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Things That Can Kill You
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Our Weird Planet

Fungus turns ants into zombie followers

A strange fungus takes over ant brains to guide them to their own doom

By Smartasaurus· 1 min read Curious

Imagine a tiny ant

Mechanism call

Take a position: what's actually doing the work here?

One of these is closer than the rest. Commit before you find out.

The short version
  • A strange fungus takes over ant brains to guide them to their own doom
  • This manipulation is precise: the fungus directs the ant to locations with ideal temperature and humidity for its own growth and reproduction, typi…
  • A single "zombie ant" can release tens of thousands of fungal spores.

High in the tropical canopy, an ant, compelled by an unknown force, abandons the safety of its colony. It descends to a specific leaf on an understory plant, clamps its mandibles onto the central vein with a "death grip," and there it remains, motionless.

Within hours, a stalk erupts from the ant's head, pushing through its exoskeleton. This grotesque bloom is the fruiting body of a parasitic fungus, *Ophiocordyceps unilateralis*, ready to disperse its spores.

The ant is no longer master of its own movements. The fungus has infiltrated its muscle fibers, creating a biological puppet. As the fungal cells proliferate, they excrete neurotoxins and enzymes, effectively steering the ant toward its predetermined, fatal destination.

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Sources (2) — tap to view
  1. 1.Ophiocordyceps and the ant brain (BMC Ecology)
  2. 2.3D imaging of Ophiocordyceps infection (PLOS Pathogens)
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Your city might cook you alive
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