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

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David Farrier Nature’s Genius Evolution’s lessons for a changing planet 288pp. Canongate. £20. In David Farrier’s latest book, he warns us that humanity is endangering every facet of life on Earth thr

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West Florence High School in South Carolina spent nearly a month between 25 August and 19 September plagued by a mysterious fæcal stench that disrupted classes, caused problems with the air conditioni