Giant African rats have extraordinary ability in the detection of deadly mines, helping them to clean large areas.
The proposal to use rats to find mines, was greeted with skepticism by the authorities of Mozambique. "In Mozambique we eat rats" - jokes Alberto Augusto, who heads the National Institute for Demining.
These giant rodents harness in harness and run along the rope, between two trainers. Stopping rats indicates detection of mines.
Land mines (landmines) continue to be the most dangerous weapon in the world, especially in countries affected by conflict. According to the International Committee of the Red Cross, every month more than 800 people die and 1,200 maimed by land mines, and most of them are children, women and the elderly.
Over the past few decades, research in the field of detection of land mines were spent hundreds of millions of dollars.
Most of the new demining technologies are usually very slow and expensive process.
Using these rats to provide several advantages. First, they are very cheap and do not require large expenditures for breeding. These African rats have poor eyesight and are forced to rely on a heightened sense of smell, making them an ideal means of detecting explosives.
Their life expectancy in captivity is eight years.
One of the main advantages of using rats is speed. The work to which a person with a metal detector will perform in two weeks, the rat performs most of the day.
Education rats lasts nine months.