Friday, 25 May, 2012

New analysis of post-traumatic stress disorder among American Vietnam vets find 19 percent had PTSD after serving in combat. The greater the exposure to combat, the higher the rate of PTSD.

Cooling failure blamed in aftermath of giant quake. What are the health effects of low-level radiation? Lessons from Hiroshima and Chernobyl.

As weapons proliferate, we wonder: exactly how do you make a nuke? How many nations have this ability? How can we track proliferators?

In mid-2004, U.S. jails and prisons held 2.1 million people. What are the psychological effects of imprisonment? How do POWs survive prison and torture? Can these scars be healed?

Scientific journals choose self-censorship, decide not to publish articles related to biological weapons, bioterrorism and national security. Is this a necessary change in scientific tradition, or an over-reaction to a fearful political climate?

Existing nukes may not exhaust the possible nukes. What other weapons could appear on the nuclear shelf?

Suspect arrested, may be charged with trying to develop a dirty bomb. What is a dirty bomb, and how badly would it harm us?

Will terrorists use biological weapons? How have bio-weapons been used in the past?

Missile defense: Protective shield, or dangerous myth? New tests do little to solve the problem.

History of chemical weapons and Gulf War Syndrome. What could explain the widespread symptoms among veterans?