Blue streetlights may prevent crime, suicideDecember 10th, 2008 in Other Sciences / Other
Blue streetlights are believed to be useful in preventing suicides and street crime, a finding that is encouraging an increasing number of railway companies to install blue light-emitting apparatus at stations to prevent people from committing suicide by jumping in front of trains.
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"Blue streetlights may prevent crime, suicide." December 10th, 2008. http://phys.org/news148153021.html