The researchers believe they are on the verge of perfecting a briefcase-size system that can be carried around and deployed easily, using laser technology to track bees that have been trained to find explosives.

I'm not sure how the hell you train bees, and the 150 yards the laser system works to isn't all that far when you're talking about a mine field, but if it's actually doable it sounds cool.

BillingsGazette.com :: Some convinced insects could be used to detect bombs