Vehicle of Change

It's not just about transportation: the transition to fuel-cell cars could transform energy infrastructures and developing economies while helping the environment

Controlling Robots with the Mind

People with nerve or limb injuries may one day be able to command wheelchairs, prosthetics and even paralyzed arms and legs by "thinking them through" the motions

Technology against Terror

Biologists and engineers are devising early-warning systems that can detect a bioterrorist attack in time to blunt its effects

Lightning Rods for Nanoelectronics: Basic Effects of High Voltages in Semiconductors

Skin Deep

Throughout the world, human skin color has evolved to be dark enough to prevent sunlight from destroying the nutrient folate but light enough to foster the production of vitamin D

The Emptiest Places

Space comes in degrees of emptiness, but even in the wasteland between galaxies it is not a complete void

The Vigilance Defense

Proven systems and well-prepared people are our best protection against bioterror