Feb 15, 2013 — The fallout from Cold War bomb tests is shedding light on why the Achilles tendon heals so poorly after injuries. By looking at carbon-14, scientists have found that tendon tissue in people who were alive during the tests hasn't changed much since they were youngsters.
Jan 23, 2013 — The threat follows the U.N. Security Council's condemnation Tuesday of North Korea's rocket launch in December. A U.S. official in Seoul said any such step by Pyongyang would be a "mistake."
Oct 15, 2007 — What did Israel bomb, and why?