The sample and the particles then drift along the channels towards spin valves that have been prepared with different antibodies to the same target molecules.

ECONOMIST: Labs on a chip

Other models, relying on the National Oceanographic and Atmospheric Administration, project that any radioactive plumes would head east and drift over water for a few days, such that the majority of the radioactive particles would gradually dissipate into the ocean.

FORBES: What's Next For Japan: The Short and Long Term