Joe Palca Joe Palca is a science correspondent for NPR.
Joe Palca, photographed for NPR, 17 January 2019, in Washington DC.
Stories By

Joe Palca

The revolutionary scientific work On the Origin of Species by Charles Darwin was published in 1859. Courtesy of Huntington Library hide caption

toggle caption
Courtesy of Huntington Library

A close-up composite image of a dust particle. The green patches contain bromine, calcium and/or iron. Courtesy of American Chemical Society hide caption

toggle caption
Courtesy of American Chemical Society

The Dirt On Dust

  • Download
  • <iframe src="https://www.npr.org/player/embed/120252957/120448264" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A team at NASA tests possible maneuvers for the Mars rover Spirit to use to escape the soft soil it has been stuck in since April. NASA/JPL-Caltech hide caption

toggle caption
NASA/JPL-Caltech

Rare Disease Treated Using Gene Therapy

  • Download
  • <iframe src="https://www.npr.org/player/embed/120118988/120139143" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Scientists Decode DNA Of Domestic Pig

  • Download
  • <iframe src="https://www.npr.org/player/embed/120004288/120004300" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Bioengineered Plants Gone Wild

  • Download
  • <iframe src="https://www.npr.org/player/embed/114206060/114215585" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Mining For The 'Prime' Jewels Of Numbers

  • Download
  • <iframe src="https://www.npr.org/player/embed/102876903/102950795" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Hidden Ingredient In New, Greener Battery: A Virus

  • Download
  • <iframe src="https://www.npr.org/player/embed/102647672/102774239" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Nuclear Fallout Solves Heart Mystery

  • Download
  • <iframe src="https://www.npr.org/player/embed/102651580/102670063" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Inheriting Infections: Can Genes Make You Sick?

  • Download
  • <iframe src="https://www.npr.org/player/embed/101627003/101642065" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript