Croatian researchers from Zagreb University are training honeybees to detect landmines in the Balkans. By feeding the bees a solution of sugar and TNT, the insects learn to associate the scent of explosives with a possible food source.
"Honeybees Trained to Locate Landmines,"
Journal of Conventional Weapons Destruction: Vol. 17
, Article 24.
Available at: http://commons.lib.jmu.edu/cisr-journal/vol17/iss3/24