The United States is a graying country; the median age is near 40.
In many African countries, the median age is under 20, so it might behoove the world to invest some time and money into understanding teens.
That is an approach advocated by Nick Allen, University of Oregon professor and director of UO's . He and colleagues at the University of California-Berkeley for expanded study of development and other issues for teenagers. Dr. Allen talks about his work in this month's edition of Curious: Research Meets Radio.