There and Back Again
Radiolab
00:00
Why Does the Black Pole Warbler Go So Far?
The Divided Dial is a new five-part series from WNYC's On The Media about how the American right came to dominate Talk Radio. We are just entering what I call the Golden Age for studying migration, says Robert Roach. But even with all their new gizmos and measurements, people like Martin and David will tell you that the most basic facts about migration still remain deeply mysterious.
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Transcript
