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.

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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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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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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. 

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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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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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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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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.)

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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.

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From a young age, "Andy" wanted to be a police officer.

But in 2021, after 15 years on the job, he quit. Andy wrote about his decision in the r/OffMyChest community on Reddit — a choice that left him  "half-heartbroken and half-relieved".

In this episode, Andy talks about the ethical dilemmas that led him to leave law enforcement for good.

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