Entertainment Radiolab and Ted Radio Hour Coming to Weekends 91.7 WVXU | By Pete Rightmire Published July 1, 2013 at 1:30 PM EDT Facebook Twitter LinkedIn Email Listen • 17:43 Mark Perzel talks with Guy Raz, host of TED Radio Hour, which can now be heard Saturdays at 4:00 on WVXU, and with Jad Abumrad, host of WNYC's Radiolab which will air at 3:00 on Saturdays.