PRX - Pieces for Topic: Science

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Silicon Valley's Prehistoric Past
From: KALW
Series: Crosscurrents
Caption: Construction site at the Calaveras Dam in the East Bay hills.
When work began to rebuild the Calaveras Dam, Paleontologist Jim Walker was called to the scene to hunt for fossils. He expected to find a few, but...

Bought by KUOW


  • Added: Jan 12, 2015
  • Length: 05:50
  • Purchases: 1
THEY MADE AMERICA: From the Steam Engine to the Search Engine: Two Centuries of Innovators, with Sir Harold Evans
From: Sarah Montague
Piece image
Sir Harold Evans looks at the lives, times and ideas of the innovators that shaped America.

Bought by WNIJ, WFDD, WFIU, KMRE-LP Bellingham, Wash., KPBS and more


  • Added: Oct 26, 2005
  • Length: 58:55
  • Purchases: 11
How Oceangoing Greenhouses Changed Global Commerce
From: Marion Owen
Series: The UpBeet Gardener Series
Piece image
How early, miniature greenhouses aboard ships helped shape global commerce

  • Added: Mar 22, 2005
  • Length: 02:00