There are zombies among us

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   Ponedjeljak, 01 Travanj 2013 13:15

Imagine a parasite that lodges in the brain and starts to exert a sinister influence over your behaviour. It affects how sexy you feel, or how angry or frightened, even how you dress. Not only does such a creature exist – but it may have infected up to 40 per cent of the population.
Perhaps the most famous example of such “zombie reprogramming” (or neuroparasitology, to give it its proper name) comes from a parasitic wasp that attaches its eggs to the belly of an orb spider. Larvae emerge and release chemicals that zombify the spider, which stops spinning its normal spiral web and instead starts producing a cocoon to hold the baby wasps when they emerge.

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