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:
Nature
http://www.nature.com/podcast/index.html
Science
http://www.sciencemag.org/about/podcast.dtl
Cell feed://podcast.cell.com/cell.xml
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.