Science Jan 11

Watch 5:57
A neuroscientist lays out the keys to aging well

As a neuroscientist, professor emeritus of psychology, musician and best-selling author, Daniel Levitin has extensively studied the brain and its impact on aging. His latest book, "Successful Aging," explores the questions: what happens in the brain as we age and…

World Nov 25

Watch 7:55
In Italy, rising anxiety over falling birth rates

Family size has been shrinking in the industrialized world for decades, and in Italy, the decline has been particularly dramatic. A generation ago, Italian mothers commonly had more than four children. Now they average less than two. Demographers warn that…