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Strange phenomena have always drawn crowds and history is replete with miracles that have been witnessed by many people

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

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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