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

An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey

Yossi Yovel The Genius Bat Understanding our most mysterious mammal 336pp. Oneworld. £20. Philosophy begins with wonder, according to Plato and Aristotle. As for philosophy, so, and more so, for biolo

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Organic gardening helps predators such as ladybirds, which ...