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November-December 2019
Volume: 107 Number: 6
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"The Decline of Oregon's Rare Sand Dune Lakes," by Doug W. Larson
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"Expanding Consciousness," by Lars Chittka and Catherine Wilson
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"Comets Are Not Forever," by Michael Werner and Peter Eisenhardt
 
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September-October 2019
Volume: 107 Number: 5
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"A Delta in Peril," by Meraz Mostafa, Naznin Nasir, M. Feisal Rahman, and Saleemul Huq
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"Dying for a Drink," by Marcus D. King
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"Sustaining the Last Rivers," by Jeffrey J. Opperman, Sharon Baruch-Mordo, Juan Pablo Carvallo, Daniel Kammen, Joe Kiesecker, and Chris Weber
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"Thirsty City on a Lake," by Manuel Perló Cohen and Loreta Castro-Reguera Mancera
 
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July-August 2019
Volume: 107 Number: 4
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"What Mirrors Do," by Michael C. Corballis
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"A Hawaiian Renaissance That Could Save the World," by Sam ʻOhukaniʻōhiʻa Gon III and Kāwika B. Winter
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"Contextualizing Cave Art" by Bruno David
 
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May-June 2019
Volume: 107 Number: 3
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"Connecting Habitats to Prevent Species Extinctions," by Stuart L. Pimm and Clinton N. Jenkins
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"The Flavor of Serendipity," by Gary K. Beauchamp
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"Huh? Is That a Universal Word?" by N. J. Enfield
 
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March-April 2019
Volume: 107 Number: 2
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"Renewed Hope for Coastal Marshes in Louisiana," by Paige Byerly, Bethann Garramon Merkle, and Megan Hepner
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"Knit and Stretch," by Samuel Poincloux
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"The Root of Misaligned Jaws," by Sandra Kahn and Paul R. Ehrlich
 
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January-February 2019
Volume: 107 Number: 1
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"Estimating Ancient Populations by Aerial Survey," by William E. Carter, Ramesh L. Shrestha, and Juan Carlos Fernandez-Diaz
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"Is Wildlife Conservation Policy Based in Science?" by Kyle A. Artelle
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"Random Paths to Frequency Hopping," by Tony Rothman
 
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