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Although it may be uncomfortable for patients to learn that there are profound disagreements among doctors about medicine, these differences of opinion are common.

Passionate advocates believe that squatting over the toilet is a more healthful position than sitting down on one. They say the posture can alleviate problems like hemorrhoids. One company is making stools to help people get closer to the squat.

Preparations at the site of Tuesday's papal conclave include a high-tech scrubbing of the chapel for bugs and electronic monitoring equipment. Wi-Fi will be blocked throughout Vatican City, and cardinals with Twitter and Facebook accounts have been warned.

Catholics in Philadelphia react on Wednesday to selection of the new pope.

Scientists have partially decoded the genetic sequence of a new virus, which has killed one man and hospitalized another. Advances in sequencing technologies have helped health workers rapidly respond to the virus in ways that they couldn't during the SARS epidemic of 2002.

The network pushed Obama's connections with the controversial Rev. Jeremiah Wright into the presidential campaign.

There are some worthy short horror films among the 26 vignettes that make up The ABCs of Death -- and some serious clunkers, too.

The Wells Street drawbridge carries cars, buses, bikes, pedestrians and elevated trains across the Chicago River. Half of the 91-year-old bridge will be replaced in just nine days. The project is so complex that one Chicago transportation official compares it to open heart surgery.

The AFL-CIO is holding its winter meetings this week in Houston. The movement says its efforts to organize across the South continue despite the high profile defeat at the VW plant.

The extremists now committing a wave of attacks in Iraq's Anbar province are significantly better trained, funded and equipped than the al-Qaida-linked groups American soldiers battled there.