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energy and fuels

Top view of suburban homes; Shutterstock ID 2421124935; purchase_order: -; job: -; client: -; other: -

Environment

Virtual power plants could ease growing strain on US electric grid

Energy-saving networks that link smart devices, solar panels and batteries could regulate power demand and help avoid fossil fuel use at peak times

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Thermal-trapping device reaching 1050 degrees Celsius CREDIT Device/Casati et al. USAGE RESTRICTIONS Credit must be given to the creator. Adaptations must be shared under the same terms.

Physics

Sunlight-trapping device can generate temperatures over 1000°C

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EKXM2R Groundwater well and standpipe for crop irrigation. Porterville, Tulare County, San Joaquin Valley, California, USA

Environment

Around half the world could lose easily accessible groundwater by 2050

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We are about to hear echoes in the fabric of space for the first time

Space

We are about to hear echoes in the fabric of space for the first time

Features

Humans

Did humans evolve to chase down prey over long distances?

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Health

Extreme exercise may help you live longer without stressing your heart

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A slice through the largest 3D map of our universe to date

Space

Invisible 'dark radiation' may explain a big problem with dark energy

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Environment

Renewables supply 30 per cent of global electricity for the first time

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Life

Orangutan is first non-human seen treating wounds with medicinal plant

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View Los Angeles financial district skyline at night

Environment

The shift to LED lighting is stopping us from seeing our night skies

From an energy perspective, the move away from sodium vapour lamps to LEDs is great, but the news isn't so good when it comes to light pollution. The way we illuminate the world needs to be part of our green agenda, says Chanda Prescod-Weinstein

Comment

Physics

Nuclear fusion experiment overcomes two key operating hurdles

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Chemistry

Drug residue can be detected in fingerprints left at crime scenes

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Environment

Wind turbines based on condor wings could capture more energy

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Health

Cocaine seems to hijack brain pathways that prioritise food and water

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