By Pamela Tran, Alabama Public Radio
http://stream.publicbroadcasting.net/production/mp3/wual/local-wual-798367.mp3
Tuscaloosa, AL – It's never too late to learn something from APR's Pamela Tran. Alabama Public Radio has discovered a "new" edition of "Wow! I Didn't Know That!" which never aired. Produced in late 2007, Pamela reports on the emerging science of nanotechnology.