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When insects go foraging, they zoom off from their nest in complex zig-zag paths. How do they manage to find their way back home? And how do they manage to do so along a straight path? These questions are explored in an exhibit at the Royal Society Summer Science Exhibition, currently taking place at the Southbank Centre in London.

Geoff Wilson is an air traffic controller for the Royal Air Force. Recently back from Kabul in Afghanistan, he tells Plus how logical thinking under pressure is crucial in his job.