Brightsurf Science News & Current Events

April 03, 2002
Low-voltage MEMS switch developed for high-speed electronics
Microelectronics researchers at the University of Illinois have developed a low-loss, wide-bandwidth microelectromechanical systems (MEMS) switch that can be integrated with existing technologies for high-speed electronics.

Elderly patients have a high risk of stroke within six months of a heart attack
Twenty percent of older patients who have suffered a heart attack have a one in 25 chance of being hospitalized for a stroke within six months of discharge from the hospital, according to research at Yale.

Scripps scientists find 'ignored' species play key role in ecosystem interactions
New research at Scripps Institution of Oceanography at the University of California, San Diego, has shown that in nature, size may not necessarily matter as much as we think.

Accidental overdose with Acetaminophen (Paracetamol) carries a greater risk of death
New research published in the latest issue of Critical Care shows that patients who are admitted to hospital because of accidental poisoning with acetaminophen (paracetamol) are at greater risk of liver failure and death than those whose take an overdose intentionally.

Rare fossilized tube feet suggest functional shift through time
Fleshy tube feet preserved in a rare fossil suggest an ecological shift through time, and may settle a long-standing debate about the preservation of soft parts, say paleontologists at the University of Illinois.

Mississippi and Missouri River flood levels underestimated
The current official level for the 100-year flood in downtown St.

Orgin of mysterious subterranean gases identified, says University of Toronto researcher
Evidence of gases similar to those that may have played a part in the formation of the earliest life on the planet has been found by a University of Toronto geochemist.

Antioxidant vitamins may help transplant patients
A new clinical study just published in the medical journal Lancet suggests that people who receive heart transplants, and possibly some other types of transplants or medical procedures, may get important health benefits by taking supplements of both vitamins C and E.

Hormone-rich shampoos
Can shampoo be to blame for girls reaching puberty early?

Anti-inflammatory drug fails to prevent a hereditary colon cancer
The anti-inflammatory drug sulindac may not have the colon cancer prevention properties once hoped for, say Johns Hopkins Kimmel Cancer Center researchers.

Geology and the Civil War: The Battle of Chickamauga
The Battle of Chickamauga was the second bloodiest battle of the Civil War.

Scientists to discuss climate change on Antarctic Peninsula
Scientists from around the globe will meet in New York State later this week to discuss environmental changes on the Antarctic Peninsula, the effects of a long-documented warming trend there on plants, animals and ice conditions, and whether similar conditions have existed previously over recent geological time.

Foods for Health Conference
National leaders in medicine, biotechnology, agriculture and business will explore the implications of integrating medicine and food production to benefit consumer health at a national

Child-Abuse conference features talks on filicide, terrorism, pet abuse
Experts will explore why mothers kill their children, how pets are sometimes used by abusers and how terrorism and child abuse are similar at the 21st annual UC Davis Child Abuse and Neglect Conference being held April 23-25 at the Sheraton Grand Hotel, 1230 J St., in downtown Sacramento.

The National Comprehensive Cancer Network recognizes National Cancer Fatigue Awareness Day
The National Comprehensive Cancer Network recognizes National Cancer Fatigue Awareness Day with the launch of two new supportive care guidelines: Cancer and Treatment-Related Anemia Practice Guidelines for clinicians and Cancer-Related Fatigue Treatment Guidelines for patients

Carbon nanotubes grow up, out, and in all three dimensions
Next-generation computer chips, integrated circuits, and the microelectromechanical (MEMS) devices that power them depend upon carbon nanotubes that can be grown up, down, sideways, and in all three dimensions.

Impact events' kinetic energy may be key to understanding the severity of mass extinctions
The kinetic energy created by extraterrestrial impacts may be key to linking some impacts with mass extinction events.

Sandstone formation study may help petroleum industry
Virginia Tech geological-sciences Ph.D. candidate Jason Reed is trying to determine what controls sandstone formation and how its resulting reservoir quality can aid oil and gas companies search for potential targets for exploitation.

Framework for predicting underground rock geometry may aid coal, gas companies
Jesse Korus, a graduate student in Virginia Tech's Department of Geological Sciences, is developing a framework for predicting the geometry of important rock formations below ground.

More patients would refuse treatment if the outcome were impaired quality of life
More patients would refuse life sustaining treatment if they knew the outcome would be a life of severe functional or cognitive impairment, according to a study published Thursday in the New England Journal of Medicine.

Physics tip sheet #7 - April 3, 2002
Highlights of this issue include a refutation of recent bubble fusion experiments, a model of terrorism, the changing nature of river paths and an analysis of sliding rubber friction.

World's experts to discuss policy dilemmas at International Arms Control Conference
Next month some 275 ambassadors, policy-makers, academicians, and other experts representing the United Nations, NATO, and 35 countries will gather in Albuquerque to discuss evolving US-Russia nuclear postures, nuclear proliferation fears, maturity of the US ballistic missile defense regime, much of the world uniting against terrorism, and other issues at the 12th Annual International Arms Control Conference, April 18-20.

Human ancestor Australopithecus did indeed walk upright
Were Australopithecus ancestors of humans? Among debates about these hominids is the argument whether or not they could stand and walk upright like people do.

Reusable explosive device to help law enforcement
A cheaper, less dangerous way to stun kidnappers or terrorists holding hostages has been developed by Sandia National Laboratories.
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