A surge of new strategies to “manage” aging — from diets to testosterone. We’ll get the story.

The Copenhagen climate conference is one month away. US climate action is going nowhere in Congress. We’ll look at the global implications of America’s domestic climate politics.

Anthropologist Claude Levi-Strauss, who profoundly challenged the understanding of human cultures, has died at the age of 100. We’ll look back at his work and its meaning.

A shot-across-the-bow election day for Republicans and Democrats. We’ll look at the results as both parties look ahead to 2010.

The story of the 1507 map that gave America its name, and its role in changing our understanding of the universe.

Rethinking alimony. With the old model of breadwinning father and stay-at-home mother mostly gone, does a lifelong obligation to an ex still make sense?

Maya Lin’s Vietnam Memorial changed how we remember war. We’ll talk with her about her latest and, she says, last public memorial — a monument to vanishing species.

Whole Earth Catalog guru Stewart Brand now says we need nuclear energy and genetically modified food. We’ll ask him if he’s selling out, or getting real.

Hip-hop legend and Wu Tang Clan founder The RZA on life lessons and the “Tao of Wu.”

Former GOP Senate Majority Leader Bill Frist, and former Vermont Governor and DNC Chairman Howard Dean, both doctors, take up the health care debate.

“Mad Men” wins Best Drama — again — at the Emmys. We’ll talk to the show’s executive producer and creator, Matt Weiner.

Actress, filmmaker, and model Isabella Rossellini on her new sex-in-nature project, “Green Porno,” and a life in front of the camera.