(AP) -- T-Mobile USA is updating its Sidekick cell phones, adding a high-end model and the first Motorola-built entry in the line of quirky gadgets with a screen that swivels to reveal a keyboard.

(AP) -- A meat company is voluntarily recalling some of its hamburgers after a cluster of illnesses in the Northeast caused by E. coli bacteria, officials said Tuesday.

(AP) -- Sprint Nextel Corp. has proposed paying $57.5 million to settle a class-action lawsuit claiming it robbed billions of dollars from shareholders when it combined two tracking stocks in early 2004.

(AP) -- The Smithsonian Institution's museum dedicated to black history and culture launches this week with an interactive Web site - long before its building opens for visitors on the National Mall.

(AP) -- A large swath of coastal land has been secured by a U.S. conservation group, paving the way for the biggest expansion of the U.S. Virgin Islands National Park since it was created more than 50 years ago.

World Wildlife Fund scientists said today that the discovery of 11 new animal and plant species in a remote area in central Vietnam underscores the importance of conservation efforts in the ancient tropical forests of the region.

Consuming large amounts of caffeine while taking acetaminophen, one of the most widely used painkillers in the United States, could potentially cause liver damage, according to a preliminary laboratory study reported in the Oct. 15 print issue of ACS` Chemical Research in Toxicology, a monthly journal.

Melting icecaps and ‘climate chaos` have put climate change at the top of the agenda for the UN General Assembly`s meeting this week. The meeting is a precursor to the November meeting in Bali where leaders will try to agree on a successor to the Kyoto Protocol.

(AP) -- Hackers stole millions of credit card numbers from discount retailer TJX Cos. by intercepting wireless transfers of customer information at two Miami-area Marshalls stores, according to an eight-month investigation by the Canadian government.

The National Aeronautics and Space Administration has selected 17 space radiation projects by U.S. researchers for development.

Archaeologists in northern Iran have uncovered the remains of a 124-mile-long wall, the second longest such structure in Asia after the Great Wall of China.

A British Broadcasting Corp. poll finds 79 percent of people in 21 nations believe human activity causes global warming.

Space shuttle Discovery has been attached to its external fuel tank and rocket boosters in preparation for its launch from Cape Canaveral, Fla.

(AP) -- Federal wildlife officials released a long-range plan Monday for removing a tiny bird that nests on West Coast beaches from Endangered Species Act protections by 2047 with the help of volunteers from the Audubon Society, the Boy Scouts and other nonprofit groups.

(AP) -- Forget e-mail. How about space mail? In an experiment combining elements of a package delivery service, the sport of kite surfing and a REALLY big fishing reel, Russian and European engineers on Tuesday sought to pioneer a technology that could be used in the future to retrieve cargo from space.

(AP) -- AT&T Inc. has suspended a service allowing parents to put limits on when their children's cell phones can be used because it could restrict return calls from 911 operators.

Harvard physicists have shown that specially treated diamond coatings can keep water frozen at body temperature, a finding that may have applications in future medical implants.

A team of researchers working with UQ's Queensland Brain Institute (QBI) has discovered more compelling evidence that attention-deficit disorder in young boys is substantially attributable to brain development.

Four college students have devised a way to use a cluster of Sony PLAYSTATION3 video game consoles, for large-scale modeling of the human brain. Their design won them first place - and $10,000 - in IBM`s Cell Broadband Engine (Cell/B.E.) Processor University Challenge.

Eating fruits and vegetables was not strongly associated with decreased colon cancer risk, according to a study published online in the September 25 Journal of the National Cancer Institute.

(AP) -- The treatment that more cancer patients receive may one day depend on their genes. With an increasing number of biological clues available, doctors hope they will be able to customize more patients' treatments based on their genetic profiles.

Using a tether system devised by MIT researchers, astronauts could one day stroll across the surface of small asteroids, collecting samples and otherwise exploring these rocks in space without floating away.

A new NASA-supported study reports that 2007 marked an overall rise in the melting trend over the entire Greenland ice sheet and, remarkably, melting in high-altitude areas was greater than ever at 150 percent more than average. In fact, the amount of snow that has melted this year over Greenland could cover the surface size of the U.S. more than twice.

Launch and flight teams are in final preparations for the planned Sept. 27 liftoff from Pad 17-B at Cape Canaveral Air Force Station, Fla., of NASA's Dawn mission. The Dawn spacecraft will venture into the heart of the asteroid belt, where it will document in exceptional detail the mammoth rocky asteroid Vesta, and then, the even bigger icy dwarf planet Ceres.