Consumer confidence is up but mortgage refinancing is down. We look at the enonomy with Jim Cooper of Business Week.

Futurist, scientist, writer Ray Kurzweil on living longer, human vs. machine intelligence, and more.

Author Jared Diamond discusses the rise and fall of civilizations.

Only A Game's Bill Littlefield speaks to the author of a book about one of the longest-running rivalries in sports.

Robin Young speaks with Time Magazine Photography Editor Mary Ann Golon, who sorted through the year's images for Time's annual best photos issue.