Miss Marple has a remarkable nose for danger. She is a rat, and she detects landmines by smelling them. She was born in the training lab of the Belgian company Apopo in Tanzania. Here, African giant rats—the size of a cat—are taught to sniff out explosives hidden in the ground. After a year’s training, she is sent on her first mission to neighboring Mozambique, whose 30 years of war have left millions of mines hidden in the earth. A whole unit of rats walks delicately back and forth over the minefields, attached to lines. When they’ve finished, the fields are safe again. Hundreds of lives have been saved, and thousands of crippling injuries avoided. Miss Marple is a true hero rat!…