Art historians studying a painting by Pablo Picasso have uncovered the mysterious portrait of a woman, hidden beneath its surface. The portrait of the woman was lost when Picasso painted over it ...

We invited teenagers to write miniature memoirs about meaningful moments in their lives. Read the 20 winning stories. By The Learning Network This year’s Super Bowl was likely the biggest ...

For example, women’s participation increases the probability of a peace agreement lasting at least two years by 20 percent and a peace agreement lasting fifteen years by 35 percent. Yet despite ...