Dr Axel Klein specialises in the study of addictive behaviour at the University of Kent.

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John Dabiri of the California Institute of Technology, for example, has used the technique to study the hunting behaviour of jellyfish.

ECONOMIST: Lagrangian coherent structures

Variability increases as components shrink, said Professor Asenov, who has been using large scale simulations on grid computers to study how the behaviour of transistors changes as they get smaller.

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