurricanes and sea level rise may trigger changes to South Florida's native coastal forests lurks below the surface, according to a new model linking coastal forests to groundwater.

Early cystic fibrosis lung disease detected by bronchoalveolar lavage and lung clearance index

The lung clearance index (LCI) is a sensitive non-invasive marker of early lung disease in young children with cystic fibrosis (CF), according to a new study from Australian researchers.