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Stories by Sarah Simpson

Afghanistan's Buried Riches

Afghanistan's Buried Riches

Geologists say newfound deposits in the embattled country could fulfill the world's desire for rare earth and critical minerals and end opium's local stranglehold in the process

September 22, 2011 — Sarah Simpson

Ocean Overhaul

Marine zoning is a bold remedy for sick seas

December 1, 2009 — Sarah Simpson

Dropping Acid

Mars may have needed acid rain to stay wet

March 17, 2008 — Sarah Simpson

Higher Power

Earth's heat keeps continents afloat and land above sea level

October 14, 2007 — Sarah Simpson

Seismic Sentries

Why underground nuclear tests are so hard to hide

December 16, 2006 — Sarah Simpson

Catchy Carbon

What Floyd Landis has in common with ocean sediment

October 16, 2006 — Sarah Simpson

Diving for Dead Wood

Submarine with a chain saw for eco-friendly logging

June 1, 2004 — Sarah Simpson

Not So Icy Stares

The Moon's water may be difficult to get

January 12, 2004 — Sarah Simpson