News
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Health & MedicineRetail meats host drug-resistant bacteria
Three studies appear to tie livestock growth promoters to risk of serious human disease.
By Janet Raloff -
EarthLowland tree loss threatens cloud forests
Changes in regional climate brought about by large-scale deforestation in the eastern lowlands of Central America are affecting weather in the mountains downwind, imperiling ecosystems there.
By Sid Perkins -
PaleontologyLemurs reveal clues to ancient Asian roots
A diminutive lemur species inhabited what is now central Pakistan about 30 million years ago, a new fossil find suggests.
By Bruce Bower -
ChemistryNobel recognizes three for handy chemistry
The 2001 Nobel Prize in Chemistry honors research that led to new chemicals, materials, and drugs, including widely used heart medicines.