The genetically modified mouse is five hundred times more sensitive to the smell of explosive than a normal mouse Scientists have genetically modified mice to enable them to sniff out landmines. They hope the GM mouse, known as MouSensor, could one day become a useful tool to help deal with the dangerous legacies of past wars. More than 70 countries are contaminated by unexploded landmines, a constant reminder of previous conflicts. “Long after wars have ended, communities are still impeded from going back to their normal, daily activities because of all these mines still affecting their land,” said Charlotte D’Hulst of Hunter College, New York, who led the team that developed the MouSensor.

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