Pittsburgh Penguins goalie Matt Murray makes a kick save Thursday against Brian Boyle of the Tampa Bay Lightning during the third period in Game 7 of the Eastern Conference Finals in Pittsburgh. Matt Kincaid/Getty Images hide caption

toggle caption Matt Kincaid/Getty Images

A young harbor seal lounges on top of seaweed near Cundy's Harbor, Maine, in 2000. As pupping season and Memorial Day weekend collide, New Englanders are being asked to stay away from seals. Pat Wellenbach/AP hide caption

toggle caption Pat Wellenbach/AP

A Pennsylvania woman developed a urinary tract infection cased by Escherichia coli bacteria that were found to be resistant to colistin, an antibiotic that is seen as the last line of defense. Nature's Geometry/Science Source hide caption

toggle caption Nature's Geometry/Science Source

Lines of travelers at Denver International Airport snake their way through security on Thursday. RJ Sangosti/Denver Post via Getty Images hide caption

toggle caption RJ Sangosti/Denver Post via Getty Images
Cities Consider Privatizing TSA To Speed Up Checkpoints, But Would It?
  • Download
  • <iframe src="https://www.npr.org/player/embed/479590079/479635831" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
After Departure Of Uber, Lyft In Austin, New Companies Enter The Void
  • Download
  • <iframe src="https://www.npr.org/player/embed/479635782/479635783" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Maureen LoCascio, with the mosquito control team in Hudson County, N.J., uses a backpack sprayer to spread insecticide against mosquito larvae. Hansi Lo Wang/NPR hide caption

toggle caption Hansi Lo Wang/NPR
To Kill Mosquitoes That Spread Zika, Strike Before They Fly
  • Download
  • <iframe src="https://www.npr.org/player/embed/479462714/479635849" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Members of the 320th Missile Squadron missile combat crew work through a scenario in the 90th Operations Support Squadron's Missile Procedure Trainer on F.E. Warren Air Force Base, Wyo., in June 2014. The MPT is a simulator that allows missile crews to practice contingencies they might face while on alert. R.J. Oriez/U.S. Air Force hide caption

toggle caption R.J. Oriez/U.S. Air Force

Feral hogs in Great Smoky Mountains National Park are an invasive and hugely destructive species. Courtesy of Bill Lea hide caption

toggle caption Courtesy of Bill Lea
On The Trail Of The Wily Wild Hog
  • Download
  • <iframe src="https://www.npr.org/player/embed/479584561/479613783" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Trump Gains Enough Delegates For GOP Presidential Nomination
  • Download
  • <iframe src="https://www.npr.org/player/embed/479592709/479603352" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Suburban Detroit Police Officer Protects And Serves — Pizza
  • Download
  • <iframe src="https://www.npr.org/player/embed/479561168/479561169" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript