
Endless Thread
Hosts Ben Brock Johnson and Amory Sivertson dig into the internet's vast and curious ecosystem of online communities to find untold histories, unsolved mysteries, and other jaw-dropping stories online and IRL.
Latest episodes

Jul 15, 2022 • 39min
Swedengate
When a Redditor said that he was expected to stay in his Swedish friend's bedroom while the friend ate dinner with his family, the internet exploded with hot takes. Is Sweden the most inhospitable country in the world? We talk to the individuals at the center of the Swedengate saga, including the OP himself. We also delve into how questioning cultural norms can shed light on Sweden's reckoning with nationalism, racism, and xenophobia.
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Credits: This episode was written and produced by Amory Siverston. Mixing and sound design by Matt Reed. Ben Brock Johnson and Amory Sivertson are the co-hosts.

Jul 8, 2022 • 36min
Encore: Tight Squeeze
You might not think about caves in the same breath as you do the deep ocean or outer space, but you probably should. There are approximately 70,000 caves in the United States alone, but the vast majority are inaccessible to the public. That means rare, delicate ecosystems have developed for tens of thousands of years in complete isolation from human contact. That is, until cavers travel deep underground through impossibly small spaces to find them. Join the Endless Thread team as we dive into the claustrophobia-inducing world of caving. This episode was originally published on September 4, 2020.

Jul 1, 2022 • 29min
Aunties
Reddit's Auntie Network, an online community "dedicated to providing information and resources to those in need of abortion services," has been inundated with new members since the Supreme Court's decision to overturn Roe v. Wade was leaked in early May. Community members can offer rides, lodging, and emotional support for anyone seeking an abortion — especially when crossing state lines.
In today’s episode, we hear from two moderators of Auntie Network, as well as the executive directors of the Blue Ridge Abortion Fund in Virginia and the Kentucky Health Justice Network, about how abortion rights advocates — online and off — can work together in a post-Roe America.
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Credits: This episode was written by Amory Sivertson and produced by Grace Tatter. Mixing and sound design by Matt Reed. Ben Brock Johnson and Amory Sivertson are the co-hosts.

Jun 24, 2022 • 39min
The Loudest Sound
Imagine if an explosion in California was so loud that it could be heard in New York City. This is the story of a real event that was just as loud — the loudest sound ever recorded in human history.
This sound ripped across oceans in 1883, reaching people 3,000 miles away. Infrasonic pressure waves circled the globe four times. News of its destruction traveled through the early internet, the telegraph system, and altered the course of scientific history.
In this episode of Endless Thread, we recreate this magnum opus — a hotly debated darling of Reddit — with the help of scholars and infrasonic scientists.
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Credits: This episode was written by Ben Brock Johnson and produced by Dean Russell. Mixing and sound design by Paul Vaitkus. Ben Brock Johnson and Dean Russell are the co-hosts.

Jun 17, 2022 • 29min
Encore: Giddyup! Riding Groups Tap Into Long History Of Black Cowboys
In the summer of 2020, images of Black men and women riding horses at protests went viral. But the history of Black cowboys goes all the way back to the creation of the American West. In this encore episode, the Endless Thread team digs into this history in honor of Juneteenth. We also hear from Black riders who are carrying on this legacy. This episode was originally published on July 10, 2020.

Jun 10, 2022 • 20min
Lost in Translation
From a seriously violent tale on Duolingo to a Reddit post about a life-changing mistake, we bring you two stories on the pitfalls of jumping to conclusions. (Grace Tatter, an Endless Thread producer, is filling in for Ben Brock Johnson as co-host for this episode.)
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Credits: This episode was written and produced by Amory Sivertson and Grace Tatter with help from Megan Cattel. Mixing and sound design by Matt Reed. Amory Sivertson and Grace Tatter are the co-hosts.

Jun 3, 2022 • 39min
TikTok Tics
When Ben hears a rumor about kids "catching" tics from watching too many TikTok videos, we set out to investigate. We hear from neurologists and TikTok influencers to get to the bottom of this so-called "medical mystery".
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Credits: This episode was written and produced by Nora Saks with mixing and sound design by Emily Jankowski. Ben Brock Johnson and Nora Saks (who is filling in for Amory Sivertson) are the co-hosts.

May 27, 2022 • 31min
'He Died in the Goddamn Waiting Room'
With unprecedented hospital staff shortages, COVID-19 has upended the nursing profession. But the r/nursing subreddit offers an online life raft for many in the industry — a place where nurses can speak freely and anonymously about their experiences and the choices they face.
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Credits: This episode was written and produced by Dean Russell with mixing and sound design by Matt Reed. Amory Sivertson and Ben Brock Johnson are the co-hosts.

May 20, 2022 • 25min
When Online Extremism Becomes Offline Violence
On Endless Thread, we talk about the blurring lines between our online and offline worlds. This week, we discuss the role online platforms played in the mass shooting on May 14, 2022, in Buffalo, New York. We also ask experts how content moderation on tech platforms can be managed better in order to prevent violence like this from happening again. (Nora Saks, an Endless Thread producer, is filling in for Amory Sivertson as co-host for this episode.)

May 13, 2022 • 33min
Cyberwitches
Since the dawn of the internet, cyberwitches have traded in their broomsticks and cauldrons for floppy disks and smartphones. This week on Endless Thread, we go into the history of cyberwitches, attend a Zoom ritual, and talk to members of a cyber coven.