Emotions and the Brain: Fear
Recent research shows that when something bad happens to you, part of your brain begins thinking independently, storing its own memories so it can save you next time. That worked fine a million years ago
by Steven Johnson, Graphics by Don Foley
Oh, Deer
Exploding populations of white-tailed deer are stripping our forests of life
Are We Ready for Alien Bugs?
In a dozen years, NASA plans to bring Mars soil samples to Earth. No one is quite certain what to do with them when they get here
Survivor
Older, more primitive skulls from Eurasia and Africa are changing what we thought we knew about where we came from
AIBO as Research Tool
Sony's AIBO robotic dog is a peek at a bizarre future when you won't know if a dog—or the pretty girl walking it—is flesh and blood or plastic and memory chips
The Hardy Sarah Blaffer Hrdy
The scientist who destroyed our quaint concept of what a mother ought to be comes to terms with her own life