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Scientists unsure what explains rise in asthma, but say doctors and patients can do more to control dangerous respiratory disorder

Inhalers can help people with asthma, but avoiding common triggers is essential

A health clinic that catered to porn stars in the San Fernando Valley has closed following a series of recent controversies, including complaints from an HIV-infected actor that he received inadequate care.

NEW YORK -- Japanese automaker Nissan will replace Ford as supplier of New York City's iconic yellow taxicabs as this city abandons its earlier goal of having an all-hybrid cab fleet, after being twice thwarted by federal courts. But the deal with Nissan will allow the city to launch a pilot test next year to determine whether having all cabs as electric vehicles at some point in the future is an option it could pursue instead. [More]

People with cerebral palsy may drool or have movement problems, but not all are mentally impaired

CAMBRIDGE, Mass.--The last symposium in MIT's 150-day celebration of its 150th anniversary (who ever said that geeks don't like ritual?) is devoted to the question: "Whatever happened to AI?" Of course, that is a particularly appropriate self-introspection for MIT because a lot of artificial intelligence action occurred there during the past 50 years.

An endangered New Zealand parrot known as the kaka ( Nestor meridionalis ) has had a much-needed population boost after poisons were used to kill introduced possums, stoats and rodents in Waitutu Forest Common brush-tailed possums ( Trichosurus vulpecula ) were introduced to New Zealand from Australia in 1870 for their fur and meat, but they overran the islands, threatening the country's native fauna, which evolved without any mammalian predators. A survey six years ago indicated that so many female kaka were being killed by possums that the birds were at risk of extinction in Waitutu Forest. [More]

By David Cyranoski of Nature magazine The International Space Station (ISS) is just one space-shuttle flight away from completion, but the construction boom in low-Earth orbit looks set to continue for at least another decade. [More]

PGT: Tiger Woods won't set a specific return date, but says he'll be back for the U.S.

East Haven, Conn. mayor gives kidney to friend on social network after urgent plea posted on wall

Your next hotel stay doesn’t have to break the bank, thanks to Travel+Leisure’s list of the best affordable hotels.

Scientists say obese people less satisfied with sex - and say doctors can do more to address obese patients' sexual concerns

New study finds people with low sodium diets at higher risk for heart attacks

Michelle Miller reports on the story of East Haven, Conn. Mayor April Capone and how she donated a kidney to one of her constituents after learning about it on Facebook. Then, Erica Hill talks to Dr

The U.S. Coast Guard planned to resume an aerial search Wednesday for a woman who went missing from a cruise ship somewhere between San Diego and Cabo San Lucas, Mexico.