I'm Ready.gov for anthrax
Tom Ridge and the Department of Homeland Security have given us the invaluable asset Ready.gov. As you can see from this friendly graphic, we should always be wary of aerosol cans. They could be biological weapons. Says Ridge's crony, "If you become aware of an unusual or suspicious release of an unknown substance nearby, it doesn't hurt to protect yourself [with t-shirts, for example]."