Hunting Minefields in the Dark.

“The bugs can be mixed into a colourless solution, which forms green patches when sprayed onto ground where mines are buried.

Edinburgh University said the microbes could be dropped by air onto danger areas.

Within a few hours, they would indicate where the explosives can be found. ” then wait until it’s dark and walk quietly across the Korean border.
Glowing bugs could find landmines (via cory @ BoingBoing)