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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.

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

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