After more than two decades of work, Mozambique is now clear of landmines - freeing up valuable agricultural land, opening up tourism and infrastructure development, and ensuring the safety of rural communities.
With their long trunks, elephants have a remarkable sense of smell. Now, a South African is training a group of the pachyderms to smell out explosives and narcotics. The US army hopes to understand the biology and turn it into science.
Already a hero in Southern Africa for its ability to sniff out landmines, the African giant pouched rat is once more turning out to be a lifesaver by accurately detecting the presence of tuberculosis bacteria in human sputum samples.
• SA mine detector gets top recognition
Fields of unexploded landmines in once war-torn African countries wreak havoc on both lives and economies, and are costly and difficult to defuse. Now a Belgian engineer has devised a quick, safe and low-tech method of demining these fields – using rats.