What kind of research is being done using plants in detecting landmines?
Research being done by the University of Alberta (Canada) has found that genetically engineered plants can detect landmines if they are planted in the area of landmines. The leaves or flowers of modified plants change color when planted in the vicinity of certain explosive elements. Chemicals in the landmines leak into the soil around them, which changes the soil composition; this changes the chemical processes in the plant and activates the modified gene in the plant, making it look different.