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Season 23, Episode 8

  • Aired: 02/02/2012
  • 28:30
  • Rating: TV-G
Pine Butterflies - A mass outbreak of pine butterflies creates a virtual snowstorm in the forest in August. Radon - We look into the causes and consequences of radon in our region. Open Water Swimming - Swimmers from 18 to 80 compete across open water lakes.
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Season 23, Episode 8
Season 23, Episode 8
Pine Butterflies; Radon; Open Water Swimming
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