More specifically, researchers have been interested in the link, if any, between the extremely low frequency magnetic fields generated by these lines and childhood leukaemia.

ECONOMIST: Power lines and cancer

Residents from the surrounding housing estate became concerned about the frequency of the events in the summer months and the noise they generated.

BBC: Northampton lift tower seeks abseiling permission

Using millimeter wave technology, which the TSA says emits 10, 000 times less radio frequency than a cell phone, the machine scans a traveler and a robotic image is generated that allows security personnel to detect potential threats -- and, some fear, more -- beneath a person's clothes.

CNN: Airport security bares all, or does it?