REWIRE

Paleontologist Jingmai O’Connor talks about the importance of Liaoning, a region in China, and the fossils found there in the new doc "When Whales Walked."

Thousands of people were fired or kept from jobs because of their sexual orientation during the 1950s — a crackdown that's now called “The Lavender Scare.”

There are safeguards making sure the person giving the order to launch nuclear weapons is the President, but not guaranteeing the order itself is necessary.

The scientific and social phenomenon of this chapter in world history is captured in a new PBS documentary, "Ozone Hole: How We Saved the Planet."

As long as historians challenge historical narratives with open minds and a genuine spirit of inquiry, the result is almost always beneficial.

"Women, War & Peace II," the second part of the 2011 documentary, seeks to remind people how essential women are, and have been, to global peace efforts.

Regardless of where you're from, your city was probably participating in institutional racism limiting where people of color could and could not live.

We spoke with "Finding Your Roots" genealogist Johni Cerny about what goes into filling out the branches of a family and the joy of helping people connect.

Minding the Gap tells a story of feeling stuck in the Rust Belt, of confronting your past, of feeling like an outsider, and of surviving domestic violence.