11.   The government once conducted an experiment using a Navy ship two miles off San Francisco to release harmless spores that had the same size and weight as anthrax.

12.   When disturbed, says Lancet, the fungi release airborne spores that can induce hallucinations as powerful as those of rockers at raves.

13.   Anthrax is a deadly bacteria that normally sickens animals, but the organism can be used as a weapon by releasing its spores into the air.

14.   Like ferns, for example, it reproduced by releasing spores.