Brightsurf Science News & Current Events

February 18, 2003
Other highlights of the February 19 JNCI
Other highlights in the February 19 issue of JNCI include a study examining DNA repair capacity and malignant melanoma, a study of a natural compound as a chemopreventive agent for lung cancer, a study of OK-432 immunotherapy, a study looking at the association between pancreatic cancer cell invasiveness and DNA methylation, and a review article examining the measurement of health-related quality of life in clinical trials.

Cyclis Pharmaceuticals reports studies defining new mechanism for potential cancer therapies
Cyclis Pharmaceuticals, Inc. today announced publication of laboratory studies demonstrating that an experimental anti-cancer agent, ß-lapachone, can selectively kill tumor cells while sparing healthy cells.

Future health of Earth's atmosphere, how to make it snow
The challenge of anticipating potential harm to Earth's atmosphere and the science of making snow will be addressed by two scientists from the National Center for Atmospheric Research (NCAR) at the annual meeting of the American Association for the Advancement of Science in Denver, February 13-18.

Pain and the brain: Sex, hormones & genetics affect brain's pain control system
Gender, sex hormones, and genes appear to play a big part in how individuals' bodies and emotions react to pain, according to new data.

ESA's Artemis satellite reaches geostationary orbit - from total loss to full recovery
In the late afternoon of Friday 31 January, a final trim manoeuvre nudged Artemis into its assigned position in geostationary orbit, completing a most remarkable satellite recovery operation which has lasted 18 months.

Web knowledge empowers patients, researcher says
The Internet is having a profound effect on physician-patient relationships by giving patients greater control of their own health care decisions, says a University of Toronto researcher.

Cancer vaccine one step closer
Andreea Ioan-Facsinay from Leiden University Medical Center has attached proteins from tumour cells to antibodies.

Study: Texas beef processors cite opportunities and challenges in export markets
Some federally inspected Texas beef processors say they would begin exporting state-produced beef if they knew more about potential markets, policies and procedures, while current exporting firms cite problems with interpretations of regulations, especially involving trade with Mexico-Texas' leading export market.

Family communication about hereditary disease vital to prevention
While great progress has been made in identifying genes associated with hereditary forms of cancer, how a family communicates about hereditary cancers may be just as important to preventing the disease or detecting persons who may be at risk, says a Texas A&M University psychologist.

Word scans indicate new ways of searching the Web
A Cornell University professor has developed a method for a computer to find the topics that dominate a discussion at a particular time by scanning large collections of documents for sudden, rapid bursts of words.

Gender stereotypes strong in teenagers' stories: study
In an era of

GPS pioneer Bradford Parkinson awarded Draper Prize in engineering
On Feb. 18, the National Academy of Engineering (NAE) honored two of the pioneers of GPS technology - Bradford W.

Laser technique able to detect developing cavities
Forget sharp metal picks or X-rays-in the future, your dentist may search for cavities using a painless laser-based technique developed at the University of Toronto that can detect cracks or defects at an early stage of development.

Bone marrow helps bones to repair themselves
Specially prepared titanium mesh and bone marrow cells have made it possible to allow new bone cells to grow in bone fractures.

Researcher identifies North American hotspots for fish conservation
At a time when conservation budgets are tight but species continue to be threatened with extinction, setting priorities is essential.

Tamoxifen reduces the risk of benign breast disease
Tamoxifen appears to reduce the risk of benign breast disease and may result in fewer biopsies, according to an analysis of data from a major randomized clinical trial of tamoxifen.

Village depopulatiom in southwest reflects successful agriculture
What often is described as abandonment of Southwestern village sites by ancient inhabitants is frequently inaccurate when the archaeological evidence is scrutinized, according to a University of Colorado at Boulder anthropologist.

Misunderstanding the prehistoric southwest: what happened at Chaco?
Two University of Colorado at Boulder researchers have developed intriguing theories on the mysterious demise of the Chaco Canyon Pueblo people and the larger Chaco region that governed an area in the Southwest about the size of Ohio before it collapsed about 1125.

New age for Mungo Man, new human history
An Australian study has finally got scientists to agree on the age of Mungo Man, Australia's oldest human remains, and the consensus is he is 22,000 years younger.

Bigger, faster, stronger: Genetic enhancement and athletics
As we learn how to fix broken bodies and cure disease with gene therapy, we're faced with a impending ethcial problem.

Larger nuts end up further from tree
Trees are better off if they produce large nuts. This is revealed in research by Patrick Jansen from Wageningen University.

OHSU researchers discover brain cell mechanism possibly linked to mental retardation
Oregon Health & Science University researchers believe they have found a cellular mechanism linked to mental retardation.

Imperial College London receives Queen's Anniversary Prize for excellence in engineering research
Imperial College London has won a Queen's Anniversary Prize for excellence in the field of process systems engineering.

First draft of 'periodic table' of protein structures helps visualize nature's universe of proteins
Proteins snake and loop to form incredibly complex 3-D structures, but scientists are far from being able to predict these structures from the basic gene sequence.

Cinema shapes and predicts history, researcher says
Can developments in film techniques predict social change? A University of Toronto cinema professor believes they can.

Corals defy species classification
Classifying corals in terms of species is a risky business.

Case for massive black hole strengthened
UCLA astronomer Andrea Ghez reported at the American Association for the Advancement of Science meeting in Denver that the case for the monstrous black hole at the center of our Milky Way galaxy has been strengthened substantially, and that all of the proposed alternatives can be excluded.

Combination therapy for obsessions more effective than drugs alone
People with obsessions and compulsions experience considerable benefit from a combined treatment of drugs and behavioural therapy.

Support for cutting edge research: New professorial fellowship scheme
The ESRC launches a new professorial fellowship scheme to support up to 10 of the UK's top social scientists today.

Radiologist training may affect accuracy of mammogram interpretation
A new study suggests that radiologist training and facility characteristics, rather than volume of mammograms read per year, are associated with accuracy in the interpretation of mammograms.

Personalised holiday planning
Tailor-made travel guides and the convenience of intelligent, online booking makes the new KARAVEL website the first stop for holidaymakers. 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