March 19, 2013

Caves remain one of the most unexplored ecosystems; scientists are still discovering new species. Ethan Inlander/TNC

(ALL RIGHTS) Since 1998, Conservancy karst — or cave — staff in Arkansas have described 20 species new to science, protected several caves and installed more than 24 cave gates. Photo (C) Ethan Inlander/TNC

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