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Confirmation hearings are scheduled Thursday for Dr. James Holsinger Jr., the Kentucky cardiologist nominated by President Bush to be the nation's 18th surgeon general. Holsinger is likely to face tough questioning — not only about his own qualifications, but about whether he can stand up to the political meddling that his predecessor, Richard Carmona, says hampered his ability to do the job.

Marine ecologist Ransom Myers died this past week, after a career highlighted by warnings of diminishing world fish stocks. His warnings often fell on deaf ears, but always proved right.

Fire departments outside San Diego County are frustrated that local leaders aren't doing more to beef up firefighting resources. KPBS Reporter Amita Sharma has more.

Former U.N. Ambassador Jeane J. Kirkpatrick, a onetime Democrat who switched to the Republican Party and warmly embraced Reagan-era conservatism, has died. She was 80.

Molecular biologist Craig Venter, the pioneering scientist who mapped the human genome -- and one of UCSD's most famous graduates -- is back in San Diego. We talk to him about his work deciphering the

A University of Chicago professor won a share of the Nobel Prize in physics Monday. Yoichiro Nambu, a Tokyo-born U.S. citizen, shares the prize with two Japanese scientists. Nambu gets half the prize for the discovery of spontaneous broken symmetry in subatomic physics.

Many people choose to drink bottled water over tap water because it is supposed to be cleaner and safer. But recent reports show that bottled water often contains contaminants and is less regulated than tap water. We speak with two experts about the many issues surrounding bottled water versus tap water.

The conflict with Russia over Georgia might affect NASA's ability to get astronauts to the international space station after the space shuttle gets retired in 2010. Congress must pass a special waiver by Sept. 30 so NASA can buy Soyuz capsule flights.

The U.S.-backed government in Lebanon is alarmed by the Bush administration's move to have more contact with the governments of Syria and Iran. The Lebanon government is locked in a 6-month-old confrontation with Hezbollah, which is leading an opposition alliance backed by Iran and Syria.

A new map of the world's oceans shows that human activity has dramatically altered areas of Europe's North Sea and the U.S. Atlantic Coast, among other regions. Scientists say it has the potential to change the way we view the vast resource.