As the only nation devastated by nuclear weapons, Japan has long held to pacifism. There's been virtually no public debate about whether the country needed nuclear weapons, although they're well within its technological grasp. But a combination of factors - including the nuclear threat from North Korea, the rise of China, the ebbing of once-strong peace movements and Japan's rightward drift - have chipped away at old taboos.
Two start-ups have developed technology that monitors a player's brain waves and uses the signals to control the action in games. They hope it will enable game creators to immerse players in imaginary worlds that they can control with their thoughts instead of their hands.
The United States has promised to make public in the next few months its new space doctrine, which allows for the deployment of weapons in outer space.
Independent European foreign policy specialists believe it may not be possible to stop Iran from developing nuclear weapons and that the cost of doing so will at a minimum be colder houses and much higher prices for gasoline.
While the Pentagon struggles to deploy a huge antimissile system against a presumed threat from North Korean rockets, biologists are working to develop tiny "antimicrobial" defenses against harmful germs, including from biological weapons.
The U.S. Defense Department hopes an elite group of AI scientists will develop more tools to help intelligence analysts find terrorists before they strike.
The Earth's protective magnetic field is weakening, and if that continues, the field could flip, and compass needles would point south instead of north.
Environmentalists and nanotechnology advocates are squaring off over the promise and perils of nanotechnology.
Demonstrating a significant shift in America's nuclear strategy, the Bush administration intends to produce -- not just research -- a thermonuclear bunker-busting bomb to destroy hardened, deeply buried targets.
When war ends in Iraq, the U.S. will give "extremely high priority" to halting a secret nuclear weapons program in neighboring Iran according to U.S. Undersecretary of State John Bolton.