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w hether or not we have free will is a question philosophers have been debating for millennia. In the early 1980s, there was a brief moment when it appeared the debate may finally have been settled. T

Spotting cancer with computer vision. Pulling together weather data for better predictions. Solving long-running research quandaries such as protein folding. These are useful tasks for AI that benefit

Clouds of noxious gas, stink bombs and purple smokescreens may sound like schoolboy pranks, but the animal world is just as capable of executing arresting chemical warfare, says Deborah Nicholls-Lee