Some telltale signs could hint at the origins of the nerve poison
Probably not, but it's better to act sooner than later
A national air sampling system tasked with picking up terrorist biological attacks faces scrutiny
Paper sensors change color from blue to pink within 30 seconds of exposure to trace amounts of the toxic gas
Buying chemical weapons material through the mail is quick and easy
A key part of the FBI's early investigation was finding whether the germ that killed five people in late 2001 was weaponized. Although they found the answer, scientists had to keep mum until the agency completed its inquiry
Is Karzai's Accusation That Coalition Forces Are Polluting Afghanistan with Nuclear Material Accurate or an Over-Reaction?
Afghan President Hamid Karzai's recent comment that U.S. and NATO-led forces use weapons with "nuclear components" may be a reference to depleted-uranium munitions, whose health impact is still being studied
Scientists say they have developed a fast and supersensitive new test for ricin, a poison found in castor beans that scientists say is a prime candidate for use in bioterrorism attacks.
Although not as easily delivered as weaponized anthrax, ricin in purified form can be just as deadly