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From China's Yellow Sea to the Great Lakes to the Gulf of Mexico, agricultural waste in the water system is fueling spectacular algae blooms. The masses of slime cause dead zones in the water and major losses in tourism revenue in affected towns. But the algae fight doesn't begin at the water's edge; it starts in the fields and pastures.

From human growth hormone to EPO, many sports doping products these days come from big drug companies, not rogue chemists. Scientists and body builders warn that new drugs being developed to treat muscle wasting disease will also likely be abused by athletes — with little chance of detection.

In the wake of Hurricane Sandy, libraries in New York helped storm victims find documents, fill out forms, connect to the Internet and plan how to rebuild. There's a growing awareness of the important role libraries can play in disaster relief.

"It just didn't fit," former county sheriff Mark John says of what he saw after coming upon James Lee DiMaggio and missing teen Hannah Anderson in Idaho's rugged backcountry. The two didn't seem to be prepared for the wilderness. After John alerted police, FBI agents moved in. DiMaggio was killed.

A Tennessee judge has ordered a baby's name to be changed from Messiah to Martin, after the boy's parents went to court to fight over their son's last name. The boy's mother says she was shocked by the decision, and that she'll appeal the order to rename her baby.

At the Missouri State Fair, a crowd was worked up by the sight of "Obama" being chased by a raging bull. It felt "like some kind of Klan rally," a spectator says.

Congo-born Cecile Kyenge's appointment in April as integration minister was hailed as a landmark for diversity. Instead, the mood of racial progress in Italy has suffered. The debate highlights growing intolerance and what the prime minister has called a shameful chapter for the country.

There hasn't been this much hype for a new technological advancement since the Segway was unveiled in 2001. Musk says his vehicle could make a trip from San Francisco to Los Angeles in 30 minutes.

When the design company Paul Frank threw a powwow themed party, a lot of people were offended. But rather than just issue an apology, the company teamed up with Native American designers for a new line. Guest host Celeste Headlee finds out more.

Apple's introduction of two new iPhones — one, made of plastic in bright colors; the other, a more expensive aluminum model available in gold — may create two classes of users. So it will be easy to tell who paid the big bucks and who decided to go cheap.