Click on a title below to access the article. (The World & I issue that the article appeared in is found in parentheses.)

Geological Formations, Flows, and History

Geological Formations, Flows, and History Tiny Bubbles Inside Rock Yield a Treasure Chest of Knowledge  (Feb 2006)  Growth Secrets of Alaska's Mysterious Field of Lakes  (Oct 2005)  Geology of a Tsunami  (Feb 2005)  New Hydrothermal Vents Discovered   (Feb 2005)  Water's Roving Ways  (Feb 2003)  The Magic of Water  (Jan 2003)  The Making of a Water Wonderland  (Dec 2002)  Eternity in the Rocks  (Mar 2002)  Ice Over Earth  (Nov 2001)  Not Just a Hole in the Ground   (Dec 2000)  The Elegant Stone  (Apr 2000)  A Common Mineral Flaunts Its Colors  (Dec 1999)  The Ice That Burns  (Jun 1999)  Sky Water  (Mar 1999)  A Treasure in Green  (Dec 1998)  Sculpting the Earth  (Oct 1998)  Lavas and Life  (Jul 1998)  'Nature's Perfect Imperfections'  (Dec 1997)  The Smoke That Thunders  (Jul 1997)  Nature's Highs  (Jan 1997)  Jewels From Fire  (Dec 1996)  Frozen Peril: The West Antarctic Ice Sheet  (Apr 1995)  When the Mountain Awakes  (Mar 1995)  Glaciers: Ancient Sculptors of the Earth  (Jan 1995)  The Science and Art of Earthquake Forecasting  (Jul 1994)  Ocean Bumps and Dips  (Mar 1992)  Forecasting Vulcan's Fury  (Sep 1991)  Deep Sea Hot Springs  (Jun 1991)  Mapping the Earth's Largest Volcanoes  (May 1991)  The Origin of Coal  (Nov 1990)  Massive Meteorites in Geological History  (Aug 1990)  Earthquakes: Improving the Odds for Survival  (Jun 1990)  Coastal Lagoons  (May 1990)  The Ice Age Roots of American Forests  (Mar 1990)  What Started the Ice Age?  (Oct 1989)  Fulgurites  (Jul 1987)  Cerussite  (May 1987)  Lahars: Understanding Volcano Mudslides  (Feb 1987)  Earthquakes  (Jan 1987)  Coquina Rock  (Jan 1987)  Antarctic Awakening  (Dec 1986)  My Eight Hours at the South Pole  (Dec 1986)  Secrets Below the Seas  (Nov 1986)