Science:
What does nuclear deterrence mean? An active defense? Strategic
defense? What constitutes a nuclear explosion? Precise
definitions are critical for everything from negotiating
treaties to interpretingmilitary postures of ally and adversary
alike. On 20 November, the U.S. National Academies unveiled the
first Chinese-English glossary of nearly 1000 nuclear-security
terms.* The compendium seeks to reduce misunderstandings
between China and the United States--nuclear powers that came
into conflict in the Korean War and could conceivably be in
confrontation again
