9 years ago
Common Parasite Could Manipulate Our Behavior
Imagine a world without fear. It might be empowering to go about your daily life uninhibited by everyday distresses. You could cross highways with confidence, take on all kinds of daredevilry and watch horror flicks without flinching. Yet consider the prospect a little more deeply, and the possibilities become darker, even deadly. Our fears, after all, can protect us. The basic aversion that a mouse has for a cat, for instance, keeps the rodent out of death's jaws.
Continue Reading
http://www.scientificamerican.com
Join the Discussion