Superstar astronomer Avi Loeb discusses mysteries surrounding the interstellar space object known as 'Oumuamua, why it could be a probe sent by an alien civilization, and how the scientific community should be more willing to acknowledge and embrace uncertainty.

Bonus: Harvard Astronomer On Why Aliens Aren't Just Science Fiction

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.

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In 2016, followers flocked to an Instagram user purporting to be Miquela Sousa, a 19-year-old Brazilian-American model, singer, and sometimes activist.

For years, no one was quite sure if Miquela was made-up, or to what degree. Was she a model rendered doll-like by filters? An actress? A totally fictional character?

Her ambiguous humanity helped Miquela land lucrative brand partnerships with the likes of BMW and Calvin Klein. But in recent years, interest in her has been slipping. Writer Mercedes Gonzales-Bazan joins Endless Thread to talk about Miquela's mysterious origin story, and what her declining relevance reveals about our current relationship with AI.

You can read Mercedes Gonzales-Bazan's essay, Death of the Artificial Influencer, here.

Credits: This episode was produced by Grace Tatter. Mix and sound design by Emily Jankowski. The host is Ben Brock Johnson.

RIP Lil Miquela

The halls of science, known for prim propriety and careful debate, are feuding. A new theory of gravity challenges Einstein's general relativity, our current understanding of that thing that keeps our feet on the ground. Physicists are upset.

"Cotton gravity"—named in honor of mathematician Émile Cotton, not fluffy flora—was first posited by Japanese researcher Junpei Harada in 2021. The idea, which modifies general relativity and discounts the theory of dark matter, spurred a surprisingly catty argument on arXiv.org, an open-access website for scientific preprints.

Things got nerdy. And hilarious. Endless Thread explains.

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Credits: This episode was written and produced by Dean Russell. Mix and sound design by Emily Jankowski. The hosts are Ben Brock Johnson and Dean Russell.

Nerd Fight

Shaquille O'Neal has some advice: "If you are going to retire, accept it. Enjoy your family," he recently said on The Big Podcast With Shaq. "I made a lot of dumb mistakes to where I lost my family. I don't have anybody."

His statement, directed at retiring NFL star Jason Kelce, raised concern online. "What happened with Shaq?" asked one Reddit user in a popular thread. "I thought he was [a] super nice guy. Why is he all alone?"

The former four-time NBA champion has developed several personas since the Orlando Magic drafted him in 1992. On the court, he was a giant. Online, he became something different. Endless Thread breaks down the many sides of Shaq to answer the question, Is he OK?

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Credits: This episode was written and produced by Ben Brock Johnson with help from Dean Russell. Mix and sound design by Emily Jankowski. The hosts are Amory Sivertson and Ben Brock Johnson.

Shaq Time: Is Shaq OK?

In the second part of Endless Thread's investigation into a ubiquitous online piano academy, we dig into why some people think it's a front to recruit students to the Church of Scientology and track down the man behind the piano himself.

Credits: This episode was written and produced by Grace Tatter with mixing and sound design by Emily Jankowski. Amory Sivertson and Ben Brock Johnson are the co-hosts.

The Music Man, Part 2

You may have seen this ad: A frenetic, wild-haired concert pianist says he can make any newbie a virtuoso in months. Just take his online course for $3,000.

Too good to be true? Redditors thought so. Posts dating back years cried scam. Some went further and claimed his virtual piano academy is a cover to recruit Scientologists.

In Part 1 of "The Music Man," Endless Thread investigates.

Credits: This episode was written and produced by Grace Tatter with mixing and sound design by Emily Jankowski. Amory Sivertson and Ben Brock Johnson are the co-hosts.

Bonus: Harvard Astronomer On Why Aliens Aren't Just Science Fiction

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