Russia
Security
Captain America, Meet Mother Russia: Soviets Had World War II 'Super Soldiers'
By Spencer Ackerman
Security
The Soviet Ship That Cuts Through Ice Like a Nuclear-Powered Knife Through Butter
By Andrew Tarantola, Gizmodo.com
Business
Half-life: 25 years after the Chernobyl meltdown, a scientific debate rages on
By Adam Higginbotham
Science
GVP Weekly Volcanic Activity Report for April 20-26, 2011: Pagan, Taal and Kamchatka
By Erik Klemetti