Two-dimensional spectroscopic method reveals details about energy-transport pathways in photosynthesis.
Charges of financial misdeeds hit beleaguered French firm.
Powdered root of water hyacinth can reduce arsenic in drinking water.
EPA releases revised guidelines for assessing the risk of carcinogens.
EPA inspector general says agency is poor manager of bioterror warning system.
Sea hare escapes lobster by squirting fake food aroma that distracts and confuses the hungry crustacean.
UN millenium report says global ecosystems are degraded, threatened by human activity.
Structure of DNA repair enzyme reveals how it finds and fixes damaged bases only.
Amylase for producing ethanol is subject of Novozymes' suit against Genencor.