Science & technology
The cosmic corkscrew
According to the text books, space looks the same in every direction. Einstein said so. But it appears that the text books (and Einstein) may be wrong
Intelligent roads
Highway to heaven?
Flat-screen displays
When size matters
The whore of Babylon and the horseman of plague
Recent experience with Iraq suggests that preventing the proliferation of biological weapons will be difficult but not impossible
Rocket science
Abandon spaceship
How (and why) to find a needle in a haystack
The proper functioning of organisms depends on a complex game of hide-and-seek conducted inside the cell. Biologists are now beginning to draw on information theory to develop a better understanding of the rules of this game