Researchers are developing computer systems that systems become their own security experts, adapting to threats as they unfold and staying one step ahead of the action.
New intrusion-detection software is being developed that mimics biological immune systems, learning to watch for unusual events. Other software randomly generates "detectors," throws away those that match normal behavior, and retains those that represent abnormal behavior.
The Internet, so relentlessly hyped in the late 1990s, may actually be doing more to boost U.S. productivity than most people have imagined. Its unique ability to foster human interaction may prove to be a hidden catalyst for solving some of society's toughest problems.
The mining of asteroids, space-based hotels, zero-gravity manufacturing and medicine -- they're all part of the future commercialization of space, according to a joint government and industry group that's developing the InterPlaNetary (IPN) Internet.