As Gordon Brown visits Saudi Arabia, the Observer's political columnist Andrew Rawnsley writes, 'Green politics matter now more than ever. It is not woolly to be green at this time. It has never been more hard-headed.' His piece ends, 'Green is better than good. It is smart.'
Venus flytrap cyborg snaps shut with commands from a smartphone
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Researchers created a plant-based robotic arm by connecting a Venus flytrap
equipped with soft electrodes to a metallic structure and wirelessly
commanding...
5 hours ago
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