Shankar Vedantam

LOSING YOUR RESOLVE? TRY SHAME

January 11, 2009 | 6:59am

One thing is true about New Year's health resolutions: They fail. But researchers have found the most effective way to get people to change their behavior revolves around the clever...

LEAD-PAINT LINK TO DIP IN CRIME

July 9, 2007 | 9:00am

Rudy Giuliani never misses an opportunity to remind people about his track record in fighting crime as mayor from 1994 to 2001. "I began with the city that was the...