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Earth

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

Alerts have been issued on radiation levels in some Japanese food and water – how dangerous are they?

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Earth

How Josef Oehmen's advice on Fukushima went viral

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Japan's record of nuclear cover-ups and accidents

Technology

Japan's record of nuclear cover-ups and accidents

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Why Fukushima Daiichi won't be another Chernobyl

Earth

Why Fukushima Daiichi won't be another Chernobyl

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Fukushima throws spotlight on quake zone nuclear power

Earth

Fukushima throws spotlight on quake zone nuclear power

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Technology

Briefing: How nuclear accidents damage human health

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Technology

Shock wave puts hybrid engines in a spin

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Smart-grid 'stockbrokers' to manage your power

Technology

Smart-grid 'stockbrokers' to manage your power

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Solar energy spars with spiritual lands in California

Earth

Solar energy spars with spiritual lands in California

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Power of cool: Liquid air to store clean energy

Earth

Power of cool: Liquid air to store clean energy

If solar or wind energy is going spare, why not store it as frigid liquid air to generate power when demand peaks?

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Technology

Magnetic 'battery' to report on century-old nuke waste

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Technology

Nuclear agency plans for futuristic waste option

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Earth

A blue-green revolution: Upgrading photosynthesis

Features

Technology

Cellphone signals get personal to save power

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