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How does human song relate to the songs of other animals? We talk to Dr. Aniruddh Patel about the connection between human and animal songs. We also discuss how song relates to language, and other cognitive functions.

“Lars and the Real Girl” (opening Oct. 26 throughout San Diego) uses a sex doll from the San Marcos company RealDoll as partial inspiration for its story.

How do we manage information and privacy in the electronic age? As part of our monthly segment on ethics in science and technology, we'll explore how our information is tracked, used and protected.

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.

Americans are so relentlessly focused on positive thinking, writes Barbara Ehrenreich in her book "Bright-Sided," that there is little room for genuine hope or happiness or planning for downturns and disasters.

Fidel Castro seized power in Cuba in 1959 and held it for nearly a half-century, becoming one of the world's longest-ruling leaders. Read a timeline of the communist dictator's life.

Gen. David Petraeus — poised to become the top commander in Iraq — has been there before. He is well-regarded by fellow officers and military experts, but he faces immense challenges in his latest assignment.

The central character in Definitely, Maybe, Will Hayes, knows a little something about advertising himself. He works at an ad agency and is currently trying to figure out how to pitch the latest cereal to kids. He’s also trying to figure out how he got stuck in this job when he began his career trajectory as an idealistic volunteer for Bill Clinton's presidential campaign in 1992. He also can’t quite figure out how his marriage went sour. Forcing him to put all this into perspective is his precocious (is there any other kind of kid in Hollywood these days?) eleven-year-old daughter Maya.

Research tests on mice show that a substance found in red wine may let humans enjoy a long and healthful life, even if they are overweight. But the Harvard study shows that being healthy is not as simple as a sip of wine every day.

Anti-war activists will find themselves frustrated by President Bush's call for increased U.S. troop levels in Iraq, and by the Democrats' inability to stop the administration from following through.