Cicadas are the only known creature that can kill bacteria on contact via nothing more than nanostructure.

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A giant American wasp called the tarantula wasp has a sting so painful, that one peer-reviewed journal advises anyone who gets stung to “lie down and scream” to avoid further injury.

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Ants use “social immunization.” If one is infected with a fungus, they still lick the ant, spreading it throughout the colony. This practice both kills some of the spores, and builds immune resistance.

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Instead of venom, the Braconid wasp produces an immune-suppressing virus, which paves the way for its parasitic larvae in the host. This adaptation is the result of a 100-million year old virus, which altered the wasp’s DNA leading to the formation of an organ, whose sole purpose is to assemble the virus.

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