Bacteria make up most of life on Earth. It's life we can't see. Some bacteria thrive in such extreme environments as the boiling water of the hot springs in Yellowstone National Park, or in the driest place on Earth - the Atacama Desert of northern Chile. But, according to Greg Caporaso in the Center of Microbial Genetics and Genomics at NAU, the most extreme environment for life is inside the human body.
Next year marks the 75th anniversary of John Steinbeck's novel, The Grapes of Wrath. It chronicles the Joad family's trek from Oklahoma to California during the Great Depression in their desperate attempt to find work...and survive. The Grapes of Wrath became one of America's most iconic novels, in part, because it spoke to the human conditions of challenge and hardship. In commemoration of the anniversary, a group of artists is retracing the journey of the Joad Family across America, including a stop in Flagstaff along historic Route 66. As Arizona Public Radio's Justin Regan reports, they're using theater and film to connect the historical and modern hardships of every day Americans.
The Colorado Plateau is endowed with a world-class collection of geological eye candy, like the Technicolor badlands of Arizona's Petrified Forest. But conflicts arise when some of that geology is useful for more than a grand view.
The Court of Appeals this week blocked candidates from taking the sharply higher campaign contributions that the Republican-controlled Legislature approved earlier this year. Arizona Public Radio's Howard Fischer reports.