Directional control of self-propelled protocells

Synthetic protocells can be made to move toward and away from chemical signals, an important step for the development of new drug-delivery systems that could target specific locations in the body. By coating the surface of ...

US university coding future of news

Personalized newscasts culled from the Web and presented by digital avatars. Baseball stories written by computers using raw data.

Push for futuristic guns builds on embattled past

It sounds, at first, like a bold, next-generation solution: personalizing guns with technology that keeps them from firing if they ever get into the wrong hands. But when the White House called for pushing ahead with such ...