PRX - Pieces for Topic: Science

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I like the name sumac and I’ve known it since I was a kid in Kentucky. The most talked about sumac of my youth was poison sumac or poison ivy, but ...

  • Added: May 02, 2018
  • Length: 05:42
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They rock and roll them. We're talking about those boulders we all see in the woods. Geologists call them "erratics."

  • Added: Dec 17, 2014
  • Length: 03:53