Frogs: The Thin Green Line - Preview

Preview: Season 27 Episode 10 | 30s

Learn how large-scale die-offs of frogs around the world have prompted scientists to take desperate measures.

Aired: 04/04/09

Rating: NR

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Major support for NATURE is provided by the Arnhold Foundation, The Fairweather Foundation, Kate W. Cassidy Foundation, Sue and Edgar Wachenheim III, Kathy Chiao and Ken Hao, Charles Rosenblum, Sarah …


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