The prospect of chemical and biological warfare in this age of anthrax scares and WMD can feel — like the threat of nuclear Armageddon before it — like a uniquely modern terror. But a British archaeologist’s recent find offers a reminder that chemical weapons are nothing new — in fact, they are nearly 2,000 years old. Simon James, a researcher at the University of Leicester in the U.K., claims to have found the first physical evidence of chemical weaponry, dating from a battle fought in A.D
