KRWG Online The Science Digest - The Impact of Bacteria KRWG | By Vince Gutschick Published August 17, 2021 at 8:45 AM MDT Facebook Twitter LinkedIn Email Listen • 1:32 It’s not surprising to hear of the drastic role in heating and cooling volcanoes have played over the years – but what about bacteria? Here’s more with Vince Gutschick on The Science Digest.