Brightsurf Science News & Current Events

March 29, 2004
Exercise improves cancer survival, reduces cancer risk, scientists say
Regular exercise, long associated with better cardiovascular health, muscle tone and weight control, also may help prevent certain cancers and improve the odds of cancer survival.

Undergraduate research experience advances education
As an undergraduate research project, Cindy Schreiber decided she would streamline the PCR process to increase the rate at which DNA samples are replicated.

Learning how to erase electronic paper
Providing a better understanding of liquid-solid interfaces is the goal of chemist Jeanne Pemberton's research.

Streamlining the 'pythagorean theorem of baseball'
Math researchers are considering simplified alternatives to the Pythagorean Theorem of Baseball, devised by baseball statistician Bill James in the 1980s.

Why AL batters get beaned more often
A new scientific paper supports a theory of why more American League batters get hit than their National League counterparts.

STN International launches Derwent World Patents Index First View
FIZ Karlsruhe, one of Europe's leading providers of information services, and European partner of premier science and technology online service STN International, has launched Derwent World Patents Index First View (DWPI First View) database on STN International.

Soy consumption could help prevent prostate cancer and male pattern baldness
A team of scientists has discovered that a little-known molecule created in the intestine when soy is digested is a natural and powerful blocker of a potent male hormone involved in prostate cancer and male pattern baldness.

Nanoparticles from the ocean and vehicle emissions
Under the right conditions, nanoparticles can form spontaneously in the air.

Mayo Clinic researchers discover gene mutations that 'ignore' stress, lead to heart failure
Mayo Clinic researchers have discovered genetic mutations in heart patients that make them vulnerable to heart failure because they produce an abnormal protein that can't decode stress messages from the body.

Black men less likely to be treated for aggressive prostate cancer, UMHS study finds
Black men with the most aggressive form of prostate cancer are less likely than white men to receive surgery or radiation therapy, according to a new study by University of Michigan Health System researchers.

Brood X cicadas will cause limited damage to trees, yard plants across eastern U.S.
The world's largest insect emergence of

Snake venom may power-out bloodstains from clothes
An enzyme extracted from the venom of the cottonmouth snake appears to help launder out notoriously stubborn blood spots on clothing, according to a report being presented March 29 at the 227th national meeting of the American Chemical Society in Anaheim.

Powerful stem cells harnessed to search for cancer metastasis
Stem cells that act as seek-and-destroy missiles appear to be able to find cancer wherever it hides out − at least, so far, in animals.

DNA-binding strands used to create molecular zipper
Virginia Tech students and faculty members are creating releasable coatings and thin films using the same chemistry that nature uses to bind the double helix of DNA.

Regardless of race, pain feels pretty much the same
A new study that measures pain sensitivities among Whites and African-Americans suggests assessment procedures may be to blame for reported racial differences in the amount of pain experienced.

Fox Chase Cancer Center researchers identify significant smoking-induced genetic alteration
A Fox Chase Cancer Center researcher and her colleagues have identified a genetic alteration that occurs 13 times more frequently in lung tissue of mice exposed to tobacco smoke.

New study finds even a 'small' amount of psoriasis can negatively impact daily life
A study released Saturday in a special issue of the Journal of Investigative Dermatology (JID) finds that many adults with relatively small areas of psoriasis on their skin nevertheless report high levels of dissatisfaction with their current treatment, and also feel that psoriasis is a problem in their daily life.

Angiogenesis gene linked to biomarkers in breast cancer
Johns Hopkins Kimmel Cancer Center scientists have made what is believed to be the first link between a gene that controls blood vessel growth and increased activity in a panel of breast cancer biomarkers that regulate tumor cell growth.

Advances in prevention and treatment research hold promise for 'pipeline'
New vaccinations to prevent infections that lead to cervical cancer and targeted therapeutics aimed at breast cancer were examples of research highlights presented by scientists today at the 95th Annual Meeting of the American Association for Cancer Research.

Duke chemists describe new kind of 'nanotube' transistor
Duke University researchers exploring ways to build ultrasmall electronic devices out of atom-thick carbon cylinders have incorporated one of these

Educated women less likely to skip marriage and motherhood, study shows
Educated women no longer face a

Why fashion-buying is central to the life of high street stores
The crucial role of fashion buyers for our high street stores is highlighted in new research sponsored by the ESRC.

Enlisting carbon nanotubes to unmask nerve agents
Besides posing a serious environmental hazard, organophosphate-based pesticides, or OP compounds, are raw material for chemical-warfare nerve agents.

Bioreactor boosts chemical fermentation by 50 percent: study
A device invented at Ohio State University has dramatically boosted the production of a chemical that performs tasks as diverse as scenting perfume and flavoring Swiss cheese.

Monkey virus may hold clue for development of common blood cancer
Examination of tumors in patients with newly diagnosed non-Hodgkin's lymphoma found that half of them show evidence of a monkey virus DNA that may have originated from contaminated polio vaccines.

Media Advisory 3 - Joint Assembly in Montreal
Sessions (435) and abstracts (2,876) are now readable online. Major themes of this international meeting are listed.

Study: Mimicking viruses may provide new way to defeat them
Viruses, often able to outsmart many of the drugs designed to defeat them, may have met their match, according to new research from the University of Wisconsin-Madison.

Bizarre attractive force found in mayonnaise
Scientists at Rice University have discovered that a little-understood tensile force, which was previously thought to be an oddity found only in the types of plastics used to make bulletproof vests, occurs in everyday emulsions like mayonnaise and salad dressing.

Study points to a promising new test for myelodysplasia, a blood disorder often leading to leukemia
A report in the April 6th edition of PNAS and appearing online the week of March 29th describes a new test for the early diagnosis of myelodysplasia (MDS), a blood disorder that can lead to leukemia.

Pesticide detection on a chip
Nanotechnology can be applied to make high-throughput tests, for example for pesticides or other contaminants, that are smaller, faster and more sensitive than conventional assays.

Environmental and dietary influences on cancer risk
Genetic damage triggered by environmental carcinogens, including smoking, is being further defined with the aid of new technology, including microarrays, polymorphisms and DNA adducts, one of the first steps in the carcinogen pathway that ultimately leads to tumor formation.

An alternative to bone-marrow donation
Researchers have developed a method to reconstitute bone marrow and blood cells from embryonic stem (ES) cells.

Acrylamide in food: Unraveling exposure and risk
Two years ago, Swedish scientists first reported unexpectedly high levels of the chemical acrylamide, a probable human carcinogen, in carbohydrate-rich foods, including potato chips, French fries, and some breads.

World's largest postcard?
The biggest postcard in the world does not fit into any known terrestrial letterbox.

Tiny machines need even tinier lubricants
Tiny machines built as part of silicon chips are all around us, and their need for lubrication is the same as large machines such as automobile engines, but conventional lubricants, like oils, are too heavy for these micro electromechanical systems (MEMS), so Penn State researchers are looking to gases to provide thin films of slippery coating.

Ethanol to power the future of hydrogen fuel cells
Hydrogen fuel cell technology's potentially strong future as a fuel for automobiles and various other applications is likely to be weakened by issues regarding its availability and the expenses involved in storage.

New paclitaxel analog kills more cancer cells than natural product
A multi-university research team led by Virginia Tech University Distinguished Professor of Chemistry David G.I.

Penn chemist Virgil Percec receives American Chemical Society award in polymer chemistry
Virgil Percec, a professor of chemistry at the University of Pennsylvania, will receive the American Chemical Society Award in Polymer Chemistry at the society's 227th national meeting in Anaheim, Calif.

Moffitt teams with DNAPrint(TM) to predict patient response to chemotherapy
H. Lee Moffitt Cancer Center & Research Institute at the University of South Florida and DNAPrintTM genomics, Inc., have formed a joint research program to develop new clinical tests for predicting patient response to chemotherapies.

Active lifestyle reduces risk of endometrial cancer
Women and teen-age girls have yet one more reason to become more physically active - reduction of their risk of developing the most common gynecologic malignancy, endometrial cancer, researchers at Vanderbilt University Medical Center and its Vanderbilt-Ingram Cancer Center report.

Improved crop production and fewer greenhouse gases
Kevin G. Harrison, an assistant professor in Boston College's Geology and Geophysics Department, has published research on a farming technique that can both increase crop yields and reduce the release of carbons that develop into greenhouse gases.

Medical societies report critical care crisis in United States
Critical care professional societies in the United States are urging the federal government to address the impending critical care workforce shortage and other deficiencies in critical care medicine before the nation enters into a full-scale critical care crisis.

National Science Foundation supports Antarctic research on Larsen Ice Shelf
The Antarctic Peninsula is undergoing greater warming than almost anywhere on Earth and the Peninsula's Larsen Ice Shelf, the third largest ice shelf in Antarctica, has experienced catastrophic decay since the mid 1990s.

Coal source of jet fuel for next generation aircraft
New fuel for the next generation of military aircraft is the goal of a team of Penn State researchers who are demonstrating that jet fuel can be made from bituminous coal.

New family of hyperbranched polymers enhance mechanical, rheological, processing performance
Virginia Tech researchers have created segmented hyperbranched plastics, which can entangle and result in high-performance polymers.

Devastating parasitic weed may be felled by toxin borrowed from flies
The parasitic weed, broomrape, attaches to the root of such vegetable crops as tomato, potato, beans, and sunflowers.

Surgery cuts cardiac arrests among those with rare heart disorder
Surgery to cut part of the nerves to the heart can reduce the risk of fainting or sudden death in young people with a heart rhythm disorder called long QT syndrome (LQTS), researchers reported in today's rapid access issue of Circulation: Journal of the American Heart Association.

Caustic soils at Hanford may lock up contaminants fast
Soil particles lock up contaminants hundreds to thousands of times faster under the caustic conditions found beneath leaking toxic waste tanks at the Hanford Nuclear Reservation than under normal soil conditions, researchers from the University of Arizona report.

A new spin on spirochetes
Three centuries after a pioneering Dutch microbiologist first observed the spiral-shaped oral pathogen Treponema denticola, scientists have deciphered the bacterium's entire DNA sequence and used comparative genomics to cast new light on other spirochete microbes.

New, natural pesticides examined at chemistry symposium March 28
Development of a new natural line of defense for crops against deadly parasitic weeds with the help of a lowly fly will highlight a two-day pest management symposium at the 227th national meeting of the American Chemical Society, the world's largest scientific society.
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