A river near Yellowstone National Park suddenly changed colors and began to boil and emit yellowish noxious gases. Some witnesses wondered if "we're all about to die." Is this just another volcanic vent or a sign of bad things to come? The Shoshone River runs through Cody, Wyoming, just east of Yellowstone National Park. It's close enough to be a 'canary in a coal mine' for unusual geothermic events and that's precisely what happened on March 25th when photographer Dewey Vanderhoff spotted the Shoshone River mysteriously boiling ... and more... Yes, it's most likely a volcanic vent, but it's in...