We canvassed the world of the social and behavioral sciences, looking for rising stars whose careers promise to make a lasting mark. We'll be profiling the top 30 throughout the month of April.
In downtown Vancouver, government-approved researchers are providing drug addicts with heroin to see if a dependable supply of the substance will improve lives.
The problem with placemaking. Or, what happens when a city becomes a magnet for the globe's upwardly mobile, with growth outpacing what the locals can keep up with.