
British scientists have decoded the genetic sequence of wheat _ one of the world's oldest and most important crops _ a development they hope could help the global staple meet the challenges of climate change, disease and population growth.

Hollywood producer James Cameron has the Midas touch when it comes to the silver screen, but his grasp on his favorite subject, the environment, is less confident than it once was. A debate between Mr. Cameron and climate realists set to take place last weekend at the American Renewable Energy Day conference in Aspen, Colo., was canceled after Mr. Cameron pulled out at the last minute.

Pakistani officials urged anyone left in three southern towns Thursday to evacuate immediately as floodwaters broke through a levee, endangering areas previously untouched by the country's almost monthlong disaster.

The Taliban hinted Thursday they may launch attacks against foreigners helping Pakistan respond to the worst floods in the country's history, saying their presence was "unacceptable." The United Nations said it would not be deterred by threats of violence.
Scientists say the lack of solar activity is causing one of the highest layers of the atmosphere to shrink.

Scientists using cutting-edge technology to explore waters off Indonesia were wowed by colorful and diverse images of marine life on the ocean floor _ including plate-sized sea spiders and flower-like sponges that appear to be carnivorous.

One of the world's tiniest frogs _ barely larger than a pea _ has been found living in and around carnivorous plants on Borneo island, one of the scientists who made the accidental discovery said Thursday.

Dinosaur fossils, including a rib more than 9 feet long from a species of the long-necked titanosaur family, are making their North American debut Friday at a Cincinnati museum.
Dinosaur fossils discovered in a Chinese province are making their U.S. debut at an Ohio museum.