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Prawns will rub themselves when dabbed with acid. And hermit crabs show stress-related behavior after getting shocked out of their shells. Now scientists find that British shore crabs can learn to avoid an electric shock — a key sign that crustaceans really do experience pain.

Leafy, tony Greenwich, Conn., feels a world apart from nearby Bridgeport, where unemployment and crime levels have soared as industry has declined. The vast differences in wealth in these two Fairfield County towns reflect a level of income inequality that's among the nation's highest.

The conclusion from anti-doping authorities that Armstrong used performance-enhancing drugs have led the International Olympics Committee to strip him of the medal he won at the 2000 Games in Sydney. Meanwhile, tonight, Oprah Winfrey airs Part 1 of Armstrong's reported confessional.

Chemotherapy wreaks havoc on the taste buds, which can be a real challenge for anyone who loves food. But there are a few things you can do to maximize your food enjoyment while in cancer treatment.

The Scottish singer-songwriter performed at the Olympics in 2012, and her debut album Our Version of Events sold more copies than any other in the U.K. Emeli Sande performs for host Michel Martin and chats about her whirlwind success.

The president's push to address gun violence and mental health centers largely on training teachers and others who work with children, teens and young adults to recognize illness as it's developing.

For fashion designers, catching the eye of a first lady can be the opportunity of a lifetime. But sometimes the attention isn't all that it's cracked up to be. Host Michel Martin speaks with fashion critic Robin Givhan about the agony and ecstasy of creating inaugural gowns.

Researchers were able to identify 50 people whose DNA had been posted anonymously on the Internet for genetics studies. The results highlight a trade-off in making genetic data widely available for researchers and protecting personal privacy.

The teachers say the test, which evaluates their performance as well as the students', is a waste of time. The district is planning review of the test's effectiveness but still expects that it will be administered. As protests against standardized tests percolate nationwide, Seattle may cause a greater ripple effect.

New technology is getting us closer and closer to the point where cars will drive themselves. Automakers are testing and refining systems that will make this happen. But our love for control may keep us from riding in these cars anytime soon.