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South Korean scientists who authored a landmark paper on how to derive stem cell lines from individuals have been embroiled in an ethics scandal over how some of the work was conducted. Tuesday, a U.S. co-author of the paper has called into question the paper's scientific accuracy.

Legendary pianists mix with promising newcomers at the Jazz Piano Christmas, recorded live at the Kennedy Center. The 16th edition of the annual concert features Hilton Ruiz, Marcia Ball and others playing jazzy renditions of holiday classics.

Stan Berenstain, creator of the beloved children's book series about the Berenstain Bears, died Nov. 24. Peter Glassman, owner of the children's bookstore Books of Wonder, explains the impact and success of the books.

Fans have been waiting a long time for Fiona Apple's new CD Extraordinary Machine. Now the wait is over, although the mystery behind its delay still persists. Elizabeth Blair reports.

New Orleans today began allowing residents from eight of the city's 18 postal zip codes to return home as part of a phased return program. Many areas of the city still lack electricity and clean water.

Rosa Gwinn and her partner made a New Year's resolution to visit every remaining duckpin bowling alley in the United States. Gwinn talks about their mission and why the sport is so difficult.

A group that started out protesting illegal immigration at the U.S.-Mexican border now is trying to shut down day laborers' centers sanctioned by local governments across the country. "The Minutemen" group says the centers help illegal immigrants.

President Bush signed a sweeping energy bill into law Monday, and proponents say it should make the nation's electrical grid more reliable. But opponents contend the measure will make it easier for utility companies to play accounting games.

Patients who don't want to go to the doctor -- or are unable to go -- have an alternate resource for medical tests. Commercial testing companies provide exams for cholesterol, HIV or DNA without a prescription.

Ethiopia and neighboring Eritrea are to attend United Nations-led talks Friday to discuss escalating border tensions. From 1998 to 2000, the two African nations fought a border war that killed tens of thousands of people.