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The flavour of fresh lemon is delicious, but this citrus fruit becomes even more wonderful when it is preserved in salt, says Sam Wong
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First farmers in the Atacama desert had a history of brutal violence
[ad_1] By James Urquhart An aerial view of coastal area of Llanos de Challe National Park in the Atacama Desert abriendomundo/Getty Images When coastal hunter-gatherers settled inland to begin farming about 3000 years ago in the Atacama desert, their violence became more gruesome, often with intent to kill, according to a study of human remains […]
3D-printed robotic hand has working tendons and muscles
[ad_1] A 3D printer that can produce complex systems of bendy and rigid materials, such as a robotic hand or an artificial heart, could be used to make more lifelike robots. Robert Katzschmann at the Swiss Federal Institute of Technology in Zurich and his colleagues have developed a 3D printer that can produce systems with […]
The dream of a greener post-pandemic society seems to be fizzling out
[ad_1] As well-vaccinated countries see a path back to normality from the coronavirus, the greener lifestyles we adopted and hoped to make permanent seem to be slipping away, says Graham Lawton [ad_2] Source link