"The speculative part of my work is that these particular cognitive tasks - ways of thinking analytically - are tied to nature's laws."

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Some international relations scholars would posit that interest in zombies is an indirect attempt to get a cognitive grip on what U.S. Secretary of Defense Donald Rumsfeld famously referred to as the "unknown knowns" in international security. Perhaps, however, there also exists a genuine but publicly unacknowledged fear of the dead rising from the grave and feasting upon the entrails of the living.

— Daniel Drezner