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WATCH: These Mind-Controlling Parasites Are Freaky, And Apparently There Are A Lot Of Them

08/29/2014 02:00 pm ET | Updated Oct 29, 2014

How do you explain suicidal crickets and zombie caterpillars? One word: parasites. Science writer Ed Yong shows us how these tiny creatures force insects and animals to do their bidding, and asks: Are parasites manipulating humans, too?

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