Geology
Day 2: Uncovering Earth’s History in the Bighorn Basin
Secretary Clough tours the different Smithsonian excavation sites and discovers some prehistoric fossils while there
July 23, 2009 |
By G. Wayne Clough, Secretary of the Smithsonian Institution
Civil War Geology
What underlies the Civil War’s 25 bloodiest battles? Two geologists investigate why certain terrain proved so hazardous
April 14, 2009 |
By David Zax
Glow-in-the-Dark Jewels
How the Hope Diamond's mysterious phosphorescence led to "fingerprinting" blue diamonds
January 14, 2008 |
By Kenneth R. Fletcher
Rock of Ages
Where did the world's highest mountains come from? Geologist Elizabeth Catlos takes a new view
October 2007 |
By J. Madeleine Nash
Future Shocks
Modern science, ancient catastrophes and the endless quest to predict earthquakes
March 2005 |
By Kevin Krajick
Defusing Africa's Killer Lakes
In a remote region of Cameroon, an international team of scientists takes extraordinary steps to prevent the recurrence of a deadly natural disaster
September 2003 |
By Kevin Krajick
Blast from the Past
The eruption of Mount Tambora killed thousands, plunged much of the world into a frightful chill and offers lessons for today
July 2002 |
By Robert Evans
Crystal Moonbeams
A pair of Mexican miners stumble upon a room filled with what could be the world's largest crystals
April 2002 |
By John F. Ross
Evidence for a Flood
Sediment layers suggest that 7,500 years ago Mediterranean water roared into the Black Sea
April 01, 2000 |
By James Trefil
When the Earth Froze
The rocks tell us that at least twice, the earth has frozen over from the poles to the equator
December 1999 |
By James Trefil
Geology That's Alive
Volcanologist Richard Fiske loves fieldwork most of all--when he's on the job, the Earth moves
December 1997 |
By Michael Kernan
Phenomena, Comment and Notes
When a drop of rain carries a particle of dirt off the land and into the sea, there are repercussions from deep within Earth to the nearer reaches of space
April 1996 |
By Stearns A. Morse
