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Yeast-powered fuel cell feeds on human blood

Technology

Yeast-powered fuel cell feeds on human blood

A small fuel cell containing brewer's yeast generates electricity from the glucose found in blood – it could one day be used to power medical implants

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Ice that burns could be a green fossil fuel

Earth

Ice that burns could be a green fossil fuel

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Neutron tracks revive hopes for cold fusion

Technology

Neutron tracks revive hopes for cold fusion

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'Hearts and minds' approach needed in green tech drive

Earth

'Hearts and minds' approach needed in green tech drive

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Oil rigs may be fit for porpoise

Earth

Oil rigs may be fit for porpoise

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Atomic construction yields punchier power store

Technology

Atomic construction yields punchier power store

News

From AC to DC: Going green with supergrids

Earth

From AC to DC: Going green with supergrids

Features

Solar power schemes could protect nature reserves

Earth

Solar power schemes could protect nature reserves

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Earth

'Nanoball' batteries could recharge car in minutes

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Salt solution: Cheap power from the river's mouth

Earth

Salt solution: Cheap power from the river's mouth

Forget barrages, dams or tidal turbines – "salinity power" offers the hope of generating electricity from rivers and estuaries without damaging the environment

Features

Earth

Gas tank of the future takes a step closer

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Earth

Sun-powered device converts CO₂ into fuel

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Earth

Why sustainable power is unsustainable

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Earth

Carbon catalyst could herald cut-price fuel cells

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