Science & Technology Acoustic Nature Hour Earth Day Special. WSIU Public Broadcasting | By Kevin Boucher Published April 22, 2017 at 3:04 PM CDT Facebook Twitter LinkedIn Email Listen • 58:11 1 of 3 The Bluffs Above The Swamp At Snake Road. Photograph Taken April 15th, 2017. WSIU/Kevin Boucher 2 of 3 WSIU/Kevin Boucher 3 of 3 WSIU/Kevin Boucher The Acoustic Nature Hour Earth Day Special is supported locally by First Southern Bank.