Maintaining balance requires the translation of a high-level command??Keep the body's center of mass over the feet??to low-level adjustments in individual muscles and joints. A new paper finds that a simple translation between these two levels of control provides a robust explanation for responses to several types of perturbations.
The historic takeover of Fannie Mae and Freddie Mac, which could come as soon as this weekend, moved to the forefront of the presidential campaign Saturday.
In the arena that night, the whole last minute was drowned out by cheers — and then when the soaring music swelled, the confetti rained down as the harbinger of balloons and the hopeful first family took the stage, forget about it — it was a perfect end to a convention that last Monday, no one even knew if it would happen. But it did, and I'm so glad to have been there.
