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The Journal.

Fertility Inc.: The Embryo Editing Dinner

27 Mar 2026

Transcription

Chapter 1: What is the main topic discussed in this episode?

0.622 - 1.444 Jess

Hey, it's Jess.

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1.704 - 5.771 Ryan Knudson

And Ryan. Tickets for our live show in Los Angeles are on sale now.

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6.152 - 16.01 Jess

Join us Tuesday, April 28th at the El Rey Theater at 8 p.m. There'll be special guests, conversations about the business of Hollywood, and afterwards, we'll stick around to meet you all.

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16.03 - 20.739 Ryan Knudson

Find a link in our show notes to get your tickets before they sell out, which they did very quickly last time.

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21.2 - 21.921 Unknown

See you there!

29.208 - 42.114 Emily Glazer

Let's travel back to the summer. It's late July. We're in the Bay Area in San Francisco at this ultra luxury restaurant called Quince.

44.058 - 49.849 Ryan Knudson

Our colleague Emily Glazer is describing a dinner she learned about a while ago. She talked to some of the people who were there.

50.977 - 61.672 Emily Glazer

There was a whole group of Silicon Valley elite and scientists that were in a private room at the back of this restaurant, which had vintage Finnish furniture.

64.776 - 67.26 Ryan Knudson

At the center of the group was the evening's host.

Chapter 2: What is the embryo editing dinner and who was involved?

146.028 - 150.475 Emily Glazer

You know what? It was actually neither of those. It was we are going to edit an embryo.

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155.664 - 160.031 Ryan Knudson

So one more big picture question before we dig into the details. What's at stake here?

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163.336 - 164.498 Emily Glazer

Life as we know it?

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168.916 - 217.96 Ryan Knudson

Welcome to The Journal, our show about money, business, and power. I'm Ryan Knudson. It's Friday, March 27th. Coming up, one final story from the fringes of the fertility industry. And this one is very fringe. Today, Silicon Valley's quest to genetically engineer a baby When it comes to reproductive technology, we are on the threshold of a new frontier.

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218.021 - 238.613 Ryan Knudson

Today's gene editing techniques allow scientists to cut, edit, and insert DNA with remarkable precision. It's now possible to rewrite a child's genetic code before they're even born. But while this has been technically possible for a while now, it's only known to have been done once, by one scientist.

239.96 - 249.012 Unknown

A Chinese researcher has shaken the international science community. He claims to have created the world's first genetically edited babies.

249.673 - 269.475 Emily Glazer

There is a Chinese scientist named He Zhenkui, who in 2018 claimed to have done embryo editing. He shocked the world with this news that he had produced children genetically altered as embryos to be immune to HIV.

269.995 - 275.602 Unknown

The embryos were then implanted into the mother, and Lulu and Nana were born earlier this month.

277.745 - 284.513 Emily Glazer

As you perhaps could imagine, there were a lot of people that were very upset about this for a wide variety of reasons.

Chapter 3: How does embryo editing work and why is it controversial?

500.883 - 507.892 Ryan Knudson

Yeah, we'll cure some diseases and we'll also get, you know, some taller, more handsome people with full heads of hair.

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508.694 - 520.168 Emily Glazer

Yes. And, you know, they might talk about that more like muscle mass or, you know, stronger hearts. You know, he has made comparisons to the movie Gattaca, the sci-fi classic.

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521.11 - 534.246 Ryan Knudson

First of all, if you haven't seen Gattaca, highly recommend. The movie stars Ethan Hawke, Uma Thurman, and Jude Law. And it's set in a future where embryos are carefully screened and selected to produce the best babies.

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534.732 - 545.057 Unknown

I've taken the liberty of eradicating any potentially prejudicial conditions, premature baldness, myopia, alcoholism and addictive susceptibility, propensity for violence, obesity, etc.

545.118 - 564.885 Ryan Knudson

We didn't want, I mean, diseases, yes, but... Armstrong seems to have taken some inspiration from the movie. In a tweet last April, Armstrong wrote about his vision for an IVF clinic of the future, powered by a combination of technologies that he described as, quote, the Gattaca stack.

566.467 - 569.971 Emily Glazer

He has referenced that. It's out in the open. He's not necessarily trying to hide it.

571.333 - 594.309 Ryan Knudson

Among the tools he envisioned in this Gattaca stack was embryo editing for, quote, disease prevention or enhancement. People who were at that embryo editing dinner told Emily that enhancements were a topic of conversation. And there was also some thinking out loud about strategy, how to introduce embryo editing to the world.

594.369 - 612.816 Emily Glazer

One plan that Brian Armstrong had floated was for a venture to work in secret and then reveal a healthy, genetically engineered baby before the scientific and medical establishment had a chance to object. And it was almost like this leap that was meant to shock the world into acceptance.

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