Or how simple and low-cost operant conditioning can save lives. This is the kind of human-centered design solution I like!
A researcher is training rats in Mozambique to detect and wait for a human everytime they smell a landmine. Although huge, the rats are not heavy enough to activate a mine, which seems a win-win situation.
The idea is not new, and I’ve heard in before in my Psychology of Leaning classes, but it seems like a pretty cool solution.