Get up to date with the latest research news by listening to Podcasts from science journals/journalists. You can find them either in the iTunes store (for free) under Podcasts - Science and Medicine/Technology, or go to the journal website itself:
New York Academy of Sciences http://www.nyas.org/snc/index.asp
New York Times http://www.nytimes.com/ref/multimedi...asts-free.html
Scientific American http://www.sciam.com/podcast/
please add links to other interesting podcasts if you have them.