US intelligence aided in locating Oseguera's compound Trump urges Mexico to intensify efforts against cartels Tourism and airlines hit by unrest, economic impact feared MEXICO CITY, Feb 23 (Reuters) - ...

Matrix metalloproteinases (MMPs) were discovered because of their role in amphibian metamorphosis, yet they have attracted more attention because of their roles in disease. Recent work has highlighted ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

WASHINGTON, Feb 22 (Reuters) - (This Feb 22 story has been corrected to change Oseguera's age to 59, not 60, in paragraph 9) A new U.S.-military-led task force specializing in intelligence collection ...