These numbers pale in comparison to the number of casualties that would occur in the event of a nuclear terror attack, easily putting terrorism at the top of the list. Entire cities could be wiped off the map in the blink of an eye. Physics Today “estimates that the direct effects of using the 2012 arsenals would lead to hundreds of millions of fatalities…eliminating the majority of the human population(Toon).” Still, some argue that cyber or nuclear attacks are not likely to occur due to the immense amount planning and preparation that they require. The most frightening of all the WMD(Weapons of mass destruction) takes form in the way of biology. Biological terrorism is the most practical of all three methods. The commission on the prevention of WMD proliferation “believes that terrorists are more likely to obtain and use a biological weapon than a nuclear weapon.” Biological weapons are the easiest for terrorists to get their hands on because of “the advances in science and technology,” explains U.S. secretary of state,