The Obama administration called Thursday for a comprehensive national system for regulating the use of federal waters along the nation

The Obama administration

Defying the expectations of experts, clinical trials are showing that the new H1N1 swine flu vaccine protects with only one dose instead of two, so the vaccine supplies now being made will go twice as far as had been predicted.

As oil and gas companies press to tap new deposits in remote places, scientists are trying to gauge and limit the ecological impact of pipes and other structures in otherwise wild lands.

The rare Arakan forest turtle, once thought to be extinct, has been rediscovered in a remote forest in Myanmar, researchers said Monday. A Texas researcher, Steven Platt, and staff of the New York-based Wildlife Conservation Society discovered five of the brown-and-tan-spotted turtles in May during a survey of wildlife in the Rakhine Yoma Elephant Sanctuary.

Japan

The sun somehow feels closer here, more intense, more personal. As Philip Lolua waits under a tree for a scoop of food, heat waves dance up from the desert floor, blurring the dead animal carcasses sprawled in front of him.

North Korea unleashed walls of water from one or more of its dams on Sunday, sending a flash flood roaring through the heavily armed border with South Korea and sweeping away six South Koreans, officials in Seoul said.

Two teams of European scientists say they have discovered new genetic variants associated with Alzheimer

Rescue workers on Friday pulled several bodies from the rubble of a giant landslide, lifting the death toll from a powerful earthquake to 64. Dozens more people were still missing and feared dead. The number of houses recorded as destroyed or damaged in Wednesday