Talk of the Nation

Duke biologist Sarah Zylinski wants to better understand how cuttlefish see the world. Like their relatives octopus and squid, cuttlefish are master camouflagers--and Zylinski says you can learn something about how they process visual information by testing how they change their skin patterns in relation to different backgrounds.

Federal regulators signed off on the construction and operation of two nuclear reactors at a Georgia plant. It's the first license to be granted for a new reactor in the U.S. since 1978. Nuclear expert Per Peterson discusses the reactors' design, safety features and what this means for the future of nuclear power.

In his book Concrete Planet, author Robert Courland discusses why the concrete first used by the Romans is more durable than the concrete used in most present day buildings. Plus, mineralogist Peter Stemmerman tells us about his invention, Celitement and why it is greener than Portland cement.

Two studies in the Archives of Internal Medicine suggest short and long-term exposure to air pollution can increase the risk of stroke and cognitive declines. Study author Jennifer Weuve discusses the results, and why particulate matter and gases like ozone may harm the body.

The Academy of Motion Picture Arts and Sciences has changed the way they nominate documentaries for the Oscars. One of the most controversial changes — proposed by filmmaker Michael Moore — is that films must be reviewed by The New York Times or the Los Angeles Times.

The number of jobless claims for January 2012 was at the lowest point since March 2008. Businesses are reporting profits, buyers are reporting confidence. Diane Swonk, chief economist for Mesirow Financial, discusses whether it's safe to say an economic recovery has begun.

Transcript

NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. Almost every day for about a year now, we've heard about the activities of the Syrian opposition: marches and demonstration that in the face of brutal attacks evolve toward armed resistence.

New York Knicks point guard Jeremy Lin sprang into the spotlight after he scored 27 points in a game against the Toronto Raptors. Lin, who previous mostly rode the bench, has become a sensation in the U.S., particularly among many Asian Americans. Journalist Chuck Leung feels a bit conflicted about celebrating Lin's success.

When immigrants face depression, therapy may not be the first option they explore for relief. When they do seek counseling, they often encounter a cross-cultural struggle to understand and be understood by American practitioners.

Israel blames Iran for attacks in the capital cities of India, Georgia and Thailand, further escalating Israeli-Iranian tensions. Washington Post columnist Jackson Diehl believes that Iranian leaders are exhibiting signs of desperation.