Christopher Joyce Christopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.

Study Suggests Ocean Once Teemed with Whales

  • Download
  • <iframe src="https://www.npr.org/player/embed/1357381/1357382" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

White House Sets Climate Research Goals

  • Download
  • <iframe src="https://www.npr.org/player/embed/1356305/1356306" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Study Finds Trees Grow Faster in New York City

  • Download
  • <iframe src="https://www.npr.org/player/embed/1324681/1324682" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

New Twist in Controlling Greenhouse Gases

  • Download
  • <iframe src="https://www.npr.org/player/embed/1320983/1320984" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

U.S. to Probe Mass Graves in Iraq

  • Download
  • <iframe src="https://www.npr.org/player/embed/1304322/1304323" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Oldest Human Fossils Found

  • Download
  • <iframe src="https://www.npr.org/player/embed/1295624/1295904" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

American Forces Seek to Collect Iraqi Small Arms

  • Download
  • <iframe src="https://www.npr.org/player/embed/1272891/1272892" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

U.S. Disbands Iraqi Military

  • Download
  • <iframe src="https://www.npr.org/player/embed/1272485/1272486" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Plans for Interim Iraqi Authority Put on Hold

  • Download
  • <iframe src="https://www.npr.org/player/embed/1270661/1270662" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Iraq Mass Graves Investigated

  • Download
  • <iframe src="https://www.npr.org/player/embed/1270263/1270264" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Many Iraqi Antiquities Passed Over by Looters

  • Download
  • <iframe src="https://www.npr.org/player/embed/1268575/1268576" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Baghdad University Reborn, Remade

  • Download
  • <iframe src="https://www.npr.org/player/embed/1267211/1267212" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">