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PBS News Hour

Safecast Draws on Power of the Crowd to Map Japan's...

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.

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October 22, 2025 - PBS News Hour full episode
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October 22, 2025 - PBS News Hour full episode
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October 20, 2025 - PBS News Hour full episode
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October 19, 2025 - PBS News Weekend full episode
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October 17, 2025 - PBS News Hour full episode
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October 12, 2025 - PBS News Weekend full episode
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October 11, 2025 - PBS News Weekend full episode
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