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November-December 2019

Volume: 107 Number: 6

In 1869, 150 years ago, chemist Dmitri Ivanovich Mendeleev developed his first version of the periodic table of the elements. Mendeleev wasn’t the only scientist trying to organize the elements, and many scientists have contributed to the periodic table since (in the cover background are Lothar Meyer, Ida Noddack, and John Newlands). But as Abhik Ghosh and Paul Kiparsky note in Perspective, the 150th anniversary is worth celebrating because of Mendeleev's appreciation of the elements’ periodic properties; he left gaps in his table for elements not discovered yet. Mendeleev used Sanskrit names of numbers to mark these gaps. Why not Latin, or Greek, or German? In “The Grammar of the Elements,” Ghosh and Kiparsky make a compelling case that Mendeleev was exposed to Sanskrit and the grammar of that ancient language could have influenced his organizational thinking about the periodic table. (Artwork by Wayne Brezinka.)

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  • September-October - 2019 - Volume: 107 - Number: 5

    September-October 2019

    Volume: 107 Number: 5

    • "A Delta in Peril," by Meraz Mostafa, Naznin Nasir, M. Feisal Rahman, and Saleemul Huq

    • "Dying for a Drink," by Marcus D. King

    • "Sustaining the Last Rivers," by Jeffrey J. Opperman, Sharon Baruch-Mordo, Juan Pablo Carvallo, Daniel Kammen, Joe Kiesecker, and Chris Weber

    • "Thirsty City on a Lake," by Manuel Perló Cohen and Loreta Castro-Reguera Mancera

  • July-August - 2019 - Volume: 107 - Number: 4

    July-August 2019

    Volume: 107 Number: 4

    • "What Mirrors Do," by Michael C. Corballis

    • "A Hawaiian Renaissance That Could Save the World," by Sam ʻOhukaniʻōhiʻa Gon III and Kāwika B. Winter

    • "Contextualizing Cave Art" by Bruno David

  • May-June - 2019 - Volume: 107 - Number: 3

    May-June 2019

    Volume: 107 Number: 3

    • "Connecting Habitats to Prevent Species Extinctions," by Stuart L. Pimm and Clinton N. Jenkins

    • "The Flavor of Serendipity," by Gary K. Beauchamp

    • "Huh? Is That a Universal Word?" by N. J. Enfield

  • March-April - 2019 - Volume: 107 - Number: 2

    March-April 2019

    Volume: 107 Number: 2

    • "Renewed Hope for Coastal Marshes in Louisiana," by Paige Byerly, Bethann Garramon Merkle, and Megan Hepner

    • "Knit and Stretch," by Samuel Poincloux

    • "The Root of Misaligned Jaws," by Sandra Kahn and Paul R. Ehrlich

  • January-February - 2019 - Volume: 107 - Number: 1

    January-February 2019

    Volume: 107 Number: 1

    • "Estimating Ancient Populations by Aerial Survey," by William E. Carter, Ramesh L. Shrestha, and Juan Carlos Fernandez-Diaz

    • "Is Wildlife Conservation Policy Based in Science?" by Kyle A. Artelle

    • "Random Paths to Frequency Hopping," by Tony Rothman

  • November-December - 2018 - Volume: 106 - Number: 6

    November-December 2018

    Volume: 106 Number: 6

    • "America's Cat Is on the Comeback," by Michelle LaRue

    • "Going Nowhere Fast," by Ben Allanach

    • "Collecting Evolution," by Matthew J. James

  • September-October - 2018 - Volume: 106 - Number: 5

    September-October 2018

    Volume: 106 Number: 5

    • "Gravitational Wave Astronomy," by Joey Shapiro Key and Tyson Littenberg

    • "Why Do Galaxies Start Out as Cosmic Pickles?" by Joel Primack

    • "Gaia Reveals the Milky Way," by Ronald Drimmel

  • July-August - 2018 - Volume: 106 - Number: 4

    July-August 2018

    Volume: 106 Number: 4

    • "Mystery of the Lost Reptiles" by Daniel T. Ksepka

    • "High-Tech Homelessness," by Virginia Eubanks

    • "Maxwell Zombies: Conjuring the Thermodynamic Undead," by Daniel P. Sheehan

    • "Learning to See," by Gene Tracy

  • May-June - 2018 - Volume: 106 - Number: 3

    May-June 2018

    Volume: 106 Number: 3

    • "Is Drug Addiction a Brain Disease?" by Marc Grifell and Carl L. Hart

    • "The Shape of Life," by Sophia Roosth

    • "Mass-Producing Graphene," by Les Johnson and Joseph E. Meany

  • March-April - 2018 - Volume: 106 - Number: 2

    March-April 2018

    Volume: 106 Number: 2

    • "The Secret History of Gravitational Waves," by Tony Rothman

    • "The Impish Side of Evolution’s Icon," by James T. Costa

    • "3D Printing of Bone Implants and Replacements," by Susmita Bose, Samuel Ford Robertson, and Amit Bandyopadhyay