Special report: After Japan's megaquake

Earth

Eyewitness videos reveal secrets of Japan's tsunami

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Japan megaquake shifted gravity satellite orbits

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Huge tsunami made Japanese blasé about smaller waves

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Caesium fallout from Fukushima rivals Chernobyl

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Nuclear crisis: How safe is Japan's food and water?

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Japanese fatalistic about risk of death from earthquake

Technology

Japan's record of nuclear cover-ups and accidents

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After the flood: triage for disaster recovery

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Why Fukushima Daiichi won't be another Chernobyl

There's more to fear from nature than nuclear power

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The megaquake connection: Are huge earthquakes linked?

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Fukushima throws spotlight on quake zone nuclear power

Technology

Building shelters that can withstand a tsunami

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A measured disaster: Following quakes in fine detail

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Japan quake shifts Antarctic glacier

Technology

Briefing: How nuclear accidents damage human health