Brightsurf Science News & Current Events

March 27, 2002
Different parts of the brain handle fantasy and reality
The ability to recognize objects in the real world is handled by different parts of the brain than those that allow us to imagine what the world is like.

Timing of chemical signal critical for normal emotional development
A signaling protein suspected of malfunctioning in anxiety and mood disorders plays a key role in the development of emotional behavior, report NIMH-funded researchers.

Nicotine patches and gum may pose health hazards
Nicotine patches and gum, designed to help smoker's quit, may be hazardous to your health.

Genomics, internationally recognized speakers to figure prominently in upcoming symposium
A special symposium, Exploring Medicine in the Post-Genome World, will take place April 19-20 during the University of North Carolina at Chapel Hill School of Medicine's Spring Medical Alumni-Medical Center 50th Anniversary celebrations.

Researchers narrow search for structure of cholera toxin's extracellular transport signal
Working with Vibrio cholerae, the bacterium that causes the severe diarrheal disease of cholera, microbiologists at the University at Buffalo have revealed new information on a cellular signaling system that ultimately will help scientists understand how cholera toxin and virulent proteins of other pathogenic bacteria migrate through their cellular membranes to cause disease.

Forging a link between brain and bone
The adipose-derived hormone leptin is well known for its influence on feeding behavior.

Long-term use of oral contraceptives could increase risk of cervical cancer for women with HPV
Women who are positive for the sexually transmitted human papillomavirus (HPV) could be at a three times greater risk of cervical cancer if they have used oral contraceptives for five years or longer, suggest authors of a study in this week's issue of THE LANCET.

Airlines get new tools to avoid in-flight icing
Airlines now have a new tool for avoiding in-flight icing, which can threaten smaller commuter planes and delay larger commercial aircraft as they land or take off.

UC chemist's 'light touch' is heavy duty help
University of Cincinnati chemist William Connick and his students have found a way to use a single photon to intitiate a two-electron transfer.

Treating metastatic disease with a modified herpesvirus
Using bacteria or viruses to control tumors is an old idea, and many such biotherapeutic agents have been designed and tested in cell and animal models.

Fly brains provide new insights into the growth and development of human nerve cells
An international research team has identified the specific genes that control the growth and development of brain cells in fruit flies.

Designer animals made easy
Making genetically modified animals could soon become much easier and cheaper.

'Life without father: What happens to the children?' is explored in Contexts, ASA's magazine
Why do children raised without their fathers run serious risks?

Hofferth examines 'did welfare work?' in ASA's magazine, Contexts
Welfare reform has been widely accepted as a success, with the media highlighting stories of employed ex-recipients.

Unwanted HRT playing havoc with songbirds
Gender-bending chemicals are playing havoc with songbirds' reproduction and are making females sing when they shouldn't, say US researchers.

New material to patch injured knee ligaments
Damaged knee ligaments will heal better if patched up with a bit of pig's gut.

Control of intestinal inflammation by PGE2 and its receptor
Aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) have as a common side effect the ability to damage the lining of the intestine.

Physics tip sheet #6 - March 27, 2002
Highlights of this issue include a better for building evacuations, plug'n'play quantum cryptography, molecular Bose-Einstein condensation and separation of shaken granular mixtures.

Late-onset schizophrenia found to be distinct condition
A condition previously considered late-onset schizophrenia has been found, in fact, to be a distinct condition that disables the communication superhighway, researchers said.

Gene enhances effects of estrogen on good cholesterol
A genetic variant seems to determine how well women's good cholesterol responds to estrogen therapy.

Study finds direct link between computer use and vision problems in children
Computer vision problems are not just for adults. Up to 30 percent of the U.S. children who use computers at home or school may need special computer eyewear to reduce their risk of premature vision problems, according the a University of California at Berkeley School of Optometry study.

People suffering from epilepsy continue to lack a good quality of life
People with hard to control epilepsy experience poor quality of life, but many do not proactively pursue new treatments, according to the Quality of Life in Epilepsy survey, sponsored by Cyberonics.

Overweight people less likely to survive car crashes
A study carried out in Seattle has found that heavier people are almost two and half times more likely to be killed or seriously injured in car accidents than lighter people. 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