Three-Species Parasites with Mind Control

The Lancet liver fluke (Dicrocoelium dendriticum) is the craziest parasite ever! These things travel through the digestive systems of cows, get pooped out and eaten by snails, leave the snails in slime that gets eaten by ants. The parasites then enter the ants’ brains and CONTROL THEIR BRAINS like so: At night when the temperature drops the ants are compelled to climb to the tops of blades of grass and hang on. If they survive and day returns, they go about their normal business like nothing’s wrong. But each night they climb up blades of grass until eventually they are eaten by grazing cows!

http://en.wikipedia.org/wiki/Dicrocoelium_dendriticum

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~ by hobzcalvin on April 24, 2007.

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