By Pamela Tran, Alabama Public Radio
http://stream.publicbroadcasting.net/production/mp3/wual/local-wual-646097.mp3
Tuscaloosa, AL – We all know that water is a necessary component of life. But have you stopped to think about what else you might be gulping down when you're quenching your thirst? Pamela Tran has, and she tells us in this latest edition of Wow, I Didn't Know That.