Brightsurf Science News & Current Events

November 21, 2001
INEEL uses ethanol to reduce petroleum consumption, cut exhaust emissions
A different blend of gasoline is being pumped into government vehicles at the U.S.

Obese women convert carbohydrate to fat faster than lean women
Publishing in the American Journal of Clinical Nutrition, McDevitt et al. found significant differences in de novo lipogenesis between lean and obese women in response to a control diet, but not to overfeeding of carbohydrates.

UF study: Religion doesn't influence sense of well-being or fear of death in seniors
Simply attending religious services or turning to religion in times of need will not increase a person's feeling of well-being or make them fear death less, at least among people in later life.

Women with higher education have less risk of heart disease
Women with college or advanced degrees may have a lower risk of heart disease than less-educated women, according to a new study.

Gay men weigh consequences before divulging HIV status
Before confiding to friends and family that they are HIV-positive, men infected with the virus tend to weigh the consequences of that disclosure.

A trillion computers in a drop of water: Scientists build a nanoscale computing machine using biological molecules
A group of scientists headed by Prof. Ehud Shapiro at the Weizmann Institute has used biological molecules to create a tiny computer - a programmable two-state, two-symbol finite automaton - in a test tube.

Professionals can be deceived by intense grief of parents who smother their children
Parents who smother their children are capable of intense outpourings of grief over the loss of their child(ren), says a report in the Archives of Disease in Childhood.

Major stress during pregnancy linked to autism
Women who have had a major stressful event - death of a spouse, job loss, or a long-distance move - midway through their pregnancy may have a greater chance of having an autistic child than do their unstressed counterparts say researchers at Ohio State.

Sociodemographic factors affect the nutritional status of HIV-infected adults
In a cross-sectional study of 633 HIV-infected adults, a number of sociodemographic variables emerged that affected the subjects' nutritional adequacy.

More severe periodontal disease poses additional threat to pregnant diabetics
Pregnant diabetics have more gingival inflammation and deeper pockets between their teeth and gums, which are symptoms of periodontal disease, than non-diabetic pregnant women, according to a new study in the Journal of Periodontology.

Science steps up on International Space Station with new experiments, fresh crew to operate them
A new suite of experiments will be delivered to the International Space Station by Space Shuttle Endeavour later this month -- kicking off Expedition Four and broadening scientific research onboard the orbiting space laboratory.

The Electronic Small World Project aims to find how e-mail connects people worldwide
While everyone agrees that e-mail has helped make the world a smaller place, until now, no one has tried to map just what this small world looks like.

A smile a day keeps heart disease away
Viewing life's glass as half full may protect older men against coronary heart disease, a new study shows.

Peptide identified as natural antibiotic providing first line of defense against bacterial infection
Researchers have shown for the first time in living mammals that specific peptides with known anti-microbial properties, also act as natural antibiotics.

UCLA receives $4.8 million grant to support research in world's best plasma physics facility
UCLA's Basic Plasma Science Facility has been awarded a $4.8 million grant by the U.S.

Both peer and parent behaviors affect teen gang activity
A new study confirms that parental behavior can affect how likely teenagers are to join a gang or participate in gang delinquency.

'Oliver Twist' is a textbook of child abuse
Oliver Twist, the novel by Charles Dickens, is a textbook of abuse.

Actelion's Tracleer (bosentan) tablets approved by the US FDA - First oral treatment of pulmonary arterial hypertension
Actelion Ltd. (SWX New Market: ATLN) today announced that the U.S.

Study finds periodontal surgery best bet to keep patients smiling
Patients who are at risk for losing teeth to periodontal disease show improved prognosis for keeping their teeth following periodontal surgery, according to a new study in the Journal of Periodontology.

Three out of four junior doctors risk potential HIV infection during course of work
Three out of four junior doctors are at potentially high risk of HIV infection at some time during their careers, shows a survey in Sexually Transmitted Infections.

University Of Pittsburgh researchers find potential sleep problems await astronauts on long missions
Astronauts traveling to distant places such as Mars may find themselves suffering from sleep problems as their missions progress, say scientists at the University of Pittsburgh School of Medicine in a report to be published in the December issue of Psychosomatic Medicine. 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