Safecast Draws on Power of the Crowd to Map Japan's Radiation http://safecast.org/ For More: http://to.pbs.org/sUnoTL http://to.pbs.org/vOowHx Eight months after a tsunami caused a nuclear accident in Japan, ordinary people are using new technology and the power of crowdsourcing to find radiation hotspots. NewsHour science correspondent Miles O\'Brien reports from Japan.   Real News World Wide [...]

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