An oil field truck is used to make a transfer at oil-storage tanks in Williston, N.D., in 2014. It was atop tanks like these that oil worker Dustin Bergsing, 21, was found dead. Eric Gay/AP hide caption

toggle caption Eric Gay/AP
Mysterious Death Reveals Risk In Federal Oil Field Rules
  • Download
  • <iframe src="https://www.npr.org/player/embed/472341181/472365311" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
OSHA Launches Program To Protect Nursing Employees
  • Download
  • <iframe src="https://www.npr.org/player/embed/417186384/417192120" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Some treatments to straighten hair rely on formaldehyde, which can irritate the skin and lungs. It's also carcinogenic. Felipe Dana/AP hide caption

toggle caption Felipe Dana/AP