Dan Ferber

Innovations in battlefield medicine are ensuring that more combatants survive. Often, the technology follows them home

Programming bacteria like computers, scientists tap an unexpected labor force.

When David Hanson set out to build a robotic head, he saw no reason not to make it look just like a human. Then he stumbled into the Uncanny Valley.

Real-life humanoids

The battle over genetically modified food is over: Supercrops won. Now crops designed to yield drugs and vaccines have come close to slipping into our food supply. No one knows if they're safe, and everyone involved seems to have something to hide.