The Pulitzer Prize-winning playwright Lynn Nottage on the story of race and Appalachia. The restaurateur and author Eddie Huang on racial stereotypes and diversity in Hollywood. Leon and Rosina Watson on marrying across the color line in 1950 — when it was still illegal in much of the country.

Over the past year, we have hosted weekly live conversations about race and ethnicity on Facebook, tackling topics that ranged from black royalty to Latino baseball players to Asian-American slurs. RaceNYT, as we call the segment, is an extension of the crucial coverage on race — in America and beyond — that appears in The New York Times. We see it as a chance not only to explore important stories of race and what they mean to society, but also to give you, our readers and viewers, a chance to join the conversation.

These subjects are not always easy to talk about. Why, for instance, is affordable housing built mostly in poor, heavily minority areas? What are the terms about race that make us uncomfortable? And what do the United States and major institutions like universities owe the descendants of the enslaved people they profited from?

We explored these issues and more with a wide range of guests, including political strategists, filmmakers, academics and Times viewers. Here are five takeaways from the show:

1. Racial issues transcend oceans