Brightsurf Science News & Current Events

March 24, 1999
New Polyester Products Perform Better And Are Easy To Recycle
New polyesters can improve the way your soda pop tastes and the way your computer is designed, says Timothy E.

Molecular Modeling Expands Chemistry Students' Experiences
How to teach today's chemistry student more without adding a class or diluting current offerings?

You Don't Need To Make Sperm Or Even Be Alive To Be A Father
Last week, for the first time, sperm taken from a dead man resulted in a human birth.

National Study Suggests Heart Attack Severity May Be Declining
ORLANDO, Fla., The severity of heart attacks in the United States is apparently declining, a Wake Forest University School of Medicine researcher told the American Heart Association today.

Modeling Ocean Floor Spreading In Tub Of Wax
Eberhard Bodenschatz watches 100 million years of geological time pass in an hour.

USS HAWKBILL In Transit To Arctic Ocean For SCICEX 99
The USS HAWKBILL got underway on March 18 to conduct SCICEX 99, the fifth science expedition to the Arctic Ocean.

Debilitating Body Image Disorder Often Begins In Teens; Likely To Be Missed
A new study of 33 children and adolescents with body dysmorphic disorder - the largest study ever conducted on this age group - found subjects dropping out of school, becoming reclusive and attempting suicide.

Old Photographic Technique Applied To Future Energy Research
The Astrophysics Branch in the Space Sciences Laboratory at NASA's Marshall Space Flight Center is providing photographic emulsions for use in detectors inside the petawatt laser facility at Lawrence Livermore National Laboratory in Livermore, Calif.

Radar Data Will Help Scientists In Their Quest To Pinpoint Climate Change
Scientists from the University of Washington and the British Antarctic Survey explain in the March 25 issue of Nature how they successfully used ground-penetrating radar to show the precise location for each layer of glacial ice, a key to correctly interpreting ice cores to glean climate data.

Understanding Molecular Self-Assembly Opens Door For New Sources Of Wood-Like Materials
Virginia Tech wood science and forest products professor Wolfgang Glasser will present examples of self-organizing cellwall-like polymers, including several cellulose derivatives and lignins, in a paper being presented at the 217th American Chemical Society National Meeting.

Penn Researchers Find Chemoembolization Effective For Liver Tumors
A Phase-II study performed by a team of researchers at the University of Pennsylvania Medical Center has found that a minimally invasive technique known as chemoembolization may double the survival time of adult patients with colon cancer that has spread to the liver.

Hold The Salt: Gene May Explain African Americans' Extra Sensitivity To Salt, Leading To High Blood Pressure
Having a particular gene may make African Americans much more sensitive to salt, thereby increasing their risk of developing high blood pressure, according to a new report presented here today at the American Heart Association's epidemiology and prevention meeting.

Atlanta An "Urban Heat Island," With Higher Temperatures Than Surrounding Area, New NASA Study Shows
ATHENS, Ga. - Atlanta, Georgia, is an island unto itself - an

Simulation Reveals Very First Stars That Formed In The Universe
Astronomers say they have turned back the hands of time and taken a look at the earliest structures that formed in the universe.

Improved Fitness Lowers Mortality Risk Of Male Heart-Attack Survivors
ORLANDO, Fla., Increasing fitness, not merely enrolling in an exercise program, appears to help men live longer following a heart attack, the first long-term follow-up study of participants in the National Exercise and Heart Disease Project (NEHDP) has shown.

"Smart" Fire-Resistant Polymers Under Study For Use In Aircraft
Research into new polymers targeted for aircraft safety shows that they are much more fire-resistant than current materials and, when heated, actually produce water vapor and leave a nearly nonflammable residue.

Cold Burn Takes Sting Out Of Bioweapons
Bleaches or chemicals used to clean sensitive electronics contaminated with biowarfare agents, often damage the equipment.

Should Doctors Urge Patients To Take Breaks From Their Drugs?
HIV-infected people may benefit if they take repeated
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