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Fracking health risks: Drilling into the unknown

Earth

Fracking health risks: Drilling into the unknown

Many fear that by-products of shale fracking – cracking the rock to release its gas – will harm their health. �鶹��ý examines the evidence

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Power paradox: Clean might not be green forever

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Power paradox: Clean might not be green forever

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Costs of killing Iran's nuclear scientists

Technology

Costs of killing Iran's nuclear scientists

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Rescue struggles towards Alaska's frozen-in village

Earth

Rescue struggles towards Alaska's frozen-in village

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Fracking risk is exaggerated

Earth

Fracking risk is exaggerated

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Buildings and clothes could melt to save energy

Technology

Buildings and clothes could melt to save energy

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Why Iranian student had radioactive metal in his bag

Technology

Why Iranian student had radioactive metal in his bag

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Big ships go green with retro technology

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Big ships go green with retro technology

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Single particle is the smallest Stirling engine yet

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Single particle is the smallest Stirling engine yet

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US plans its first megadam in 40 years

Earth

US plans its first megadam in 40 years

The Alaskan Susitna dam would be just 8 metres shorter than the Hoover dam, and will not sit well with the tiniest shrew in the US

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Paint-on power, the saviour of solar

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Technology

Charge your electric car on the move

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New power plants and factories lock us into hot future

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Technology

Briefing: Iran's nuclear ambitions

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