The Bush administration is ramping up bioterrorism research that will press beyond traditional defenses against natural biowarfare germs to explore genetically engineered superbugs, as well as the means to mass-produce and disseminate them.
The author summarizes a new report by four Los Alamos scientists who say low-yield nuclear weapons could help dissuade rogue nations from mounting nuclear or biological attacks on the United States or its allies.
After sinking 40 years and billions of dollars into beam weapons, defense scientists are on the cusp of what could be a military revolution -- warfare at the speed of light.
International inspectors report that Iran's nuclear-energy scientists have produced uranium metal and are testing powerful green lasers -- potential steps toward an exotic means of harvesting weapons fuel that so far has been the exclusive province of developed nuclear nations.