Brightsurf Science News & Current Events

September 03, 2003
Gingivitis vs. gum disease: What's the difference?
Eighty percent of American adults have some form of periodontal (gum) disease, but the beginning symptoms are usually painless, so many who are at risk do not recognize the signs and stages, according to a report in the September/October 2003 issue of General Dentistry, the clinical, peer-reviewed journal of the Academy of General Dentistry (AGD).

NSF publishes unique learning resource in time for new school year
The National Science Foundation today published a first-of-its-kind resource for educators, parents and professionals seeking examples of unique and creative ways to explore science and technology and examine successful inquiry-based learning.

Blood dilution during bypass surgery associated with kidney damage
When physicians routinely

Forests near Chernobyl under stress
Pine trees near the Chernobyl nuclear plant in Ukraine are altering their DNA in response to the huge amount of radioactive fallout from the plant's accident in 1986.

Nurseries in the deep sea
Exploring a deep-sea ridge off Northern California, MBARI scientists have discovered a unique undersea nursery, where groups of fish and octopus brood their eggs together.

Seizure prone? Tell your dentist
About 11 percent of the population will suffer some sort of seizure before turning 80 years old.

UCSD researchers identify chromosome location for 2nd form of Joubert syndrome
Physicians may be a step closer to pre-natal diagnosis of a rare genetic disorder called Joubert syndrom.

Study shows virtual demonstrations lead consumers to make real purchases
Companies that offer interactive Web sites to consumers have a two to five times greater chance of selling their products than those that only provide static information, according to a University of Washington professor.

Smallest whirlpools can pack stunningly strong force
Researchers studying physical and chemical processes at the smallest scales, smaller even than the width of a human hair, have found that fluid circulating in a microscopic whirlpool can reach radial acceleration more than a million times greater than gravity, or 1 million Gs.

Natural fat compound may be basis for new class of drugs targeting obesity
Researchers at the UC Irvine College of Medicine have identified how a natural fat compound works to tell the body to stop eating - a discovery that may be the basis for a new class of drugs targeting obesity and other eating disorders.

Nanoscale iron could help cleanse the environment
An ultrafine,

Top-ups of naturally occurring gut hormone could help treat obesity
Researchers from Imperial College London and Hammersmith Hospital have discovered that obese people have lower than average levels of the hunger regulating gut hormone PYY3-36.

Ingenium publishes biological characterization of first mouse model for kidney stones
Ingenium Pharmaceuticals AG announced today the publication in the journal Human Molecular Genetics of the first mouse model for cystinuria type I, a disease commonly known as kidney stones.

Workshop designed to give 'sleeping' Indian languages a breath of life
Thirty-six participants from 13 Pacific Northwest Indian tribes will gather at the University of Washington next week for a workshop designed to open the lnguistic riches of the UW campus and assist tribal effort to revitalize imperiled indigenous languages.

Web filters not good for schools or students, education professor says
Internet filters may help protect parents from their fears, and schools from lawsuits, but they're

Cutting with light
Until recently, the use of lasers in the dental office was marginalized because of the cost of the equipment and its limited use.

Meteors not water coloured Mars
Mars may not have been wet after all. Results from lab experiments in California suggest that the planet's reddish hue came from a dusting of tiny meteors falling on its surface - rather than the currently held idea that the reddish iron oxide formed from iron in rocks dissolving into pools and rivers.

UB begins groundbreaking study on 'net effect' on patients of HIV treatments, other drugs
An antiretroviral drug for HIV, methadone for heroin addiction, a birth control pill and an antidepressant.

Winner announced for science fiction competition
Selected by an international jury out of 104 entries from 36 countries, Lavie Tidhar's story Temporal Spider, Spatial Webs is the winner of this year's Clarke-Bradbury International Science Fiction Competition.

Close encounters of another kind?
The latest discovery of a large asteroid moving through our Solar System puts a spotlight on the studies of these and other wandering celestial objects by the European Space Agency.

Lavish weddings on the rise at home and abroad, authors say
In case you hadn't noticed, the modern wedding, like some big Hollywood production, is in morph mode.

Burning mouth syndrome
Burning mouth syndrome (BMS), a painful disorder affecting mostly women, is a constant and aggravating source of discomfort for more than 1 million adults.

New tools help families and schools prepare for disasters
As the second anniversary of the Sept. 11, 2001, attacks on America nears, the National Child Traumatic Stress Network (NCTSN) is disseminating two new tools to help families and schools prepare for future disasters and terrorism.

Cooperation is a no-brainer for symbiotic bacteria
Some legume plants, which rely on beneficial soil bacteria called rhizobia that infect their roots and provide nitrogen, seem to promote cooperation by exacting a toll on those bacterial strains that don't hold up their end of the symbiotic bargain, according to a team of researchers at the University of California, Davis.

Americans among most misinformed about global warming
Despite huge differences in all kinds of resources, citizens of poorer developing countries have essentially the same level of knowledge about the sources of global warming as citizens of richer developed countries -- and that level isn't very high.

Herbal weight-loss product information can be misleading
Many Internet sites marketing and advertising dietary supplements containing the herb ephedra are posting false or misleading information, a Johns Hopkins study demonstrates.

Ocean may sponge up some warmth over next 50 years
NASA's improved global climate computer model, which simulates and projects how the Earth's climate may change, indicates that the oceans have been absorbing heat since 1951 and will continue to absorb more heat from the atmosphere over the next 50 years.

Organ transplant recipients face serious kidney-failure risk, study finds
As if the ordeal of waiting for, receiving and living with an organ transplant weren't enough, a new study finds that people who get a second chance at life from new hearts, lungs, livers or intestines are very likely to have their lives cut short by failing kidneys. 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