The term Levy walks was first coined by Schlesinger to explain atypical particle diffusion not governed by Brownian motion (BM). The term named after the French mathematician Paul Pierre Lévy, is a type of random walk in which the increments are distributed according to a "heavy-tailed" probability distribution.
So if you want a particular item in shop, then you are not searching every corner of the shop rather going in a particular direction and then including several short ones. The marine predators like Atlantic cod make optimal use of this concept and catches its prey.
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