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Animal kingdom's most powerful puncher generates a 'phononic shield' to protect itself

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Peacock mantis shrimp (Odontodactylus scyllarus) is the strongest self-powered strike by an animal.

They use hammer-like fists, or dactyl clubs, to shatter prey 's shells.

Researchers at Northwestern University examined the structure of the shrimps' clubs.

Their findings revealed that the microstructure of these clubs act as natural shock absorbers to limit damage.