Brightsurf Science News & Current Events

June 17, 2002
New insight into origin of superconductivity in magnesium diboride
A team of scientists has provided new insight into the superconductivity of magnesium diboride (MgB2), an unusual superconductor discovered only last year.

New radioimmunotherapy cancer treatment
A major advance in cancer therapy--high dose radioimmunotherapy--resulted in long-term remission for persons with an often-fatal form of Non-Hodgkin's Lymphoma (NHL).

Common bacteria kills elkhorn coral off Florida keys, says UGA research team
Populations of the shallow-water Caribbean elkhorn coral, Acropora palmata, are being decimated by white pox disease.

ADVISOR 2002--a powerful vehicle simulation tool gets better
A powerful tool for the analysis of advanced and conventional vehicles just got better with the release of ADvanced VehIcle SimulatOR (ADVISOR) 2002.

Experience alters how we perceive emotion
Psychologists have long suspected that a person's ability to perceive basic emotions is innate.

Membrane filters offer options for cleaner water
Membrane filter technology is helping to remove barriers to cleaner drinking water.

Improving water use in growing corn possible, study shows
Farmers growing corn in the mid-Atlantic region will have a new tool to help them identify appropriate cultural practices for the types of soils in their fields, thanks to research conducted by researchers from Virginia Tech and Colorado State University.

Studies of spider's silk reveal unusual strength
University of California, Santa Barbara scientists and U.S. Army researchers are making progress in the study of spider dragline silk, according to recently published proceedings of the National Academy of Sciences.

SPECT identifies 'silent' cardiovascular risk in diabetic patients
Diabetic patients who show no symptoms may still be at risk for cardiovascular disease.

HPET & CT image fusion study reveals limitations for radiotherapy planning
Image fusion with a hybrid PET and CT currently has significant limitations for use in radiotherapy treatment planning as reported by a nuclear technologist study.

Gout drug shows promise in treating chronic heart failure
A drug used to treat gout improves blood vessel function in heart failure patients, possibly by blocking the creation of harmful free radicals, researchers report in today's rapid access issue of Circulation: Journal of the American Heart Association.

FDG PET predicts outcome in osteosarcomas
FDG PET may predict outcomes for patients with osteosarcoma, a form of bone cancer that often affects children.

Simple questions may help predict death risk for heart patients
People with heart disease who responded to a survey saying that they were limited by their symptoms and had a poor quality of life were more likely to suffer a heart attack or die, according to a report in today's rapid access Circulation: Journal of the American Heart Association.

High mortality rate in blacks with type 1 diabetes is due largely to acute complications
While the rate of deaths related to type 1 diabetes is declining in the overall population, mortality among African Americans remains higher than in whites, and acute complications such as diabetic coma are to blame.

UNC study: Americans getting obese earlier, ethnic groups put on weight at different rates
Overall, 26 percent of U.S. men and 28 percent of U.S. women already are obese by about age 36, according to a new University of North Carolina at Chapel Hill study of adult weight gain among different ethnic groups, races and sexes.

Generation x-tra large: Americans getting fatter younger, study finds
Americans are getting fatter at younger ages, and the percentage of adults who are actually obese doubled since the 1960s, according to a new study of 9,179 U.S. adults.

High blood pressure treatment also improves heart function
Treating high blood pressure with medications not only lowers blood pressure but also makes the heart work better, according to one of the largest studies of its kind.

Diet and walking lead to weight loss and metabolic control for type 2 diabetes, says Pitt
People with type 2 diabetes who choose their own diets within certain guidelines, follow an aggressive exercise regimen and are monitored by a registered dietician can achieve and maintain significant weight loss and maintain metabolic control.

Exploring the genetic commonality of alcohol and tobacco abuse
Alcohol and tobacco abuse often go 'hand in hand.' Rodents selectively bred for high, low and control sensitivity to alcohol were tested for their sensitivity to nicotine.

PET MPI reveals lipid-lowering medications leave some patients at risk
PET scans of patients with heart disease revealed that one in four whose lipid-lowering therapy seemed to be working still had progressive heart disease and were at risk.

Novel diagnostic tool detects life-threatening infections faster than standard nuclear imaging tests
Researchers at Cedars-Sinai Medical Center have found that a novel imaging agent detects life-threatening infections and inflammation in patients more rapidly than the standard nuclear medicine imaging tests typically used for this purpose.

Alcoholics have 'blunted' responses to psychological stressors such as public speaking
Researchers measured the cardiovascular responses of alcoholics and nonalcoholics to the psychologically stressful act of public speaking.

Novel use of radiotracer reveals extent of mycoardial infarction damage
A noninvasive nuclear medicine technique can accurately and safely detect the extent of persistent heart muscle damage after a heart attack.In two studies, researchers reported on the safety and efficacy of 201Tl/99mTc Annexin (ApomateTM) SPECT in detecting and localizing myocardial tissue damage and revealing areas of persistent cellular injury.

New network started for testing advanced IT technologies
The Mid-Atlantic Crossroads consortium and the Naval Research Laboratory have launched the next-generation Advanced Technology Demonstration Network (ATDnet), an unclassified Department of Defense research network.

PET/CT may identify 'vulnerable' aortic plaque
PET/CT scans may detect early changes in the aortic wall and blood vessels leading to severe cardiovascular events in the future Johns Hopkins School Medicine researchers looked at combined PET/CT scans from 85 patients imaged with fluorodeoxyglucose, FDG.

Heavy drinkers seem to get a bigger 'bang' from alcohol than do light drinkers
Alcohol can have both stimulant-like and sedative-like effects. An individual's response to alcohol may determine his or her vulnerability to future alcohol problems.

Annals of Internal Medicine, tip sheet, June 18, 2002
The science news headlines of this tip sheet include: Generation x-tra large: Americans getting fatter younger; Unholy guacamole: E. coli found in Mexican-style hot sauce samples; and Simple test can detect people with peripheral arterial disease.

Cardiac differences in infants born to HIV-positive mothers may persist
The hearts of children whose mothers are infected with HIV show subtle differences in cardiac structure and function regardless of whether the children are born infected with HIV.

Women with ovary disease may also have high risk for heart disease
Women with polycystic ovaries, a common gynecologic disorder, develop stiff arteries that may increase their risk of heart disease and stroke, according to a report in today's rapid access issue of Circulation: Journal of the American Heart Association.

Chemical society convenes regional meeting in Spokane, Washington, June 20-22
More than 175 research papers are scheduled for presentation at the 57th Northwest regional meeting of the American Chemical Society, the world's largest scientific society, in Spokane, Wash., June 20-22.

Few women regret sterilization procedures
Few of the women who undergo tubal sterilization or whose husbands undergo vasectomy later go on to regret either procedure, according to a study funded by the National Institute of Child Health and Human Development (NICHD) and conducted by the Centers for Disease Control and Prevention (CDC).

APL technology cornerstone of first fully integrated hypersonic cruise missile engine test
A team led by The Johns Hopkins University Applied Physics Laboratory has conducted the first-ever ground test of a full-scale, fully integrated hypersonic cruise missile engine using conventional liquid hydrocarbon fuel.

New cellular evolution theory rejects Darwinian assumptions
Life did not begin with one primordial cell. Instead, there were initially at least three simple types of loosely constructed cellular organizations evolving in a communal pool of genes, driven by horizontal gene transfer, says University of Illinois microbiologist Carl Woese.

PET reveals early coronary damage in young smokers
Positron emission tomography (PET) can reveal long-term coronary damage in young smokers who may appear healthy on other cardiac diagnostic tests.

UC Davis Children's Hospital launches unique program to develop community pediatricians
Working closely with community organizations in Sacramento and Yuba counties, the UC Davis Children's Hospital is launching an innovative program for pediatricians-in-training that gets them out of the office and into the neighborhoods to meet children's health-care needs.
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