News
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Health & MedicineCell transplants make gains versus diabetes
Transplanting insulin-making cells from a single cadaver into people with type 1 diabetes can reverse the disease in some people.
By Nathan Seppa -
EarthWinged solution to biopollution?
Government officials have released alien moths in hopes that they will rein in the spread of an aggressive climbing fern now invading some 100,000 acres in south Florida.
By Janet Raloff -
Healing secret lies in blood
An unknown factor in blood may be the key to why young people and animals heal much faster than old ones do.
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EcosystemsReturn of the Wetlands? Restoration possible for some Iraqi marshes
Field studies conducted in Iraq last year suggest that some of the region's ecologically devastated marshes could be returned to health.