In the aftermath of the Civil War's Battle of Shiloh in 1862, something strange happened. Some soldiers' wounds started to glow.  Stranger still, those with glowing wounds seemed to have better rates of survival. In 2001, a teenage Civil War buff embarked on a science project to explain this so-called "Angel's Glow."

Can you have an orgasm from listening to music? Can you legally own more than six dildos in Texas? Endless Thread digs into several sexy questions that have taken over the internet.

Note: This episode may not be suitable for children.

Credits: This episode was produced and hosted by Amory Sivertson and Ben Brock Johnson. Additional production by Dean Russell. Mixing and sound design by Emily Jankowski.

Once upon a time, in a magical land of Oklahoma, fairy Jasmine LaFleur wanted to create a hashtag to unite Black fairies all across the land. And she did.

Since 2021, on the second Saturday of May, Black fairy enthusiasts have united around #BlackFaeDay to show the world that Black fairies are real, and that there's space for them online and off.

In this episode of Endless Thread, we look into #BlackFaeDay, and how important it is to those who celebrate. And what we find isn't a hashtags to riches story, but a fairytale about how the internet can be a place where dreams bigger than your follower count can come true. Producer Quincy Walters also examines what it takes to become a Black fairy.

This week, we have two stories about etymology. What can words teach us about culture, trade, memory, and the world around us? First up, which “orange” came about first: the fruit or the color? We also discuss the history of the term “bucket list” — a saying that is so embedded in our culture, we forget that it was only formally coined 16 years ago.

Do you ever listen to birds singing catchy little melodies and wonder - wait a second, do they know music theory? Can they sing in thirds and fifths? Half steps and whole steps? Do they have perfect pitch?

Amory and Ben fly into r/AskScience to explore the question of whether or not our feathered friends are, indeed, musical in the way we human animals think about the term.

And Ben turns to the subreddit for theories on why our windshields are no longer splattered with bugs.

What if the internet was only available most of the time? This week, Endless Thread presents an episode of Outside/In — a podcast from New Hampshire Public Radio — about a man in Barcelona who is trying to make the material infrastructure behind the internet as visible and low tech as possible, by building a solar-powered website.

In the days after the 2013 Boston bombing, an online hunt for the perpetrators falsely accused Brown University student Sunil Tripathi. Police later discovered that Tripathi, who had been showing signs of depression, had died by suicide.

Endless Thread revisits his story — one of family and mental health — on the 10th anniversary with documentarian Neal Broffman and Tripathi's sister, Sangeeta Tripathi.

Editor’s note: This story mentions suicide. You can reach the Suicide and Crisis Lifeline toll-free by calling or texting 988.

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Our intrepid sound designer, Matt Reed — musician/composer extraordinaire —recently became a dad. He picked up a Glo Worm for his baby son, Sam. It's a plush musical baby toy made by Hasbro that's been around for decades. It plays standard, well-known lullabies like "Twinkle, Twinkle Little Star," "Frère Jacques," etc. "Straight hits," as host Ben Brock Johnson says in this episode. "Straight hits."

But there's one melody on the toy that was a complete unknown to Matt. It's in a minor key, it's slow. Is it creepy? "Yeah, it's definitely got that vibe," Matt says. "Funeral zone."

So, he brought this idea to Endless Thread's pitch meetings where we throw around episode ideas.

"I turn to the internet like most weirdos do, I guess, when they're obsessing over their child's toy to figure out what song it is," Matt says. "And there's other people on the Internet who are also... curious? Confused?"

There are two Reddit posts about this creepy music, a YouTube video, several unhelpful emails from Hasbro to concerned parents, and numerous guesses and theories.

"We were concerned by the addition of an unlisted song too," writes YouTuber deefrontier5798. "It's creepy and sad, and the fact that the creators withheld information puts up a red flag."

In this episode, we ask Hasbro directly and try alternate routes. Sometimes Endless Thread doesn't get to the complete bottom of Internet mysteries. But this isn't one of those times.

We hope you like nursery rhymes. :)

What do livable and walkable urban environments have to do with "the real life Hunger Games"? And why are people in Oxford, England and elsewhere coming out in droves to protest seemingly innocuous traffic restrictions?

On this episode of Endless Thread, co-hosts Ben Brock Johnson and Amory Sivertson explore one of the strangest conspiracy theories circulating today: the 15-minute city.

On a sunny day in March 2020, researchers in South Africa discovered the bodies of two giraffes. From what they could tell, the giraffes had died a few days earlier. But the cause was a mystery. To understand what happened, producer Dean Russell turned to the subreddit AskScience. He discusses his findings with Endless Thread co-hosts Amory Sivertson and Ben Brock Johnson.

Credits: This episode was written and produced by Dean Russell. Mixing and sound design by Matt Reed. Amory Sivertson and Ben Brock Johnson are the co-hosts.