Tanzania: Hero Rats
Sniffing land mines, saving lives
For the past seven years, Bart Weetjens has been running a unique lab in Tanzania, where he trains rats to sniff out deadly unexploded land mines -- the legacy of countless bloody conflicts. In Hero Rats, FRONTLINE/World reporter Alexis Bloom accompanies Weetjens to work in Mozambique to watch his trained rodents in action.


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