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Throughline is a time machine. Each episode, we travel beyond the headlines to answer the question, "How did we get here?" We use sound and stories to bring history to life and put you into the middle of it. From ancient civilizations to forgotten figures, we take you directly to the moments that shaped our world. Throughline is hosted by Peabody Award-winning journalists Rund Abdelfatah and Ramtin Arablouei.

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Throughline

What powers the global internet? The answer might surprise you: not satellites, but hundreds of thin cables that run along the ocean floor. They’re an absolutely essential technology that’s also incredibly fragile — so fragile that in the beginning, most people thought they couldn't possibly work. Today on the show: the story of a man who did think they could work… and the lengths he went to to try and connect the world.

Guests:

Bill Burns, former BBC broadcast engineer and founder of atlantic-cable.com 

Cyrus Field IV, great grandson of Cyrus Field

Allison Marsh, professor at the University of South Carolina and historian of technology 

Ben Roberts, strategic advisor on Subsea Cable Economics for Connectivity at UNICEF who has been building cable network in Africa for the past two decades.

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The Internet Under the Sea

Israel and Hamas have agreed to a plan to end fighting in Gaza, just over two years after the Hamas-led attack on Israel on October 7th, 2023 and Israel’s subsequent bombardment and invasion of Gaza. As we wait to see what happens next, we’re revisiting our episodes looking at the history of major players on both sides of the conflict. Last week, we looked at the history of Hamas; if you missed that, go back and check it out. This week, we’re bringing you the story of the rise of right wing politics in Israel and President Benjamin Netanyahu’s political career. This episode first ran in 2024.

Guests: 

Amjad Iraqi, senior analyst for Israel/Palestine at the International Crisis Group and former senior editor at +972 Magazine. 

Natasha Roth-Rowland, historian and director of research and analysis at Diaspora Alliance, an international organization that combats antisemitism. 

Sara Yael Hirschhorn, historian,visiting professor at the University of Haifa and fellow at the Jewish People Policy Institute.

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The Rise of the Right Wing in Israel

With peace talks once again underway between Israel and Hamas, and hopes again growing for a permanent ceasefire, we’re bringing you our episode on the origins of Hamas: where it came from, how its influence grew, and what it represents. Next week, our episode on Benjamin Netanyahu and the rise of Israel’s right wing. This episode first ran in November 2023.

We've done episodes on Hamas, Israel, Lebanon, Iran, and more. Find them all in our series, "The Cycle".

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A History of Hamas

Journalism is under unprecedented threat worldwide. At least 220 journalists have been killed in Gaza alone since the October 7th, 2023 Hamas-led attack on Israel; the Committee to Protect Journalists says it’s the deadliest conflict for journalists the group has ever documented. In conflicts around the world, it’s war reporters who write the first draft of history. But getting to the front lines, finding the truth, and reporting it is easier said than done. Today on the show: war reporters, and what’s at stake if they can’t do their jobs.

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From the Frontlines

Life can be tough. Every day brings new challenges. And in order to get through the waking hours we need rest. Good quality sleep. In this bonus episode, a companion to our episode "The Way We Dream," we offer you a 30-minute audio journey into the deep. A smooth trip into the place where our minds are free from the confines of our self awareness, our dreams. This episode originally published in January 2022.

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Throughline Sleeps

The alleged link between vaccines and autism is back in the news this week, being regularly speculated on by both President Trump and Health and Human Services secretary Robert F. Kennedy Jr. The claim has been repeatedly disproven: there is no evidence that vaccines and autism are related. But the myth is powerful. In this episode: the roots of the modern anti-vaccine movement, and of the fears that still fuel it – from a botched polio vaccine, to the discredited autism study, to today. This episode originally published in February 2025. 

Guests:

Paul Offit, director of the Vaccine Education Center at the Children's Hospital of Philadelphia, and a professor of pediatrics at the University of Pennsylvania School of Medicine

Elena Conis, historian of medicine and public health and a professor in journalism and history at the University of California, Berkeley

Arthur Allen, senior correspondent for nonprofit KFF Health News and author of Vaccine: The Controversial Story of Medicine's Greatest Lifesaver

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The Anti-Vaccine Movement

The U.S. immigration detention system is spread out across federal facilities, private prisons, state prisons, and county jails. It’s grown under both Democratic and Republican presidents. And it’s been offered up as a source of revenue for over a century, beginning with the first contracts between the federal government and sheriffs along the Canadian border.

Guests:

Brianna Nofil, assistant professor of history at The College of William and Mary author of The Migrant's Jail: An American History of Mass Incarceration

To access bonus episodes and listen to Throughline sponsor-free, subscribe to Throughline+ via Apple Podcasts or at plus.npr.org/throughline.

Love podcasts? For handpicked recommendations every Friday, subscribe to NPR’s Pod Club here.

If you want to learn more about the history of Cuban migration to the U.S. and the Mariel Boatlift, check out season 2 of White Lies.

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The Business of Migrant Detention

The U.S. - Mexico border, according to a video on the official White House website, is very quiet: nothing but tires crunching on gravel and the wind whistling around a high, solid-looking wall. But that's not the whole story. Today on the show, how that border went from a line in the sand, to a fence, to a wall.

Guests:

Rachel St. John, associate professor of history at U.C. Davis, and author of Line in the Sand: A History of the Western US Mexico Border

Miguel Levario, associate professor of history at Texas Tech University and author of Militarizing the Border: When Mexicans Became the Enemy

Silvestre Reyes, former Congressman (D-TX), and former Border Patrol Sector Chief 

Eduardo Contreras, realtor in Brownsville, Texas

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Line. Fence. Wall.

What is ICE? What was it created to do? And what’s changed in 2025? Today on the show, the history of Immigration and Customs Enforcement and how it tracks the story of immigration, and politics, in the U.S.

Guests:

Peter Markowitz, professor at Cardozo School of Law in New York City and founder of the Kathryn O. Greenberg Immigration Justice Clinic.

Rodger Werner is co-author of “The History and Evolution of Homeland Security in the United States” and currently employed by the Department of Homeland Security. The views he expresses in this episode are his own and do not represent the views of DHS or the U.S. government.To access bonus episodes and listen to Throughline sponsor-free, subscribe to Throughline+ via Apple Podcasts or at plus.npr.org/throughline.

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The Israeli government recently approved a new settlement project in the occupied West Bank that would effectively cut it in half. The plan is illegal under international law and has been widely condemned. To get a sense of why settlements continue to be such a big issue for both Palestinians and Israelis, we wanted to bring you this episode about their history that’s part of our series, "The Cycle." This episode originally published in October 2024.

Guests:
Khaled El-Gindy, senior fellow at the Middle East Institute in Washington, D.C.

Sara Yael Hirschhorn, author of City on a Hilltop, American Jews and the Israeli Settler Movement

Gideon Aran, former anthropology and sociology professor at the Hebrew University in Jerusalem

Avi Shlaim, author of The Iron Wall: Israel and the Arab World

Diana Buttu, former spokesperson for the Palestine Liberation Organization

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A History of Settlements

Throughline associate producer Anya Steinberg talks to supervising senior editor Julie Caine about her reporting trip to Owens Valley in northeastern California for the episode, "Water in the West," about the creation of—and controversy over—the Los Angeles aqueduct.

This normally would be a bonus episode just for Throughline+ listeners. With this being the season of giving, we're sharing this one with everyone! To access all of Throughline's bonus episodes, listen to every episode sponsor-free, and support public radio, sign up for Throughline+ at plus.npr.org/throughline

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Going to the Source of L.A.'s Water

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