public health

In 1950, Hosteen Nez found a yellowish rock outcrop not far from Cameron, Arizona. His people, the Diné, called it leetso. Ten years earlier that find would have been no big deal. But with the Cold War heating up, Nez suspected this was the valuable ore geologists said contained uranium.


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A second Arizona county in two weeks has confirmed that fleas in the area tested positive for plague.

Ryan Heinsius

Heavy smoke from regional wildfires has settled in the Flagstaff area. KNAU’s Ryan Heinsius reports, the Coconino County health department has recommended the public curtail outdoor activity until it lifts. 


Ryan Heinsius

Environmental and social advocates gathered Tuesday outside Flagstaff City Hall to condemn President Trump and Arizona Senator Jeff Flake for failing to act on climate change. KNAU’s Ryan Heinsius reports. 


Melissa Sevigny

The Grand Canyon’s rim-to-rim trail is not an ordinary day hike: a marathon in distance, a mile change in elevation, through a desert that swings through extremes of heat and cold. Rim-to-rim hikers put their bodies through a grueling experience. That makes them the perfect candidates for a study aimed at predicting medical emergencies before they start. KNAU’s Melissa Sevigny reports. 


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