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Optimal hash arrangement of tentacles in jellyfish

OPEN Scientific reports | 9 Jun 2016

T Okabe and J Yoshimura
Abstract
At first glance, the trailing tentacles of a jellyfish appear to be randomly arranged. However, close examination of medusae has revealed that the arrangement and developmental order of the tentacles obey a mathematical rule. Here, we show that medusa jellyfish adopt the best strategy to achieve the most uniform distribution of a variable number of tentacles. The observed order of tentacles is a real-world example of an optimal hashing algorithm known as Fibonacci hashing in computer science.
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Concepts
Cryptographic hash function, Scientific method, Hash function, Cryptography, Algorithm, Computer science, Jellyfish, Mathematics
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