Technology
Artificial leaves: Bionic photosynthesis as good as the real thing
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green technology
Chemistry
Endlessly recyclable materials could fix our plastic waste crisis
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Technology
How to make sustainable batteries that won't wreck the planet
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The race is on to tackle climate change by pulling carbon from the air
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Medical dressing works like duct tape to seal internal wounds
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Electric wound dressing could help injuries heal faster
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Will 5G mobile networks in the US really interfere with aircraft?
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Portable laser scanner creates colour 3D images of surfaces or objects
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Corkscrew-shaped robot swims through blood vessels to clear blockages
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Outsider wins DARPA challenge to predict where floats drift at sea
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GPS software boost lets smartphones pinpoint location to within 20 cm
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