Featured by Matthieu Aikins
The U.S. Army’s Ambitious Fight Against PTSD
With a decade of war winding down, post-traumatic stress disorder is an increasingly urgent problem. Will the Army's efforts work?
The Treasure of the Safit Chir
For over two centuries we have struggled to understand the scope of Afghanistan's mineral wealth. Now geologists, if they can determine what lies beneath the nation's ground, might also help...