Brightsurf Science News & Current Events

April 22, 2003
Whale study links genetics and reproductive success
A recent study focusing on the humpback whales of the Gulf of Maine revealed that differences in reproductive success of whale mothers may play a significant role in changing genetic variation in the population, according to scientists.

The mechanics of anti-tumor activity outlined
Inhibiting the growth and the angiogenic properties of cancer is an important modality for cancer treatment and research.

Gastric emptying for specific foods may be key to managing deadly illnesses in elderly
The rate of gastric emptying is a major measure of the glucose and cardiovascular responses to oral carbohydrates.

Glowing hot transiting exoplanet discovered
A group of German astronomers have discovered an exoplanet -somewhat larger than Jupiter, but only half as massive- that moves in front of the central star (OGLE-TR-3) every 28.5 hours.

Study shows that workers seek information from people they already know
Researchers discovered that a group of aerospace workers looking for vital information usually chose human sources over written ones and familiar people over experts they didn't know.

Children's stereotypes of aging starts early
Children as young as five years old have negative stereotypes of older people, according to new research from the University of Alberta.

NHLBI study finds all-in-one approach to lifestyle changes effectively lowers blood pressure
With special counseling, Americans can make multiple lifestyle changes at the same time to prevent or control high blood pressure.

Diet, exercise together effective in controlling high blood pressure
New research suggests that an overhaul of dietary and fitness habits to help prevent or control high blood pressure is feasible with proper coaching, contrary to the theory that too many changes would be overwhelming and ineffective for most people.

Exercise programs can help sedentary older adults
Older adults spend much of their time engaged in sedentary activities like talking on the telephone and reading, but programs to promote physical activity can help them get moving, according to new research.

Missing protein is double-edged sword in cancer development
The lack of a special protein crucial to cell growth and development may help cancer cells proliferate, new research suggests.

Technique brings immune-based therapies closer to reality
Johns Hopkins researchers have developed an inexpensive, reliable way to make large quantities of targeted immune cells that one day may provide a life-saving defense against cancers and viral infections.

Professors study how we remember TV news
People tend to use stereotypes to remember a person's role in a news story.

Multiple lifestyle changes effectively lower blood pressure
The combination of weight loss, exercise, reduced salt intake and a healthy diet can dramatically lower blood pressure, according to a national study, called PREMIER, conducted at Johns Hopkins and three other institutions.

Study boosts confidence in potential screening tool for Alzheimer's disease
A major study has confirmed the value of potential markers for identifying people with Alzheimer's disease.

Fifty years later, famous photo is in OSU's Pauling collection
Fifty years after James Watson and Francis Crick announced in the journal Nature that they had discovered the double helix structure of DNA, the photo that helped them unravel the mystery is finally getting its due recognition in a NOVA television special.

MEDIA ALERT: World-renowned experts in suicide prevention to meet this week
New research findings and state-of-the-art overviews related to suicide as a significant public health threat will be featured during the American Association of Suicidology's 2003 Conference April 24-26 (with pre-conference workshops on April 23) in Santa Fe, New Mexico.

Unusually long and aligned 'buckytubes' grown at Duke
Duke University chemists have developed a method of growing one-atom-thick cylinders of carbon, called

Torture in Mexican criminal justice system still common, say doctors who examine victims
Mexico's government has pledged to improve human rights for prisoners and detainees, but torture still persists in Mexican detention centers, according to a new study of the doctors who examine detainees.

Megaportions: What's a body to do?
Although increasing evidence points to megaportions of high fat, high calorie foods as fueling the spread of the American obesity epidemic, simply telling people to eat less won't reverse the trend, says Penn State hunger and satiety researcher, Dr.
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