Brightsurf Science News & Current Events

March 13, 2002
Movement without senses coded into neurons, says University of Toronto researcher
An animal's ability to move - like the kicking of a developing baby or the crawling and walking of insects - is intrinsic, not dependent on sensory stimulation, says a University of Toronto neurobiologist.

U.S. forests may be products of pollution
Studies of pristine forests in South America found that the cycling of nitrogen, an essential nutrient, was quite different than expected, and it suggests that many forests of North America and Europe actually have an unnatural ecology driven largely by air pollution, acid rain and artificial nitrogen fertilization.

Reducing health disparities requires looking at more than just poverty, say experts
Reducing health disparities in America will require a

Good child care not harmful, has benefits, but poor care worrisome, U.S. study reveals
When mothers are sensitive to their youngest children's needs at home, time spent in child care appears to have no ill effects on family attachments or relationships, a leading psychologist said at a Congressional briefing Wednesday.

18th annual meeting of the European Society of Human Reproduction & Embryology (ESHRE)
International experts in reproductive medicine meet in Vienna 30 June-3 July to present new research findings and debate latest controversies.

Lack of inhibition strengthens nicotine addiction
In a finding that helps explain why nicotine addiction starts so quickly and lasts so long, University of Chicago researchers show that brief exposure to low levels of nicotine not only boosts the brain's 'reward' system but also blocks a rival system that limits the duration of such rewards.

School choices are limited for working class children
New research shows that working class children tend to opt for education 'choices' which are rooted in family background, local community and life histories whereas middle class families employ a variety of strategies to ensure advantage in their choice of schools.

Raymond DuBois honored for landmark work in colon cancer
Dr. Raymond DuBois of the Vanderbilt-Ingram Cancer Center is the 26th recipient of the Richard and Hinda Rosenthal Foundation Award to recognize research that has made or promises to make a notable improvement in cancer care.

From trucks to tykes, digital video measurement now easier
Construction truck drivers and infants now have something in common, thanks to a new software program designed to measure the time cycles of events.

Portable unit created to treat wastewater in remote locations
A compact unit designed to treat wastewater in remote locations, such as the countryside of Afghanistan, will receive a trial run at a local pump station in June.

Mayo Clinic news briefs
A Mayo Clinic study analyzing coronary calcium and plaque found that estrogen may slow the progression of atherosclerosis in women.

Bacterial proteins cause autoimmunity in the antiphospholipid syndrome
Blank and colleagues previously found a sixth amino acid antigenic determinant associated with antibodies from people with the autoimmune disorder antiphospholipid syndrome (APS).

Under construction: Information super highway getting wider
The information super highway is getting ready for some road work.

Unique national park for orchids to be declared in Africa
The Tanzanian government has announced plans to create a new national park in a region known for its staggering diversity of orchids, marking the first protected area in tropical Africa set aside primarily for its floral significance.

Researchers capture unusual sprite-like blue jet
Deep in the Puerto Rican tropical jungle surrounding the Arecibo Observatory, a team of stalwart researchers captured an elusive blue jet on video tape and found the first evidence of a connection between the ionosphere and cloud top in these events.

Mayo Clinic study examines frequency of attention-deficit/hyperactivity disorder (AD/HD)
A new Mayo Clinic study shows that attention-deficit/hyperactivity disorder (AD/HD) affects up to 7.5 percent of school-age children.

Does a vegan diet have a moral basis?
Some vegetarians and animal rights proponents suggest that the least harm would be done to animals if humans consumed a vegan diet, but a scientist at Oregon State University questions those assumptions - he has found that hundreds of millions more animals would die by this approach than if humans consumed a diet that included meat from grazing animals.

Yale study shows 25 percent of obese children are at high risk for developing diabetes
Twenty five percent of obese children and 21 percent of obese adolescents tested by Yale researchers were glucose intolerant and at high risk for developing diabetes, according to an article published Thursday in the New England Journal of Medicine.

Obesity, stress among factors predicting high health care costs
Obesity, stress and other risk factors are important predictors of health care costs and service use among young employed adults, according to a new study.

Many obese youth have condition that precedes type 2 diabetes
Many obese children and adolescents have impaired glucose tolerance, a condition that often appears before the development of type 2 diabetes, according to researchers funded by the National Institutes of Health (NIH).

Hopkins researchers find eye drops preferable to eye patch in treating children's amblyopia
Researchers at Johns Hopkins and 54 eye-care centers across North America have found two competing methods of correcting a mild form of children's amblyopia -- pejoratively called

Physics tip sheet #4 - March 13, 2002
Highlights of this issue include extreme power lasers, biomolecular nanowires, detecting gravity changes to find mineral deposits and the complexity of classical poetry.

March media highlights - GSA bulletin
The March GSA BULLETIN includes research on large earthquakes accompanied by tsunamis in Oregon occurring about every 510 years for the past 5,500 years; insight into a new type of intraplate oceanic volcanism near offshore central California; a hypothesis about the Pacific's role in regulating monsoon intensity as evidenced in 45,000-year-old rodent middens in Chile; and a study of frequency and magnitude of hotspot activity and explosive eruptions in Yellowstone Park recorded in volcanic ash beds.

Microtumor-induced vascular development
Solid tumors above a critical size become hypoxic at their core.

UCSD gene therapy to prevent restenosis following balloon angioplasty receives US patent
Bioengineers at the University of California, San Diego (UCSD) Jacobs School of Engineering have developed a gene therapy to prevent restenosis following angioplasty, and the University has recently been issued U.S.

UH engineer becomes most highly decorated scholar in fluid dynamics
A University of Houston engineering professor has earned the 2002 Fluid Dynamics Award from the American Institute of Aeronautics and Astronautics, an accomplishment that helps establish him as the world's most highly decorated scholar in the field of fluid dynamics.

Roadmaps & Rampways
A new book, Roadmaps & Rampways, highlights the stories of 34 young people with diabilities, who are either blind or deaf, or get around in wheelchairs or have learning disabilities.

Evidence behind claim of religion-health link is shaky, researchers say
Popular claims that religious activity provides health benefits have virtually no grounding in the medical literature, according to an article in the March issue of the Annals of Behavioral Medicine.

Oxidative damage to eNOS by tissue peroxynitrite
The peroxynitrite anion (ONOO-) is blamed for chemically modifying a variety of proteins and lipid species under conditions of inflammation and oxidative stress.

Researchers demonstrate direct, real-time brain control of cursor
Researchers at Brown University show that signals from the brain which normally control hand movement can be decoded and used as the sole input to control a computer cursor.

Medicines, caffeine and antibacterial soap among contaminants found in American streams
A USGS nationwide survey of streams has revealed a lengthy list of wastewater contaminant compounds from medicinal products, including painkillers, cardiac and hypertension medications, and female sex hormones used in birth control pills.

Study finds drops work as well as patch for 'lazy eye'
A National Eye Institute (NEI) study, conducted at more than 40 sites nationwide including Emory Eye Center, has found that atropine drops, given once a day to treat amblyopia or lazy eye -- the most common cause of visual impairment in children -- work as well as the standard treatment of patching one eye.

UC Berkeley researchers are developing a microsized microscope that can peek inside living cells
Researchers at UC Berkeley are inching closer to the development of a microsized microscope.

'The Mathematics of Entertainment, the Entertainment of Mathematics' to be presented
Can mathematics be entertaining? Of course! A program called

URI oceanographer to assess impact of climate change on ocean ecosystems and biogeochemical cycles
URI Graduate School of Oceanography physical oceanographer Lewis Rothstein and a team of 15 scientists from several educational institutions and government laboratories are launching the Partnership for Advancing Interdisciplinary Global Modeling (PARADIGM) to accurately model and predict how the ocean and its ecosystems and biogeochemical cycles will be affected by global phycial climate change and variability.
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