PRX - Pieces for Tone: Intriguing

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Caption: Scientists discovered the "sound channel" in 1944. Whales use it to communicate across oceans — and during the Cold War the Navy secretly used it to track nuclear subs. This 1948 graphic shows sound traveling on an axis 700 fathoms down in the Atlantic., Credit: Maurice Ewing and J. Lamar Worzel
Something unusual happens about a half mile under the sea. Ocean physics create a special zone where sound travels for hundreds, even thousands of ...

Bought by KUFM - Montana Public Radio, New Hampshire Public Radio, American Voices, Hark!, KFAI Minneapolis and more


  • Added: Aug 26, 2014
  • Length: 11:11
  • Purchases: 11
Caption: A snippet of Chicago’s Deep Tunnel, Credit: Erik Nelson Rodriguez/The Illustrated Press
A Curious Citizen had a hunch there might be tunnels lurking beneath Chicago’s downtown. She had no idea how right she was.

Bought by PRX Remix


  • Added: Sep 24, 2013
  • Length: 09:32
  • Purchases: 1
Piece image
Sound-rich documentary about Hmong-Americans living in the U.S.

Bought by WCAI / WNAN Cape & Islands, Mass., WESM 91.3 FM, KWIT, KHEN-LP, KUNM and more


  • Added: Sep 10, 2008
  • Length: 59:00
  • Purchases: 10
Caption: Jason Keoni Verity opened the first awa (kava) bar in Hawaii, Credit: The Honolulu Advertiser
For centuries, the kava plant has played an important role in many Pacific Island cultures, where it's valued for its natural calming effects. In ...

  • Added: Oct 02, 2007
  • Length: 08:06

  • Added: Feb 13, 2007
  • Length: 07:27
  • Purchases: 4
Piece image
Sound portrait of a Boxing Match

Bought by KFAI Minneapolis


  • Added: Jan 29, 2007
  • Length: 04:45
  • Purchases: 1