Halloween Special: Real-Life Zombies
01:26 | 04.10.20 | NR | CC
In a spooky coup, a parasite worm hijacks a snail's brain and makes the snail sacrifice itself to a hungry bird. Carl Zimmer, author of the book Parasite Rex, explains how the snail's death helps the parasite perpetuate its sneaky species.
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Halloween Special: Real-Life Zombies04.10.2020