Taking the lead from man's best friend, the military wants to turn odor recognition into a science.

Taking racial profiling to a whole new level, apprently terrorists smell diffrently then others.

Seedmagazine: The Defense Advanced Research Projects Agency, or DARPA, the government's primary agency for military research and development, has the time and resources to dream up some of the most groundbreaking ideas that modern science will allow. This pie-in-the-sky thinking can lead to great breakthroughs, though over the years there have been a few spectacular flops—Anyone remember weaponized bees?