National Public Radio takes a look at the problems health officials are encountering as they try to eradicate polio in the world. From 350,000 cases in 1988 to 700 in 2003, much progress has been made. Includes links to related stories...

A July 2007 analysis of Indonesia's successful campaign to destroy Jemaah Islamiyah, an Islamic extremist terror group. Provides links to a more in-depth audio analysis as well as to related stories.

What issues should Presidential campaigns address? Science Friday solicits thoughts on the most important science-related issues in election campaigns.