Fronteras

Northern Arizona University biologists have pinpointed the source of one of the deadliest plagues of all time. The discovery not only solves some ancient mysteries about the first pandemic, but could also provide answers in the event of a bioterrorism threat.

Northern Arizona has four times more uranium than any other deposit in the United States. But as of 2012, new uranium mining claims are banned on land surrounding Grand Canyon National Park. From the Changing America Desk in Flagstaff, Laurel Morales reports that the uranium riches still have mining companies looking for a way in.

Navajo singer Radmilla Cody has been nominated for her first Grammy. She will likely turn heads at the ceremony Sunday in Los Angeles in her traditional Navajo dress and moccasins. But, the former Miss Navajo has never been afraid to stand out in a crowd. From the Fronteras Desk in Flagstaff, Laurel Morales reports.

It's gotten a lot more complicated in recent years to hire undocumented workers - and that's especially true in a state like Arizona, which mandates strict hiring practices. Workplace enforcement will be part of the upcoming debate over immigration reform. In Part V of our series Broken Border, Fronteras reporter Jude Joffe-Block explores lessons learned so far.

A group of scientists from universities and federal agencies say we can blame climate change for an increase in heat stroke, respiratory problems and other health issues across the southwest in coming years. And they've found Native American tribes to be particularly at risk. Fronteras reporter Laurel Morales reports from Flagstaff.

Art has a way of redefining public spaces, particularly those marked by hardship or violence. That's what drew photographer Stefan Falke to the U.S. - Mexico border. He's capturing the work of bi-national artists in a project he calls La Frontera. Fronteras reporter Monica Ortiz Uribe shadowed him for a day.