If you made it through the zombie movie craze of the early 2000s, you might have done so by whispering to yourself that zombies aren't real. Well, Haitian Voodoo-style zombies might have a basis in fact , and there have been various points in history where other people were convinced that the walking undead were a thing — just ask a medieval peasant about zombies on your next time-traveling trip. But, come on, we all know that there's no such thing as the living dead shambling around, biting others, and spreading a terrible disease through an entire population. Right?

Maybe not, if you're an ant. As "The Last of Us" so dramatically demonstrated, first in video game form and then as a hit HBO series, there are some real pathogens in the animal world that induce very zombie-like behavio

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