Smoking increases depressive symptoms in teens

Montreal, August 27, 2010 — While some teenagers may puff on cigarettes to ‘self-medicate’ against the blues, scientists at the University of Toronto and the University of Montreal have found that smoking may actually increase depressive symptoms …

Researchers develop techniques to compute Google-style rankings 5x faster

Computer science researchers at Stanford University have developed several new techniques that together may make it possible to calculate Web page rankings as used in the Google search engine up to five times faster. The speed-ups to Google’s method may make it realistic to calculate page rankings personalized for an individual’s interests or customized to a particular topic.