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What does satellite imagery reveal about Hurricane Sandy? Owen Kelley at NASA is using satellite data to visualize the internal structure of the storm and Marshall Shepherd, president-elect of the American Meteorological Society and the director of the atmospheric sciences program at the University of Georgia, discusses what made this storm so unusual.

Election Day 2012 is just around the corner, and many Americans will be casting their ballots on electronic voting machines. But how reliable are these devices? Michael Alvarez, professor of political science at Caltech, discusses the technologies at your polling station.

It's pretty tough figuring out how much a particular medical procedure will cost in advance. But Colorado is now one of several states trying to make it easier for consumers to comparison shop before they get care.

Superstorm Sandy, the October surprise no one anticipated, throws a monkey wrench into the final days of the campaign. NPR's Ken Rudin and Ron Elving spend the final pre-Election Day podcast scouting the key presidential battleground states and have a forecast of control over the House and Senate.

Superstorm Sandy turned out the lights along the Eastern Seaboard, but Twitter was ablaze with comments. Host Michel Martin looks at the good, the bad, and the ugly of social media during Sandy, including intentional hoaxes. She speaks with Rey Junco of the Harvard Berkman Center for Internet and Society about why some users spread misinformation.

Although it was written in 1882, Henrik Ibsen's play An Enemy of the People still resonates today. Richard Thomas and Boyd Gaines, the stars of a new production of the play, join Ira Flatow to talk about the play's themes of power and truth, and the role of whistle-blowers.

You're standing smack in the middle of a desert, sand dunes everywhere, when suddenly, up and over a dune comes something totally inexplicable: a petal from a sunflower. Then another, then another. What's going on?

The orphaned German shepherd was found in the wreckage of a kennel during World War I. Writer Susan Orlean details how he became one of the biggest film stars of the silent era in Rin Tin Tin: The Life and Legend.

Sarah Bunting argues that with everything going on in New York City right now, the marathon is the last thing the struggling city needs — and is absolutely unnecessary as a symbol of anything at all.

He will succeed Andrew Kohut. The center's polls and analysis should be familiar to political junkies.