From terror attacks to the War on Terror, bursting real estate bubbles to crystal meth epidemics, sexual predators to poisonous toys from China, our list of fears seems to be exploding. And yet, we are the safest and healthiest humans in history. Irrational fear is running amok, and often with tragic results. In the months after 9/11, when people decided to drive instead of fly-believing they wee avoiding risk-road deaths rose by 1,595. Those lives were lost to fear.

The Science of Fear is a disarmingly cheerful roundtrip shuttle to the new brain science, dissecting the fears that misguide and manipulate us every day.

As award-winning journalist Daniel Gardner demonstrates, irrational fear springs from how humans miscalculate risks. Our hunter-gatherer brains evolved during the old Stone Age and struggle to make sense of a world utterly unlike the one that made them. Numbers, for instance, confuse us. Our “gut” tells us that even if there aren't “fifty thousand predators…on the Inte