The Atlantic

Parasites Can Mind-Control Animals Without Infecting Them

In 2018, everything is a metaphor.
Source: Nigel Dell / Getty

A tapeworm is essentially a very long, parasitic towel with a grappling hook for a head. It attaches itself to the internal organs of its host with its fiendish head spines, and it absorbs nutrients through its tagliatelle-shaped body. Once fastened, it does very little. It has no mouth or gut, no circulatory or respiratory systems. Its sparse nerves culminate in a cluster that could barely be called

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