Brightsurf Science News & Current Events

August 14, 2001
New NASA satellite sensor and field experiment shows aerosols cool the surface but warm the atmosphere
New research based upon NASA satellite data and a multi-national field experiment shows that black carbon aerosol pollution produced by humans can impact global climate as well as seasonal cycles of rainfall.

Congratulations, it's a soy!: Penn researchers take a long-term look at the safety of soy-based infant formula
Can phytoestrogens in soy infant formula cause physical and sexual developmental problems in children later in life?

Mercury at bottom of central park lake linked to coal burning in NYC
- While the debate rages over the future of the nation's energy resources, including the potential increase in the number of coal-burning power plants, researchers at Rensselaer Polytechnic Institute have linked coal plant emissions to toxic levels of mercury.

Gun owners more likely to distrust the federal government
A nationwide study confirms the notion that people who own guns are more likely than others to have little confidence in the federal government.

HIV infection from receptive oral sex is a rare event, UCSF study confirms
A study by researchers from UCSF's Center for AIDS Prevention Studies (CAPS) found the probability of HIV infection through unprotected receptive oral sex with a man to be statistically estimated as zero.

Early age of first drink likely symptom, not cause, of alcoholism
Early drinking is likely not the cause of alcoholism, but rather a symptom of an underlying predisposition to alcoholism and other behavioral problems.

Negative perception of NRA, controversial organizations helps many maintain a positive identity, says O.R. study
Many Americans identify themselves less by the groups they support than by controversial organizations, like the National Rifle Association, which they reject, according to a study published in a journal of the Institute for Operations Research and the Management Sciences (INFORMSĀ®).

Study: Deregulated utilities must change marketing tactics
Electric utilities will have to change the way they market themselves to keep pace with deregulation, according to an Ohio State University professor.

Quality Web-based genetics information needed for patients and physicians
There is an ongoing need for improved quality educational material related to genetic topics on the Internet for both the public and physicians, according to two articles and an editorial in the current Mayo Clinic Proceedings.

Rewards coupled with naltrexone effective in treating heroin and other opioid addictions
Rewarding drug users with vouchers that they exchange for food, clothing, or, as one did, a robe for singing in a church choir, was effective in keeping patients drug free and on a medication regimen, according to research at Yale University.

Uncovering tumors, hidden subs, and cracks in airplanes using math
Four researchers at Rensselaer Polytechnic Institute have received a $1 million grant from the National Science Foundation to solve a range of problems - including using the elastic properties of tissue to detect tumors in the human body - with a branch of mathematics known as inverse problems.

Dancing around the Black Hole
Supermassive black holes are present at the centres of many galaxies; some are hundreds of millions times heavier than the Sun.

The medium and the message: Eyes and ears understand differently, Carnegie Mellon scientists report in the journal Human Brain Mapping
A new study by Carnegie Mellon University scientists shows that because of the way the brain works, we understand spoken and written language differently, something that has potential implications in the workplace and in education, among many other areas.

Home care from advanced practice nurses key to better health for at-risk pregnant mothers and their infants - at reduced costs to the healthcare system
Study findings show that a prenatal care intervention in the home delivered by nurse specialists with master's degrees can reduce infant mortality, improve maternal and infant health, and lower healthcare costs.

Yale researchers discover a genetic cause of high blood pressure
Researchers at Yale studying a rare inherited form of hypertension have discovered mutations in two different genes that can cause this disease, clearing the way for new medications to treat both the rare and common forms of high blood pressure.

Neuron by neuron, Penn researchers study brain cells' attempts to heal themselves after severe injuries
Researchers at the University of Pennsylvania have won a $3.1 million bioengineering research grant to study brain injuries at a level of detail never before attained.

NIAID researchers identify HIV-induced changes in B cells
In a study released today, NIAID researchers have identified specific alterations that occur in B cells when HIV levels are high--changes that disappear when patients are treated with antiretroviral drugs.

Food allergy reactions in schools: Improvements needed to reduce and respond
Parents, add this to your back-to-school to-do list: meet with teachers to discuss food allergies.

NHLBI-funded emphysema study finds certain patients at high risk for death following lung surgery
For the first time, researchers have identified criteria that characterize emphysema patients who are at high risk of death from lung volume reduction surgery (LVRS) -- a potential treatment for advanced emphysema -- according to early results from the National Emphysema Treatment Trial (NETT).

Alcohol, women and pregnancy
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