TB trains rats to scent detect landmines and NGO Apopo . Apopo has almost cleared Valentine of landmines . A rat can clear a space 50-times faster than a manual deminer . Despite the creatures ' reputation for thieving and spreading disease , Weetjens has proven that rats can be every bit as heroic as people . A rat can sniff more TB samples in 50 hours than a lab technician can analyze in between 1999 and 2013 .
TB trains rats to scent detect landmines and NGO Apopo . Apopo has almost cleared Valentine of landmines . A rat can clear a space 50-times faster than a manual deminer . A rat can sniff more TB samples in 50 hours than a lab technician can analyze in between 1999 and 2013 .