Welcome to Doonesbury's web site, which features not only each day's strip (easily enlargeable for your easy-viewing pleasure), but also the daily SayWhat? quote, a constant flow of reader Blowback, a ...

To obtain robust estimates of motion, a four-dimensional registration model was devised that encouraged smoothly varying motion between adjacent respiratory time frames. Registration parameters were ...

In chess circles, that name has long carried significant weight. Gary Kasparov became a world chess champion in 1985 and ...