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NEW ORLEANS - The creatures living in the depths of the ocean are as weird and outlandish as the creations in a Dr. Seuss book: tentacled transparent sea cucumbers, primitive "dumbos" that flap ear-like fins, and tubeworms that feed on oil deposits.

GENEVA - The world's largest atom smasher made another leap forward Monday by circulating beams of protons in opposite directions at the same time in the $10 billion machine after more than a year of repairs, organizers said.

WASHINGTON - Since the 1997 international accord to fight global warming, climate change has worsened and accelerated — beyond some of the grimmest of warnings made back then.

A child's never-ending "why's" aren't meant to exasperate parents, scientists say. Rather, the kiddy queries are genuine attempts at getting at the truth, and tots respond better to some answers than others.

If you experience impotence, instead of a little blue pill maybe you want to apply shockwaves to your privates instead.

The deep sea is teeming with thousands of species that have never known sunlight, explorers now say.

CAPE CANAVERAL, Fla. - A pair of astronauts zipped through the third and final spacewalk of their mission Monday, installing an enormous oxygen tank at the International Space Station and accomplishing everything else on their list.

That tuna in your sushi might be an endangered species, a new study finds.

GENEVA (AFP) - Flooding in the world's major port cities caused by melting icecaps could cause up to 28 trillion dollars (18 trillion euros) in damage in 2050, environmental group WWF said in a report Monday.

We all know dogs like to smell just about everything, including other animals' poo. Now scientists have figured out how to put the canines' odd pastimes to work to help sniff out the dung of endangered rhinos in Vietnam.

Winston Churchill once predicted that it would be possible to grow chicken breasts and wings more efficiently without having to keep an actual chicken. And in fact scientists have since figured out how to grow tiny nuggets of lab meat and say it will one day be possible to produce steaks in vats, sans any livestock.

It may be the mother lode of all bad timing: Atlantis shuttle astronaut Randy Bresnik is stuck at the International Space Station, hundreds of miles from his pregnant wife Rebecca, who is expected to give birth to a baby girl as early as today.

KONSTANTINOVKA, Ukraine - Vladimir Gapor is a plumber by trade, but now he's a scavenger, prying bits of scrap steel from the ruins of his old factory and selling them for a pittance.

Humans can be difficult enough patients, but try a 300-pound gorilla.

LONDON - A leading climate change scientist whose private e-mails are included in thousands of documents that were stolen by hackers and posted online said Sunday the leaks may have been aimed at undermining next month's global climate summit in Denmark.

GENEVA (Reuters) - Scientists could begin garnering information on the origins of the universe in the coming months as the world's biggest particle collider starts moving to full power next year, a project leader said Monday.

HARRISBURG, Pa. - Radioactive dust unexpectedly blew out of a pipe being cut by workers during weekend maintenance at the Three Mile Island nuclear power plant, and officials on Monday were trying to determine exactly how and why it happened.

RYLSTONE, Australia (AFP) - Australian firefighters battled to contain scores of blazes in the country's southeast on Monday as a sharp drop in temperatures eased fears for dozens of threatened homes.

PARIS (AFP) - The East Antarctic icesheet, once seen as largely unaffected by global warming, has lost billions of tonnes of ice since 2006 and could boost sea levels in the future, according to a new study.

WASHINGTON (AFP) - Thousands of animal species thrive in the ocean depths beyond the reach of sunlight, between 200 to 5,000 meters below the surface, an international team of scientists has reported after nearly 10 years of research.

DALI, China (AFP) - In the mountains above the southwestern Chinese town of Dali, dozens of new wind turbines dot the landscape -- a symbol of the country's sky-high ambitions for clean, green energy.

WASHINGTON (Reuters) - Federal officials are investigating a radiation leak at Three Mile Island, scene of the worst U.S. nuclear power accident, but said on Sunday there was no threat to public health or safety.

It's no secret to students that coed dorms are more fun than same-sex dorms. But they can also fuel very unhealthy behavior that might otherwise be moderated.

SHANGHAI - Praxair Inc.'s Chinese unit has signed a multiyear agreement to sell gases that MAGI Solar Energy Technology Co. will use to make solar cells and modules, Praxair announced Monday.

OSLO (AFP) - After wind, sun, currents and tides, a company is preparing to make clean electricity by harnessing another natural phenomenon, the energy-unleashing encounter of freshwater and seawater.

Robot spy planes are harnessing alternative energy to make them more covert and longer lasting than ever.

TOKYO (AFP) - Japanese marine researchers said on Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.

Texting long messages can be a pain in the neck - literally.

Grandma doesn't spend much time online - but she would be better off if she did, researchers agree.

Some obese individuals don't realize they have a weight problem, a new study finds. That could be an unhealthy attitude as these same people tend not to exercise and have many risk factors for cardiovascular disease.