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Mars currently has an inhabitant – a car-sized robotic rover named Curiosity – and its sojourn has been extended indefinitely. With this in mind, we take a look at the goals of the mini spacecraft and the technology that makes it possible
As Ecuador announced the sale of three million hectares of pristine rainforest to Chinese oil companies, eco-activists issued a collective sigh of disappointment. But one third of the country still lives below the poverty line, and the investment could be a route to development