AP - With a new storm threatening to cause chaos in New Orleans all over again, a horse-drawn carriage brought the last seven unclaimed bodies of Hurricane Katrina victims for entombment at a memorial site on Friday during ceremonies marking the disaster's third anniversary.

LiveScience.com - On the third anniversary of Hurricane Katrina's devastating landfall in New Orleans, residents all along the U.S. coastline today cast a wary eye out to Tropical Storms Gustav and Hanna, both predicted to ramp up to hurricane strength and possibly strike the United States early next week. The 2005 season - the busiest season on record - was an obvious wake-up call for emergency officials and coastal residents. Yet three years later, fears linger that history will repeat. ...

AFP - Tropical Storm Gustav battered Jamaica on Friday, dumping rain and ripping roofs off homes and threatened to grow into a hurricane after leaving 59 people dead in Haiti and the Dominican Republic.

Reuters - Jamaicans deserted the streets and government offices closed as a strengthening Tropical Storm Gustav took aim at the island on Thursday on a path toward the Gulf of Mexico oil fields as a powerful hurricane.

AP - Talk about an extreme makeover: Scientists have transformed one type of cell into another in living mice, a big step toward the goal of growing replacement tissues to treat a variety of diseases.

AFP - Scientists have used gene therapy on mouse embryos to grow hair cells with the potential to reduce hearing loss in adult animals, according to a study released Wednesday.

AFP - The Arctic ice cap keeps melting under the effects of global warming and in August saw its second largest summer shrinkage since satellite observations began 30 years ago, US scientists said.

AFP - Tens of thousands of people have fled to safer areas but more than a million were still trapped in floods after a river changed its course due to heavy rains, an official said Thursday.