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recent bookmarks from jmBBC News - The hum that helps to fight crime2012-12-12T13:25:32+00:00
http://www.bbc.co.uk/news/science-environment-20629671#TWEET440801
jmbuzz hum uk mains power 50hz crime forensics bbchttps://pinboard.in/https://pinboard.in/u:jm/b:c7e4d492fb99/