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Science News for December 5, 1997


Too Much Of A Good Thing

Research suggests that high levels of IgE type antibodies can cause an overactive immune response, leading to cerebral malaria. The study found a genetic link between IgE production and the production of TNF, which can be beneficial but also deadly in excessive amounts.

SourceBritish Society For Immunology·DateDec 5, 1997

Biodiversity Worth $2.9 Trillion

A new study by Cornell University estimates that biodiversity provides $2.9 trillion in economic and environmental benefits globally. In the United States alone, the value is estimated at $319 billion. The research highlights the importance of preserving biodiversity and maintaining ecosystem integrity for human well-being.

SourceCornell University·JournalBioScience·DateDec 5, 1997
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Natural Variability Is Key To River Restoration

A six-university panel of river experts suggests that restoring a river's natural flow regime is crucial for maintaining ecological integrity. By allowing rivers to repair and maintain themselves, scientists can enhance different portions of the flow regime through changes to dams and water-use operations.

SourceCornell University·JournalBioScience·DateDec 5, 1997

Hopkins Researchers Closing In On Manic-Depressive Gene

Scientists have confirmed a genetic connection to bipolar disorder by locating a gene on the long arm of human chromosome 18. This finding strengthens earlier research and could lead to better treatments and tests for the condition.

SourceJohns Hopkins Medicine·JournalAmerican Journal of Human Genetics·DateDec 5, 1997

Promising Fatty Acid Research Leads To MS Clinical Trial

Researchers have found that fatty acids from various plants and fungi can prevent MS-like symptoms in animal models. Dr Harbige's team thinks certain fatty acids work by dampening the immune system's damaging effects, but more rigorous clinical trials are needed to confirm.

SourceBritish Society For Immunology·DateDec 5, 1997

Food Fortification Plan Likely To Reduce Birth Defects Risks

Researchers found that 100 micrograms of folic acid can prevent up to 22% of neural tube defects, while 200 micrograms can prevent most NTDs. The study suggests that increasing folic acid levels in grains could help reduce birth defect risks.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalThe Lancet·DateDec 5, 1997
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Science Magazine And Amersham Pharmacia Biotech Honor Young Biologists

The winners, Christine Jacobs, James E. Brownell, Georg Halder, and Mitsuharu Hattori, have made groundbreaking discoveries in bacterial resistance, genetic function regulation, eye development, and brain development research. They will receive $5,000 each plus a grand prize of $20,000.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateDec 5, 1997

Transplants In The Womb Can Cure Blood Diseases

A new procedure called in utero stem cell transplantation has shown promise in treating genetic disorders such as sickle cell anaemia and thalassaemia. The technique involves transplanting primitive blood forming cells into an affected fetus, which can cure the disease before damage occurs.

SourceBritish Society For Immunology·DateDec 5, 1997

Emerging Technology Used To Detect Cancer And Infections

Researchers at the University of Michigan found that dedicated PET scanners are significantly more accurate than dual-head coincidence cameras in detecting cancer. They also showed that PET can diagnose infections in just an hour or less, compared to days with conventional tests.

SourceUniversity of Michigan·DateDec 5, 1997

Seafood On The Menu For Rheumatoid Arthritis Sufferers

A diet rich in seafood, particularly eicosapentaenoic acid, has been shown to reduce the production of leukotriene B4, a molecule that promotes inflammation in rheumatoid arthritis patients. This reduction leads to less inflammatory effects and a decrease in neutrophil migration and release of damaging molecules.

SourceBritish Society For Immunology·DateDec 5, 1997

Women Say Overwhelming Yes To Ultrasound In New Study

A new study conducted at the University of Michigan found that 95% of pregnant women surveyed thought an ultrasound was important for their normal, healthy pregnancies. The survey also revealed that women would pay out of pocket for a routine ultrasound exam and felt it was very important to see their baby.

SourceUniversity of Michigan·DateDec 5, 1997
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.