Brightsurf Science News & Current Events

September 09, 1998
Very Low Levels Of Estrogen May Effectively Prevent Fractures In Women Without Causing Negative Effects
In a recent University of California San Francisco study, researchers found that very low levels of estrogen--much lower than women currently achieve from taking hormone supplements--may prevent bone fractures in postmenopausal women without causing adverse effects associated with estrogen therapies, such as uterine cancer and bleeding.

NIEHS Finds Protein That Counteracts Inflammation And Wasting That May Target Rheumatoid Arthritis And Crohn's Disease
Scientists at NIEHS have identified a protein which may help in the quest for drugs to fight inflammatory diseases including rheumatoid arthritis, Crohn's disease, physical wasting, and graft-versus-host disease.

University Of California-San Francisco (UCSF) Translational Symposium, September 10, To Focus On HIV Breakthrough And Immune Function
UCSF will sponsor its 4th Annual Translational Research Symposium for HIV investigators on Thursday, September 10.

Evidence Mounts Against Maintstream Dogma In Embryology, Could Shed New Light On Neurological Defects
Scientists from the Carnegie Institution, Vanderbilt University, and the National University of Singapore report new evidence suggesting that the cyclops gene plays a critical role in floor plate development, and that the floor plate starts developing earlier than was thought.

Radio Controlled Aircraft To Sniff Out Biowar Bacteria
A small radio-controlled aircraft could soon be monitoring the air for signs of biological weapons.

September/October 1998 Table Of Contents
The September/October 1998 issue of Public Health Reports includes John Bruer's critique on current theories about the brain and child development, and Christine Oliver's comprehensive article on the scope of the effects of indoor air contaminants on the public's health and what we can do about it.

Distant Spacecraft Seem To Be Showing No Respect For The Laws Of Physics
Spacecraft hurtling through the Solar System have been behaving so bizarrely that some scientists are wondering whether our theories of gravity are wrong.

Primary Care Doctors, Subspecialists Disagree On Value Of 'Curbside Consults'
Primary care physicians frequently call or talk to subspecialists for advice about their patients rather than making a formal referral.

State Estimates Of Total Medical Expenditures Attributable To Cigarette Smoking, 1993
The total medical cost of smoking in the US amounted to an astounding $72.7 billion in 1993.

An Inert Gas Will Keep A Spacecraft In Orbit For 25 Years
Today's satellites have a working life of around 10 years before they need to be replaced.

A First In American Psychiatry
A new partnership will consolidate resources of the University of Kentucky (UK) College of Medicine's department of psychiatry, UK Hospital and Charter Ridge Behavioral Health System-into the Behavioral Healthcare Alliance.

Progestin May Prevent Ovarian Cancers By Triggering Death Of Damaged Ovarian Cells
Researchers at Duke University Medical Center report animal studies that may explain for the first time why oral contraceptives offer protection against ovarian cancer.

Engineers Designing Smart Buildings To React To Shakes And Quakes
Earthquakes, windstorms, traffic and explosives cause motion that can be catastrophic to buildings or bridges.

Nanofabrication Facility To Celebrate 20th Anniversary Sept.16-18
The Cornell Nanofabrication Facility (CNF) will celebrate its 20th anniversary with a symposium, annual meeting and career fair, Sept.

USGS Geologists Probe Fault In Mongolia -- Follow Them On The Web
Scientists from the U.S. Geological Survey, the Utah Geological Survey, Arizona State University and Cambridge University begin the work of digging a trench into the face of the Bulnay fault in northwestern Mongolia to learn more about great ruptures on the Bulnay fault that have occurred in the 20th century and compare those ruptures with what is known about the 1811-1812

Results Of Simplified Screening For Chlamydia in Female Military Recruits Suggest Testing For All Sexually Active Young Women
A study published in the Sept. 10, 1998, issue of The New England Journal of Medicine suggests that age is the best criterion on which to base a screening program for chlamydial infection in women military recruits.

Researchers Identify How AIDS Virus Kills Cells It Doesn't Infect
Scientists in Texas, California and New York believe they have solved part of the mystery of how the human immunodeficiency virus (HIV) can kill cells it doesn't infect--and thereby prompt the downward spiral that results in AIDS.

Effects Of Maine's 0.05% Legal Blood Alcohol Level For Drivers With DWI Convictions
In the six-year period after the state of Maine reduced the legal blood alcohol limit (BAL) from 0.10% to 0.05% for people with prior DWI (driving while intoxicated) convictions, the proportion of fatal car crashes involving such drivers was reduced by 25% in comparison to the six-year period prior to the law's adoption.

Adaptation's Basis May Be A Mix Of Genetic Tweaks, Whoppers
An evolutionary biologist at the University of Rochester has put forth a new theory on the genetic foundations of adaptation, suggesting that organisms can evolve through a mix of many minute genetic tweaks, a lesser number of moderate changes, and a few major mutations.
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