Reuters - The sun-drenched beaches of southeast Florida lure tourists from all over the world. But few of them may realize that a torrent of human waste is dumped silently every day into the seemingly pristine waters offshore.

AFP - White House hopeful Hillary Clinton on Tuesday beat her Democratic rival Barack Obama in the pivotal Pennsylvania primary, US networks said.

AP - Suzanne Kreuziger is a registered nurse who uses e-mail almost exclusively to communicate with friends. But when it comes to reaching her doctor, there's a frustrating firewall.

AP - Hillary Rodham Clinton survived yet another day.

AP - The 13-year-old son of Tom Cruise is following in his father's footsteps.

AP - Ration cards. Genetically modified crops. The end of pile-it-high, sell-it-cheap supermarkets.

AP - Yahoo Inc. delivered first-quarter results that eclipsed analysts' modest expectations, but the performance did little to support the Internet pioneer's demands for software maker Microsoft Corp. to raise its takeover bid above $45 billion.

Reuters - The wars in Iraq and Afghanistan will cost the United States less than the $170 billion estimate given earlier this year by Defense Secretary Robert Gates, the Pentagon's budget chief said on Tuesday.

Reuters - The United States arrested an 84-year-old American on Tuesday suspected of giving Israel secrets on nuclear weapons, fighter jets and missiles in the 1980s, in a case linked to the Jonathan Pollard spy scandal that rocked U.S.-Israeli relations.

Reuters - Cuba launched a blistering attack on the wives of imprisoned dissidents on Tuesday, accusing them of working with its arch-enemy, the United States, to subvert one-party socialist rule.