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European leaders resolved Friday to revisit safety at nuclear reactors as emergency workers in Japan suffered radiation burns and rising global fears of food contamination hit home.

Electromagnetic radiation from cellular phones may adversely affect bone strength, suggests a study in the March Journal of Craniofacial Surgery.

Marine researchers from the Wildlife Conservation Society and other groups have created a map of the world's corals and their exposure to stress factors, including high temperatures, ultra-violet radiation, weather systems, sedimentation, as well as stress-reducing factors such as temperature variability and tidal dynamics.

A group of Cornell-developed, fingernail-sized satellites may travel to Saturn within the next decade, and as they flutter down through its atmosphere, they will collect data about chemistry, radiation and particle impacts.

Invisibility appears to be the next possible advance in the use of Terahertz radiation in medicine, security, and communications.

Cursed by the winds that blow from Chernobyl a few kilometres away, Pripyat is a snapshot of the astronomical cost of the world's worst nuclear disaster. And its fate stirs chilling thoughts for Japan, grappling with its own nuclear crisis in Fukushima.