All three hosts—but especially the United States—are home to some of the most diverse diaspora communities in the world.

WILLEMSTAD, Curaçao—A group of children saunter their way through physical education class, amid the searing heat of the mid-spring sun in Curaçao. They bounce between Papiamento (the local language), ...

In “How Flowers Made Our World,” David George Haskell makes a case for their soft power. By Adam Nicolson Adam Nicolson is the author, most recently, of “Bird School: A Beginner in the Wood.” When you ...