Science introduces online seminars

I welcome these new AAAS seminars, the next step, a vidcast? Every other week, the editors of Science select an author of a breakthrough paper to discuss the application of his or her research and/or the methods and protocol, in a new online audio/slideshow feature...This week Stephen Schaffner and Pardis Sabeti review the approaches for detecting natural selection in humans using genome-wide data surveys, describe results from recent studies examining genome-wide data sets and discuss the prospects and challenges ahead.