english: The answer comes from a behavioral science experiment that was run one hot summer, 10 years ago, and only 90 miles from here, in San Marcos, California.
non_english: Odgovor se nalazi u bihejviorističkom eksperimentu sprovedenom jednog toplog leta, pre 10 godina, i na samo 150 kilometara odavde, u San Markosu u Kaliforniji.